Biology MCQs Test

Biology  MCQS

1. which of the following plants is rich in atropine drug
a. datura
b. red pepper
c. petunia
d. nicotiana tobacum

2. how many carbon atoms are there in a molecule  of Ribulose biphospahte?
a. three
b. four

c. five
d. six

3. which one of the following is an ornamental plant?
a. physalis
b. melangena
c. atropa
d. petunia
4. plant donot store carbohydrates as glucose because it is
a. attracts insect herbivores
b. dissolves in water thereby altering the osmotic balance
c. is an unstable molecule
d. would replace ribose in DNA replication
5. which of the following organisms are involed in the spreading of cholera and hepatitis?
a. house fly
b. mosquito
c. tse tse
d. locust
6. which one is not true for grade radiate?
a. radially symmetry
b. diploblastic
c. coelomate

d. body with single opening
7. which one of the following round worm is cosmopolitan?
a. hook worm
b. pin worm
c. thread worm
d. fillaria
8. taenia  is an endoparasite of human cattle and pig that completes its life cycle in two hosts the intermediate host is the
a. snail
b.sheep & man
c. sheep
d. pig & cattle


9. which one of the following groups of animals are acoclomste?
a. nematode
b. flat worms
c. cnidarians
d. aschelminthes
10. the genus rabditis contains "enterobius  vermicularis" which is commonly known as
a. pin worm
b. thread worm
c. hook worm
d. round worm
11. coelom is cavity present b/w body wall & alimentry canal and is lined by
a. ectoderm
b. endoderm
c. mesoderm
d. choanoderm
12. proglottids are related to which of the fpllowing animals?
a. fasiola
b. schistosoma
c. dugesia
d. taenia
13. protandrous mode of sexual is found in
a. aurelia
b. sponges
c. hydra
d. obelia
14. n which of the following flat worms the digestive system is absent?
a. tape worms
b. liver fluke
c. hydra
d. blood fluke
15. the name cnidaria has been given to this group of animals due to the presence of special cells called
a. nematocysts
b. cnidocytes
c. pinachocytes
d. choanocytes
16. in which group of animal phyla alternation of generation is present
a. coelenterate
b. nematodes
c. aschelminthes
d. parazoa
17. pseudocoelom of round worms consists of a number of vacuolated cells filled with a protein rich fluid that devolpes high
a. osmotic pressure
b. partial pressure
c. hydrostatic pressure
d. diffusion pressure
18. many colonial coelenterates such as "Corals" produce a hard exoskeleton composed of
a. sodium carbonate
b. calcium carbonate
c. calcium phosphate
d. silicon dioxide
19. in flat worms the excretory system consists of branching tubes ending in bulb like cells called
a. glomerulus
b. nephrostome
c. flame cells
d. nephridia
20. in multicellular organisms the integumentary and nervous system develop from
a. mesoderm
b. archenteron
c. endoderm
d. ectoderm
21. in sponges the inner body layer is made of special flagellated collar cells called
a. pinachocytes
b. choanocytes
c. gelatinous mesenchyma
d. amoeboid cells
22. acyclostoma dueodenela a parasite of human small intestine is commonly known as
a. hook worm
b. pin worm
c. thread worm
d. guinae worm
23. which one of the following parasitic flat worm lives in the bile duct of its host
a. taenia worm
b. dugesia
c. fasiola hepatica
d. tape worm
24. in asymmetrical parazoa the skeleton is in the form of variously shaped needle like structure called
a. calcareous shell
b. spicules
c. siliceous shell
d. keratinized shell
25. in hydra alternation  of generation  is absent and it exist only in
a. medusae form
b. conozoid form
c. gastrozoid form
d. polyps form
26. the stony mass of living coelenterate is called
a. corals
b. coral leef
c. polyps
d. medrepora
27. the bark which of the following plants are used in tanning industry
a. bauhinia verigata
b. tamarindus indica
c. cassia senna
d. both a & b