7. Write only the correct answer in the answer book.Donot reproduce the question.
1. Coelom is the body cavity originating from
a) ectoderm
b) mesoderm
c) endoderm
d) none of these
b) mesoderm
2. Cytopharynx is the structure present in
a) Amoeba
b) paramecium
c) Euglena
d)foraminifers
e) none of these
b) paramecium
3. Gemmules are the reproductive structures produced in
a) sponges
b) Annelids
c) Arthropods
d) coelentrates
a) sponges
4. Comb plates are very specific structures of
a) coelenterates
b) Arthropoda
c) ctenophora
d) none of these
c) ctenophora
5. Nerve net is present in coelenterates at
a) in endodermis
b) below upper epidermis
c) in mesoglea
d) not present in coelentrates
b) below upper epidermis
6. Circulatory system in insects is
a) Closed type
b) open type
c) lymphic type
d) All of these
b) open type
7. Silk is produced by silkworm
a) larva
b) adult
c) pupa
d) All of these
a) larva
8. The basic function of a flame cell is
a) excretion
b) osmoregulation
c) digestion
d) none of these
a) excretion
9. The scale in fishes are
a) ectodermal
b) endodermal
c) mesodermal
d) different in different fishes
c) mesodermal
10. The neck of a camel has vertebras:
a) 14
b) 9
c) 7
d) 20
e) none of these
c) 7
11. Spiders are Arachnids and they have legs
a) 6
b) 8
c) 9
d) none of these
b) 8
12. Gill slits in chordates are present in
a) mouth
b) pharynx
c) oesophagus
d) All of these
b) pharynx
13. Birds are flying and have ovaries
a) one on right side
b) both on right and left side
c) one on any side
d) one on left side
d) one on left side
14. Adult echinoderm has symmetry
a) Bilateral
b) radial
c) both a and b
d) none of these
b) radial
15. The typical characters of all mammals is
a) mammary glands
b) brain
c) hair
d) All of these
d) All of these
16. Mouth in shark is located
a) dorsal
b) ventral
c) anterior end
d) none of these
b) ventral
17. The number of ribs in frog are
a) 4
b) 6
c) 8
d) none of these
d) none of these
18. Earth worm are dissected from side
a) Dorsal
b) ventral
c) both a and b
d) lateral
a) Dorsal
19. Duck billed platypus is a
a) Bird
b) placental mammal
c) monotreme
d) Marsupial
c) monotreme
20. Silver fish is a member of
a) pisces
b) insects
c) echinodermata
d) none of these
b) insects
Paper II
8. Write only the correct answer in the answer book.Donot reproduce the question
1. The chemical composition of a chromosome is :
a) lipoprotein
b) polysaccharide
c) nucleoprotein
d) None of these
c) nucleoprotein
2. Lysosomes are responsible for:
a) Protein
b) ATP formation
c) intracellular breakdown
d) None of these
c) intracellular breakdown
3. Ribosomes are located on:
a) cell membrane
b) rough endoplasmic reticulum
c) mitochondria
d) nuclear membrane
e) None of these
b) rough endoplasmic reticulum
4. The metaphase chromosomes are thick because these
a) multiply
b) duplicate
c) coiled coiling
d) none of these
c) coiled coiling
5. Glycolysis occur in
a) cytoplasm
b) mitochondria
c) cell membrane
d) all of these
a) cytoplasm
6. Nerves convey the message in the form of
a) physical impulse
b) chemical impulse
c) electrical impulse
d) none of these
c) electrical impulse
7. Follicle stimulating hormone is produced in:
a) ovary
b) pituitary
c) hypothalamus
d) all of these
b) pituitary
8. The primary excretory product is
a) Ammonia
b) Carbon dioxide
c) feaces
d) none of these
a) Ammonia
9. Pepsin is responsible for digestion of:
a) carbohydrate
b) lipid
c) protein
d) all of these
c) protein
10. XXY individual in men is phenotypically
a) male
b) female
c) intersex
d) none of these
a) male
11. Sex linked genes are located on :
a) only on X chromosome
b) only on Y chromosome
c) sex chromosome
d) All of these
a) only on X chromosome
12. Mendelian segregation is applicable to :
a) gametogenesis
b) meiosis
c) spore formation
d) none of these
a) gametogenesis
13. the number of the alleles of a gene in a diploid individual is:
a) any number
b) one
c) two
d) three
b) one
14. The gene mapping is measured in:
a) Millimeters
b) microns
c) Angstrom
d) centimorgans
d) centimorgans
15. Genetic dominance concerns with the phenotypic expression in:
a) heterozygous
b) homozygous
c) both a and b
d) none of these
a) heterozygous
16. The first living organism was
a) Algal cell
b) virus
c) bacteria
d) none of these
c) bacteria
17. Enzymes are chemically
a) carbohydrates
b) lipids
c) lipoproteins
d) proteins
d) proteins
18. Theory of natural selection was initially proposed by:
a) Darwin
b) Wallace
c) both Darwin and Wallace
d) Eyll
a) Darwin
19. Second law of thermodynamics demand
a) energy stability
b) energy loss during transfer of energy
c) Energy flow from one form to Another
d) none of these
b) energy loss during transfer of energy
20. The basic purpose of ecosystem is
a) maintenance of organisms
b) energy flow
c) chemical movements
d) none of these
b) energy flow