15 Homeostasis
Multiple Choice Questions
The incidence of calcium
phosphate stones in kidney: L10
A) 10% B)
15% C) 20% D) 30%
Which of the following part
of plant is excretophore? L10
A) Stem B)
Roots C) Leaves D) Flowers
Reptiles are included in: G10
A) Homeotherms B)
Endotherm
C) Ectotherm D) Hetrotherms
C) Ectotherm D) Hetrotherms
Metabolism of purine and pyrimidineproduces
significance amount of: G10
A)Creatinin B)Creatine
C)Xanthin D)Trimethylamine oxide
C)Xanthin D)Trimethylamine oxide
Animals excreting ammonia
are called: L11
A)Ureotelic B)Uricotelic
C)Ammonotelic D)Excretotelic
C)Ammonotelic D)Excretotelic
Earthworm has tubular
excretory system called: L11
A)Prenephredia B)Protonephredia
C)Mesonephredia D)Metanephredia
C)Mesonephredia D)Metanephredia
Excretory product that
requires minimum loss of water for its removal is ___________. G11
A)Urea B)Uric
Acid C)Creatinin D)Ammonia
_______ is mesophyte plant G11
A) Cacti B)
Hydrilla C) Brassica D) Kikar
Major homeostatic function
of liver is storage of: L12
A) Bile B)
Cholesterol C) Urea D) Iron
Bats do not regulate their
body temperature in narrow range is: L12
A) Endotherm B) Homeotherm
C) Heterotherm D) Poikilotherm
C) Heterotherm D) Poikilotherm
Fishes retain which of the
following chemical to be protected against urea? L12
A) Allantoin B)
Creatine
C) Xanthin D) Trimethylamine oxide
C) Xanthin D) Trimethylamine oxide
Glomerulus circulate blood
through capsule as it arrives through: L12
A) Vasa recta B)
PeritubularCapillaries
C) Afferent Arterioles D) Efferent Arterioles
C) Afferent Arterioles D) Efferent Arterioles
Uric Acid is produced from: G12
A) Amino Acid B) Nucleic Acid
C) Fatty Acid D) Proteins
C) Fatty Acid D) Proteins
The structural and
functional relationship between excretory and nutritive system is present in: G12
A) Planaria B)
Earthworm C) Cnidaria D) Insects
Short Questions
Define anhydrobiosis with an
example. G09L12
Differentiate between
ectotherm and endotherm. L09 G12
Differentiate between
hypertonic and hypotonic environment. L10
What are osmoregulators? L11
G12
Differentiate between
osmoconformers and osmoregulators.
L08 L12
L08 L12
Differentiate between
osmoregulation and thermoregulation. G09
Differentiate between ureter
and urethra. L09
Differentiate between
xerophyte and mesophyte plants.
L12
L12
Distinguish between
proto-nephredium and meta-nephredium. G11
Explain about dialysis. G11
How peritoneal dialysis is
done? G08
What is hemodialysis? G12
Explain pyrexia. L08
G09
Explain the term
Homeostasis. G08G10
L11
Define homeostasis. Give its
importance. L13
Give the structural formula
of urea and uric acid. L10L12
How the most plants have adapted
to survive in heat stress?
G10
G10
Illustrate function of
Malpighian tubules. L10
What are poikilotherms? Give
an example. L12
What are the differences
between ammonotelicand Uricotelic animals? L08
Explain the process of
panting with example. L13
What is ADH? How does it
function? L13
What role do hormones play
in human kidney? G08
What techniques are used to
remove kidney stones? L09
Explain the role of
contractile vacuole. G10
Why leaves are said to be
excretophores? G12 L11
Long Questions
Describe structure and
function of urinary system with special reference to nephron. G09 L12
Describe the osmoregulation
in terrestrial environment. L11
Describe various kidney
problems and their cures L08
Discuss kidney problems in
humans. L10
Discuss the nature of
excretory products in animals to various habitats, specifically associated with
water availability. L09 G10
Explain osmoregulation in
marine animals. G12
Explain thermoregulations in
mammals. G11
Write a detail note on
excretion in plants. G08
L12
What is excretion? How do
plants excrete their wastes? L13
16 Support & Movement
Multiple Choice Questions
The protein filament which
binds calcium: L10
A) Actin B)
Myosin C) Troponin D) Tropomyosin
Which one of the following
is plantigrade? L10
A) Rabbit B)
Monkey C) Horse D) Goat
Twisting around the actin
chain there are two strands of another protein: G10
A) Myosin B)
Tropomyosin C) Troponin D) Creatinine
The heartwood accumulates
the chemicals: G10
A) Cellulose B)
Abscisins C) Chitin D) Resins
Spontaneous movements due to
internal causes are called: L11
A) Autonomic B)
Paratonic C) Tactic D) Tropic
The fusion of four posterior
pelvic vertebrae is ______ L11
A) Cervical B)
Coccyx C) Lumber D) Sacrum
Cambium is an example of: G11
A) Apical meristem B) Inter calary Meristem
C) Lateral Meristem D) Apex
C) Lateral Meristem D) Apex
Fibers, Sclereids and vessels
are three types of _______ G11
A) Collenchyma B)
Sclerenchyma
C) Parenchyma D) Cambium
C) Parenchyma D) Cambium
Bone dissolving cells are
called: G11
A)
Osteoblasts B)
Stem cells C) Osteocytes D) Osteoclasts
A bone which connect scapula
with sternum: L12
A) Humerus B)
Ischium C) Pubis D) Clavicle
Action of venous fly trap is
an example of: L12
A) Nyctinasty B)
Haptonasty C) Hyponasty D) Photonasty
Which of these are long,
Cylindrical and exist as bundle caps? L12
A) Sclereids B)
Vessels C) Trachea D) Tracheids
Leaves go to sleep position
when turgor pressure decreases in the lower side of: L12
A) Pelvis B)
Pulvinus C) Callus D) Pubis
Cork cambium is an example
of: L12
A) Lateral meristem B) Apical meristem
C) Intercalary meristem D) Bud primodia
C) Intercalary meristem D) Bud primodia
Cramp is also known as: G12
A) Tetany B) Tetanic
contraction
C) Tetanus D) Muscle fatigue
C) Tetanus D) Muscle fatigue
An increase in plant girth
due to activity of vascular cambium is called: G12
A) Primary growth B) Open growth
C) Secondary growth D) Tertiary growth
C) Secondary growth D) Tertiary growth
Short Questions
Characterize collenchyma
cells. L11
L12
Define the process of
ecdysis. L12
Differentiate between
epinasty and hyponasty. G10
Differentiate between
passive flight and active flight. L12 L13
Differentiate between
phototactic movements and phototropism. L08
Differentiate between
primary and secondary growth in plants. G11
Explain hematoma formation. L10
G12
Explain the role of
exoskeleton in arthropods G10
Give two roles of vascular
cambium. L11
L12
How digitigrade differ from
unguligrade? L09
How do sleep movements in
plants take place? L08
How muscle fatigue is
produced? G08
What are galls and calluses? L09
What are joints describes
their types. L12
What are the characteristics
of smooth muscles? G10
What do you know about
rickets? G11
What is rickets? Give its
causes and cure. L13
What is a secondary growth? G09
What is axial skeleton? L12
What is cartilage? G11
Discuss two main types of
cartilage. L13
What is differencebetween
ligament and tendon? L09
What is herniation of disc? L08 L10 L11 G12
What is passive flight? G08
What is sciatica and its
causes. L09
What is the cause of
tetanus? G09
What is turgor pressure? G11
Write about two types of
nastic movements. L12
Write difference between
tetanus and muscular tetany. G12
Long Questions
Describe paratonic movements
in plants. G11
Describe the contraction of
sarcomere as initiated by nerve impulse. G10
Explain the role of Ca++
ions in sliding filament model. L10
Give an account of structure
of skeletal muscle fiber. G12
How energy is provided for
muscle contraction? L12
What is the structure of a
bone and how does repair of broken bones take place? G08
Write down the mechanism of
muscle contraction. L11
What are joints? Give their
types. L12
Explain about exoskeleton in
arthropods. L13
17 Control & Coordination
Multiple Choice Questions
Match diabetes insipidus
with one of the following? L10
A) Oxytocin B)
Vessopressin C) Insulin D) Glucagon
Kohler used Chimpanzee to
prove: L10
A) Habituation B)
Imprinting
C) Latent Learning D) Insight Learning
C) Latent Learning D) Insight Learning
The corpuscles situated quiet
deep inside the body is: G10
A) Meissner’s B)
Pacinian’s
C) Nissle’s D) White Blood Cells
C) Nissle’s D) White Blood Cells
The simplest form of
learning is: G10
A) Imprinting B) Habituation
C) Insight Learning D) Latent Learning
C) Insight Learning D) Latent Learning
The hormone secreted by
mucosa of the pyloric region of the stomach is: L11
A) Gastrin B)
Secretin C) Estrogen D) Progesterone
The type of learning involve
diminution of response with repeated stimuli: G11
A) Imprinting B)
Habituation
C) Latent Learning D) Insight Learning
C) Latent Learning D) Insight Learning
Gastrin is hormone produced
by: G11
A) Adrenal B)
Pancrease C) Gut D) Liver
_________ is applied to
rubber plant to stimulate flow of latex. L12
A) Abcisic Acid B) Gibberellin C) Ethene D) Auxin
Which one of the following
produce in excess then leads abnormal development called acromegaly? L12
A) TSH B)
ACTH C) MSH D) STH
Rodents respond to alarm
calls by others in their group is an example of behavior: L12
A) Imprinting B)
Habituation
C) Conditioning D) Latent learning
C) Conditioning D) Latent learning
Nociceptors produce the
sensation of: G12
A) Touch B)
Warmth C) Pressure D) Pain
Vassopressin (Antidiuretic
hormone) and oxytocin are: G12
A) Proteins B)
Aminoacid and Derivatives
C) Polypeptides D) Steroids
C) Polypeptides D) Steroids
Short Questions
Define circadian rhythms. G09
Define saltatoryimpulse and
synapse. L11
Define the term hormone.
Give one example. L12
Differentiate between CNS
and PNS. L12
Differentiate between
instinctive behavior and learning behavior. G10
Discuss the role of two
hormones produced by gut. G12
Explain effectors with an
example. G12
Explain reflex arc. L12
Give a detail account of
synapse? G12
Give effect of nicotine on
blood vascular system and nervous system in man. L11
Give similarities between
nervous and chemical coordination. G10
Give the role of oxytocin? G11
Give two similarities
between nervous and chemical coordination. G11
How axons differ from
dendrons? L10
Name a synthetic auxin used
as a selective weed killer G12
Name the two hormones of
gut. L10
What are androgens? G10
What are axons and
dendrites? L09
What are commercial
applications of Gibberellin? L11
What are functions of
parathyroid glands? G12
What are the commercial
applications of Ethene? G08 G11
What are the effects of low
and high concentration of parathormone? L08
What are gastrin and
secretin? L13
Write symptoms of
Alzheimer’s disease. L13
What is epilepsy? L09
L12
What is imprinting? L10
L12 L08
What is meant by circadian
rhythm? G08
What is meant by resting
membrane potential? G11
What is parasympathetic
nervous system? G09 G08
What is Parkinson’s disease? L12
What results in biorhythms? L08
Write down the commercial
applications of cytokinins. G09
Long Questions
Comparethe nervous system of
hydra and planaria. L12
Describe the role of auxins. L12a
L12b
Describe the roles and
commercial applications of gibberellins. L10
Discuss pituitary as an
endocrine gland. G10
Discuss the important
factors which are involved in changing the resting membrane potential to active
membrane potential. L09 G11
Discuss the structural and
functional applications of auxins. G09
How nerve impulse pass from
one neuron to another neuron
G10
G10
Write brief note on
conditioned reflex type I L11
Write detailed account of
synapse. G12
18 Reproduction
Multiple Choice Questions
The first convoluted part of
vas deferense is called: L10
A) Epididymis B) Penis
C) Scrotum D) Sperm
C) Scrotum D) Sperm
When will you call embryo as
fetus? L10
A) After two months B) After three months
C) After four months D) After five months
C) After four months D) After five months
When the sperms are in the
tubules then protection and nourishment is provided by: G10
A) Sertoli Cells B) Interstitial Cells
C) Epididymis D) Seminiferous Tubules
C) Epididymis D) Seminiferous Tubules
The ovary under the
influence of FSH also produces a hormone i.e.: G10
A) Progesteron B)
Estrogen
C) Oxytocin D) Corticosteroids
C) Oxytocin D) Corticosteroids
Which hormone in male
stimulates interstitial cells of testis to secrete testosterone: L11
A) TSH B)
FSH C) ICSH D) LH
Corpus leuteum secretes a
hormone called: L11
A) Estrogen B)
Progesterone
C) Oxytocin D) Testosterone
C) Oxytocin D) Testosterone
In human female the
discharge of blood and cell debris called: L11
A) Ovulation B)
Abortion
C) Menstruation D) Secretion
C) Menstruation D) Secretion
The duration of gestation
period in human female is usually:
G11
G11
A) 250 days B)
260 days C) 270 days D) 280 days
A light sensitive pigment is
plant cell: G11
A) Cytochrome B)
Phytochrome
C) Photochrome D) Auxin
C) Photochrome D) Auxin
Ovaviviparityis shown by: L12
A) Reptile B)
Bird
C) Duck bill platypus D) Humans
C) Duck bill platypus D) Humans
Which one secretes liquid to
protect and nourish sperm cells? L12
A) Corpus leuteum B) Sertoli cells
C) Placenta D) Epididymis
C) Placenta D) Epididymis
Which is not a stimulus to
release oxytocin? L12
A) Distention of cervix
B) Decrease in progesterone level
C) Neural stimulus during parturition
D) High level of Calcium ions
B) Decrease in progesterone level
C) Neural stimulus during parturition
D) High level of Calcium ions
Example of day neutral plant
is: L12
A) Tomato B)
Soya bean
C) Xanthium D) Chrysanthemum
C) Xanthium D) Chrysanthemum
Corpus leuteum secrete a
hormone called: L12
A) FSH B)
LH C) Progesterone D) Estrogen
Reptile and birds are: G12
A) Viviparous B)
Oviparous
C) Ovaviviparous D) Marsupial
C) Ovaviviparous D) Marsupial
In nature P730 to P660
conversion occur in the: G12
A) Day B)
Red Light C) Dark D) Dawn
Which of the following is
not a stimulus to release oxytocin?
L12
L12
A) Distension of cervix
B) Decrease in progesterone level
C) Neural stimulus during parturition
D) High level of calcium ions
B) Decrease in progesterone level
C) Neural stimulus during parturition
D) High level of calcium ions
Short Questions
Define photoperiodism. G11
Define vernalisation. L12
Differentiate between
oviparous and viviparous animals.
L08 G09
L08 G09
Differentiate placenta from
after birth. G10
Explain apomixes. G09
Explain menopause and after
birth. L12
Explain the disease genital
herpes G08
Explain the disease
gonorrhoea. G09
Give importance of
photoperiodism in plants. L11
How estrous cycle differs
from menstrual cycle? L11
How identical twins differ
from fraternal twin? L10 L13
How implantation differs
from gestation? G10
How lactation differ from
gestation? L10
What are identical twins? G08
What are ovaviviparous? Give
an example. L12
What are phytochromes? G12
What are spermatophytes? G10
What are test-tube babies? L09
What is climacteric? Also
give its role. L11
What is difference between
oogenesis and spermatogenesis in humans? G12
What is diplohaplontic life
cycle in plants? L12
What is diploid
parthenogenesis? G11
L12
What is meant by cloning? L10
What is ovaviviparous
condition? L09
What is parthenocarpy and
how it artificially introduced. L11
What is parthenocarpy? L10
L11
What is the role of placenta
in man? L08
What is tissue culturing? G08
Name the types of plants on
the basis of photoperiodism.
L13
L13
Write down at least two
possible ways to prevent AIDS. L13
Long Questions
Describe menstrual cycle in
human female. L11
Describe sexually
transmitted diseases. L10
Describe the reproductive
system of males. G11 L12
Differentiate between sexual
and asexual reproduction and also describe the human female reproductive cycle. G08
Discuss the effect of
quality of light on photoperiodism. G12
Discuss the process of birth
in human female. L10
Explain the process of
cloning. Discuss its advantages and issues. G10
Give a comprehensive
comparison between sexual and asexual reproduction. L12
What are main functions of
placenta during pregnancy? L09
19 Growth & Development
Multiple Choice Questions
The larval epidermis is
formed from: L10
A) Clear Cytoplasm B) Yellow Cytoplasm
C) Gray Vegital Cytoplasm D) Gray Equatorial Cytoplasm
C) Gray Vegital Cytoplasm D) Gray Equatorial Cytoplasm
In plants elongation of
cells is favored by: G10,
G12
A) Infrared Light B) Red Light
C) Blue Light D) Ultraviolet light
C) Blue Light D) Ultraviolet light
Cleavage results in the
formation of rounded closely packed mass of blastomeres called: L11
A) Blastula B)
Morulla C) Gastrula D) Neurula
Somites are formed and
organized by: L12
A) Ectoderm B)
Mesoderm C) Endoderm D) Blastoderm
Short Questions
Define correlation and
differentiation G10
Define regeneration? L11
Describe gastrulation in
chick. L13
Define meristem. Give its
types on the basis of position. L13
Describe regeneration in
planaria? G09
Differentiate between growth
and development. L10
Differentiate between
somatic and splanchnic mesoderm. L12
Explain embryonic
development. G08
Explain primary induction. G08
Give role of grey vegetal
and grey equatorial cytoplasm. L12
How aging can be slowed
down? G10
How area opaca differs from
area pellucida? G10, G12
How primitive streak is
formed in chick embryo? L08
List some symptoms of aging. G11
What do you know about
intercalary meristems? G09
What is growth? Mention its
types. G12
What is open growth?
Discuss. L11,
L12
What is primary organizer
and inducer substance? L09 L13
What is present goal of
gerontology? L10
What is the difference
between inhibitory and compensatory effect? L09
What role light plays in
plant growth? G09,
L09
Write about differentiation
of cells. L12
Long Questions
Describe the role of
Abscisic acid and ethene in plant growth. L13
Describe the role of auxins L12
What is aging? Explain this
process. L13
20 Chromosomes & DNA
Multiple Choice Questions
Which one of the following
is stop signal during transcription? L10
A) CA B)
GA C) GC D) TA
Phenylketonuria is well
known example of: G10
A) Deletion B)
Inversion
C) Insertion D) Point mutation
C) Insertion D) Point mutation
In 1882, Chromosomes were
first observed by: G11
A) John Brown B)
T.H. Morgan
C) Walther Fleming D) Walter Sutton
C) Walther Fleming D) Walter Sutton
A gene start with initiation
codon, which encodes the amino acid methionine: L12
A) UAA B)
UAG C) AUG D) UGG
Supporting role in DNA
replication process played by an enzyme called: L12
A) RNA Polymerase
B) Amino acyl tRNAsynthetase
C) DNA polymerase III D) DNA polymerase I
B) Amino acyl tRNAsynthetase
C) DNA polymerase III D) DNA polymerase I
Every 200 nucleotides the
DNA duplex is coiled around the core of 8 histone proteins and forms a complex called: G12
A) Polysome B)
Heterochromtin
C) Nucleosome D) Euchromatin
C) Nucleosome D) Euchromatin
Short Questions
Compare telocentric and
acrocentric chromosomes. G11
Define chromosomal theory of
inheritance. L10
Define nucleosome. L12
Define transcription and how
it is initiated. L10
What is transformation? L11,
G11
Define transformation and
write its role. L08
Differentiate between
chromosomal aberrations and point mutation. L10
Differentiate between
heterochromatin and euchromatin. G11
Differentiate between
transcription and translation. G10
Enlist different shapes of
chromosomes. L12
Enlist non-sense codons and
their functions. L12
Give length of Okazaki
fragments. L12
How do histones and DNA
interact with each other in chromosomes? G10
Mention types of chromosomes
with reference to centromere position. G12
What are constituents of purines? L12
What are mutagens? Give an
example G10
What are Okazaki fragments? L09
What is phosphodiester bond? G09
What is point mutation? Give
example. L12
What is RNA primer? What
role does it play in DNA replication? G09
What is semi-conservative
replication? L08
L09
What is transcription bubble
and how it is formed? G12
Why histones are positively
charged? G09
Why is Erwin Chargaff famous? G12
What is phosphodiesterlinkage?
Draw its structure. L13
Differentiate between
chromosomal aberration and point mutation. L13
Long Question
Describe the work of Beadle
and Tatum on neurospora. G09
Explain how DNA encodes
protein structure? L10
Explain one gene one
polypeptide hypothesis considering work of Beadle and Tatum. L12
What is transcription? How
it occurs? L10,
G11
Write a note on mutation. G12
Write about Meselson and
Stahl experiment to show semi-conservative replication of DNA. L11, L12
Write process of replication
of DNA. G08,
G10
Describe Watson and Crick
model of DNA in detail. L13
21 Cell Cycle
Multiple Choice Questions
Which one is absent in
animal cell: L10
A) Spindle B)
Centriole
C) Chromatids D) Pharagmoplast
C) Chromatids D) Pharagmoplast
The syndrome having trisomy
of chromosome No. 18 is: G10
A) Down’s B)
Patau’s C) Edward D) Jacob’s
The spindle fibers are composed
of RNA and protein called:
G11
G11
A) Insulin B)
Tubulin C) Actin D) Myosin
Individuals with Klinefelter
syndrome have sex chromosomes as following: L12
A) XO B)
XXO C) XXY D) XXXY
Synapsis starts during: L12
A) Leptotene B)
Zygotene C) Pachytene D) Diplotene
The condensation of
chromosomes reaches to its maximum at: L11
A) Leptotene B)
zygotene C) Pachytene D) Diakinesis
The autosomal
non-disjunction in man in which 21st pair of chromosome fails to segregate,
resulting in gamete with 24 Chromosome is called: G12
A) Down syndrome B) Turner Syndrome
C) Klinefelter Syndrome D) Jacob’s Syndrome
C) Klinefelter Syndrome D) Jacob’s Syndrome
Short Questions
Cancer is an uncontrolled
cell division. Explain. L11
Define cell cycle. Draw
eukaryotic cell cycle G12
DefineKinetochore. L08
Describe changes in G1
phase. L11
Differentiate between
apoptosis and necrosis. L09
Differentiate between
autosomes and sex chromosomes. G11
Differentiate between
interphase and mitotic phase. L12
Explain chromosomal
non-disjunction. G08,
G11
Explain cytokinesis in
plant. L10
Explain necrosis. G10,
G11
How can you identify cancer
cells? G09
How does prophase of meiosis
I differ from mitosis? L09
Is interphase a resting
phase? Why? G09
Sketch and label cell cycle. L10
What are symptoms of turner
syndrome? G09
What do you know about
metastasis? G08
What is a mitotic apparatus? G08
What is importance of
bivalent formation? L12
What is metastasis? G10
L09
What is metastasis? Give its
importance. L13
What happens during
metaphase I? L13
How Turner’s syndrome is
caused? Give its features. L13
What is Mongolism? L08
Long Questions
Write a note on interphase. L08
Describe interphase of cell
cycle.
Write an essay on the
importance of mitosis. L09
Describe prophase I of
meiosis in detail. G10,
L11
Give an account of
programmed cell death and its importance in multicellular organisms. G11
Write about necrosis and
apoptosis. L12
Write a note on cancer. G12
22 Variation & Genetics
Multiple Choice Questions
Locus is a: L10
A) Part of DNA B)
Position of gene
C) Partner of gene D) Complement of gene
C) Partner of gene D) Complement of gene
A genome is a full set of
genes of: G10,
L11
A) a cell B)
a tissue
C) an individual D) a population
C) an individual D) a population
Full set of genes of an
individual is called ______ L11
A) gene pool B)
Genome C) Phenotype D) Genotype
The genic system of
determination of sex is present in: G10
A) Ginko B)
Yeast
C) Drosophila D) Protenor bug
C) Drosophila D) Protenor bug
The individual which are universal
recipients have blood group: L11
A) A B)
B C) AB D) O
ABO blood group system was
first discovered in 1901 by: G11
A) Punnet B) Wiener
C) Bernstein D) Landsteiner
C) Bernstein D) Landsteiner
Bobbed gene in Drosophila is
present in: L12
A) X Chromosome B) Y Chromosome
C) Both on X and Y D) Autosome
C) Both on X and Y D) Autosome
Novel phenotype of 4’O clock
plant flower is an example of:
L12
L12
A) Complete Dominance B) Incomplete Dominance
C) Co dominance D) Over Dominance
C) Co dominance D) Over Dominance
The blood serum containing
antibodies is called: G12
A) Antigen B)
Immunoglobulin
C) Plasma D) Antisera
C) Plasma D) Antisera
Short Questions
Compare between epistasis
and pleiotropy. L10
What is pleiotropy? Give
examples. L13
Compare sex limited and sex
influence traits. G10
Define co-dominance. L08
Define crossing over. L08
Define epistasis. L08
Define Mendel’s Law of
independent Assortment. G10, G12
Define linkage group. Give
examples. L12
What are linkage groups?
Give their number in human beings. L13
What are sex chromosomes?
Give example. L13
Define recombination
frequency. Give its importance. L12
Define sex-influenced trait. L08
L09
Differentiate between
dominance and epistasis. L12
Differentiate between
dominant and recessive traits. G08
Differentiate between
homozygous and hemizygous. G08
Differentiate between
homozygous and heterozygous.
L10, G11
L10, G11
Differentiate between
incomplete dominance and co-dominance. G09,
L12
Differentiate between
phenotype and genotype. G12
Discuss over dominance. G11
How can ABO-incompatibility
protect the baby against Rh-incompatibility? G09,
L12
The value of parental
combinations of two linked gene A|B and a|b is 40, 40 and of recombinant genes
A|b and a|B is 10, 10 respectively. Find recombination frequency. L10
What are polygenic traits? G09
What is erythroblastosis? G08
What is gene pool? L08
What is MODY? Write its
causes. G08L08
G12
What is product rule? L08
What is sickle cell anemia? L09
What is SRY gene? G08
What is test cross? Give its
importance. L11, G11, L12
What is test cross? L08,
L09 L11
Long Questions
Describe Mendel’s law of
Segregation with the help of an example. G09
L10 L11
Discuss genetics of ABO
blood group system. L12
Discuss Mendel’s law of
independent assortment. G11
What are polygenes? Explain
polygenic inheritance with examples. G08
What is incomplete
dominance? Explain with example. L12
Write a note on co-dominance
with examples. G12
Write an important note on
multiple alleles. L09
What is epistasis? Explain
it on the basis of Bombay Phenotype. L13
23 Biotechnology
Multiple Choice Questions
The first restriction enzyme
was isolated by: L10
A) Kary Mullis B)
Hamilton C) Sanger D) Maxum
The enzyme luciferase
produce by an insect called: G11
A) Housefly B)
Firefly C) Butterfly D) Tsetse fly
Polyhydroxy butyrate is
called: L12
A) Antithrombin III B) Neutra sweet
C) Biodegradable plastic D) Luciferin
C) Biodegradable plastic D) Luciferin
A balloon catheter is used
in the treatment of: L12
A) SCID B)
Hypercholesteromia
C) Cystic fibrosis D) Closed Artery
C) Cystic fibrosis D) Closed Artery
Commonly used restriction
enzyme is: G12
A) Plasmid B)
pSC101 C) pBR322 D) ECO R1
Short Questions
Define protoplast. G08
Describe the patterns of sex
determination. L10
Differentiate between
ex-vivo and in-vivo gene therapy. L10
Discuss the role of prob. G10
Explain the importance of
gene sequencing. L10
Give three possible ways to
get gene of interest. L12
What are palindromic
sequences? G09
What are possible benefits
of human genome project? G09
What are restriction
enzymes? L08 G08 L09 G10
L11
Explain transgenic organisms. G10
What are transgenic animals? L08,
L09
What are transgenic plants? L11
What does the abbreviation
SCID stand for? G11
What is meant by totipotent? G11
What are molecular carriers
(vectors)? Give examples.
L12, G12
L12, G12
Mention the role of lambda phage
in recombinant DNA technology. L13
What is role of suicide gene
in transgenic bacteria? L13
What is biodegradable
plastic? Give its origin. L13
Long Questions
Write a short note on tissue
culture and cloning. L13
24 Evolution
Multiple Choice Questions
The main reason for
extinction of species is: L10
A) Population B)
Over production
C) Habitat Destruction D) Parasitism
C) Habitat Destruction D) Parasitism
In a population that is in
Hardy Weinberg Equilibrium, 16% individuals show the recessive trait.What is
the frequency of the dominant allele in the population? G10
A) 0.48 B)
0.36 C) 0.84 D) 0.4
Wallace developed the theory
of natural selection essentially identical to: L11
A) Lamarck B)
Linnaeus C) Darwin D) Hutton
According to endosymbiont
hypothesis the aerobic bacteria is developed into: G11
A) Ribosomes B)
Lysosomes
C) Mitochondria D) Golgi apparatus
C) Mitochondria D) Golgi apparatus
Essay on the principle of
population was published by: L12
A) Darwin B)
Wallace C) Linnaeus D) Malthus
Endosymbiont hypothesis was
supported by: L12
A) Cuvier B)
Lyell C) Margulis D) Malthus
Armadillos the Armored
mammals live only in: G12
A) Europe B)
America C) Australia D) Asia
Short Questions
Briefly explain Hardy
Weinberg theorem. G10
Define Hardy Weinberg Theorem.
Give its equation in the form of binomial expansion. L13
Define evolution. G11
Define genetic drift. G08L10L11,
L12
Define Hardy Weinberg
Theorem. L08
Define homologous organs
with examples. G09, L12
Describe the evidences of
evolution from Biogeography and fossil records L08
Differentiate between
homologous organs and analogous organs. L11,
G12
Give the concept of fixed
alleles. L12
Give two measures to protect
endangered species. G09
How biogeography provides
evidence of evolution. L12
Name any four species
declared extinct in Pakistan. G12
What are vestigial organs
give two examples. L09
What are vestigial organs?
Give example. L10, L12
What do you mean by
endosymbiont hypothesis?
G08, G09, L09G12
G08, G09, L09G12
What is difference between
predator and prey? L10
What is function of Eustachian
tube? L10
What is Neo-Darwinism? G11,
L12
Why Galapagos Islands are
famous? G10
Write a brief note on
secondary succession. L12
Enlist the four factors
affecting gene frequency. L13
Write names of theories of
evolution presented by Lamarck and Darwin. L11
Long Questions
Describe different ideas on
evolution from prokaryotes to eukaryotes G10,
L11, G11, L12
Discuss the hardy Weinberg
theorem. G12
Explain theory of
inheritance of acquired characteristics. L10
Write different factors
affecting genetic frequency. L12
25 Ecology
Multiple Choice Questions
An association between fungus
and algae is an example of: _____ G10
A) Parasitism B)
Mycorrhiza
C) Lichens D) Commensalisms
C) Lichens D) Commensalisms
The green photosynthetic
plants which capture and bring light energy into ecosystem are: L11
A) Scavengers B)
Decomposers
C) Consumers D) Producers
C) Consumers D) Producers
A change in community
structure of an ecosystem over a period of time is called: G12
A) Niche B)
Unstable ecosystem
C) Succession D) Pioneer
C) Succession D) Pioneer
Who proposed the term Niche? L12
A) Haeckel B)
Grinnell C) Linnaeus D) Lamarck
In ecosystem, second trophic
level consists of _____ G11
A) Producers B)
Primary Consumers
C) Secondary Consumers D) Tertiary Consumers
C) Secondary Consumers D) Tertiary Consumers
Short Questions
Define a habitat. G08
Define autecology with the
help of an example. G12
Define autecology. G09
Define biogeochemical cycle. L12
Define food chain with
examples. L12
Define food web. G11
Define grazing. L08
Define parasitism and give
its significance. L12
Define synecology. L08
Differentiate between
autecology and synecology. L11 L13
Differentiate between food
chain and food web.
L10 G08, G09, G10
L10 G08, G09, G10
Differentiate between
habitat and niche. L12
Differentiate between
hydrosere and xerosere. L09 G11
Differentiate between
lichens and mychrrhiza. G12
Explain the biotic
components of ecosystem. L12
Give the significance of
predation. L12
What are lichens and
mycorrhizae? G12
What are lichens? L08
What is biosphere? G11
What is commensalism? Give
example. L13
What is grazing? How grazers
affect the texture of the soil?
L10
L10
What is mychorrhiza? L09
L11
What is niche? L11
Write about decomposers. G12
Write brief note on
secondary succession. L12
Write significance of root
nodules bacteria in plants. G10
Long Questions
Define succession and
describe succession on land. L08
Describe Nitrogen Cycle in
detail (with figure).
. L11, G11, L12, G12
. L11, G11, L12, G12
Define xerosere. Describe
its stages. G09
Explain the biotic
components of ecosystem. L11
26 Some Major Ecosystems
Multiple Choice Questions
The plants in deserts: L10
A) Remain Ever Green B) Short Rooted
C) Conserve Water D) Broad Leaves
C) Conserve Water D) Broad Leaves
Savannas are grassland in: G10
A) Temprate Region B) Tropical Region
C) Arctic Region D) Alpine Region
C) Arctic Region D) Alpine Region
The zone where enough light
penetrates to support photosynthesis: L11
A) Littoral B)
Limnetic C) Profundel D) Benthic
Limnetic phytoplankton
includes the: G11
A) Bacteria B) Algae
C) Mosses D) Cyanobacteria
C) Mosses D) Cyanobacteria
Crustaceans with a spiny
projection on these planktonic creatures help to keep them from sinking: L12
A) Porpoise B)
Whale C) Copepod D) Bobcat
A succulent plant has water
stored in tissues: L12
A) Cacti B)
Moss C) Yarrow D) Spruce
Chillas has major
terrestrial ecosystem called: L12
A) Deciduous forests B) Alpine forests
C) Tundra D) Grassland
C) Tundra D) Grassland
In Sindh the desert
ecosystem is called: G12
A) Thal B)
Sahara C) Thar D) Cholistan
Short Questions
Characterize littoral zone
of freshwater lakes. L13
Compare zooplankton with
phytoplankton. L11
Define planktons. Give its
types. G11
Define temperate deciduous
forests. Mention various such forests in Pakistan. G12
Define the productivity of
an ecosystem L08
Describe animal life of
grassland ecosystem. L12
Differentiate between
Zooplankton. L08
Discuss animal life of
temperate deciduous forests. L12
What are alpines and boreal
forests? G09,
L09
What are alpines? G08
What are phytoplanktones?
Give examples. G12
What are renewable and
non-renewable resources? Give examples. G11
What are renewable
resources? L13
What is climate? L09
What is composition of air
in terrestrial ecosystem? L12
What is difference between
climate and weather? L11
What is effect of human
impact on desert ecosystem? L10 L13
What type of animals present
in littoral zones? G10
Write names of different
zones of fresh water lake. G08, G09
Write two adaptations for
terrestrial ecosystem shown by living organisms. L10 L12
Long Questions
Give an account of desert
ecosystem. L08, L09, G10
Write a note on tundra
ecosystem. L13
27 Man and His Environment
Multiple Choice Questions
Which is not a
micronutrient? L10
A) Zinc B)
Iron C) Sulphur D) Iodine
The percentage of land under
cultivation: L10
A) 30% B)
21% C) 11% D) 15%
Lung cancer is due to: G10
A) CFCs B)
Sulfur dioxide
C) Oxides of Nitrogen D) Carbon Monooxide
C) Oxides of Nitrogen D) Carbon Monooxide
Ozone molecule is formed by
the fusion of three atoms of:
L11
L11
A) Carbon B)
Hydrogen C) Nitrogen D) Oxygen
Only 30% of Earth is: G11
A) Land B)
Freshwater
C) Marine Water D) Mountains
C) Marine Water D) Mountains
It is not fossilized fuel: L12
A) Lignite B)
Peat C) Natural gas D) Oil
Which one is involved in
destruction of ozone molecules in ozone layer? L12
A) Sulphur B)
Lead
C) Carbon monoxide D) Chloride
C) Carbon monoxide D) Chloride
Stone monuments like TAJ
MEHAL are being eroded due to “stone cancer” by _____________: G12
A) Acid Rain B)
Green House effect
C) Eutrophication D) Radiation
C) Eutrophication D) Radiation
Short Questions
Define greenhouse effect. L12
L08
Differentiate between health
and disease. L12 G11
Define pollution. L09
Define soil. What are its
basic constituents? L11
Define soil. G08
Describe abuses of land. L12
Differentiate between
deforestation and afforestation. L10
Give importance of solid
wastes. L12
Give the importance of Ozone
layer. G12
Give main causes of water
pollution. L12
Mention any four ways in
which we can save energy. G12
What are renewable and
non-renewable resources?
G09 G12
G09 G12
What are the effects of
ozone depletion on life? L12 G12
What is acid rain? L13
What are two effects of acid
rain? G11
What do you mean by
effluents G08
What is algal bloom? L09
What is composition of air
of pretrial ecosystem? L12
What is stone cancer? Give
its cause. G10
Why forests are called
environmental buffers? G09, G10
Write names of various types
of pollution. L11
Write the effect of bacteria
in eutrophic lakes. G10
Write the reasons for world
population explosion. L10
Write two causes of
greenhouse effect. G11
Long Questions
Briefly explain wildlife and
fossil fuels. G11
Describe ozone layer
depletion. G12
Discuss fossil fuels as
exhaustible source of energy G10
Give uses and misuses of
agrochemicals. L12
Write a note on greenhouse
effects. G09,
L11
Write a note on ozone layer
depletion. L12
Explain deforestation and
afforestation. L13
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