नालंदा ओपन यूनिवर्सटी B.Sc.(Part 1) zoology paper 1 Multiple choice questions

 

नालंदा ओपन यूनिवर्सटी

 B.Sc.(Part 1) zoology  paper 1 

 Multiple choice questions

        topic  phylum chordata

1. The notochord is an elastic rod like structure which extends from the one end of the body to the other end is composed of 

a. Bone

b. Cartilage

C. Vacuolated  cells

d. Bundles of muscle fibres

Ans :- c

2. Nervous system is fully developed in Lava but the same is reduced to solid ganglion in adult of- 

a. Hemichordates

b.  urochordates 

C. cephalochordates

d. vertebrates

Ans :- b

3. Retrogressive metamorphosis is shown by the individuals of - 

a.Hemichorda

b. Urochordata

C.Cephalochordata

d. All of the above

Ans:- b

4. Petromyzon belongs to class- 

a.Ostracodermi

b. Cyclostomata

c. Elasmobranchii

d. Choanicthyes

Ans:- b

5. Larva of Petromyzon is known as- 

a. Pluteus larva

b. Axoltl  larva 

c. Ammocoete larva

d. Tornaria larva

Ans:- c

6. Torpedo is popularly known as

 fa.Dog fish 

b. Electric fish

c. Rat fish 

d. Saw fish

Ans:- b

7. Scientific name of hammer headed fish is

a. Pristis 

b. Sphyrna

c. Rhinobatus

d. Clarius

Ans:- b

8. Common name of Hippocampus is

a. Sea cow

b. Sea horse

c. Sea squirt

d. Sea mouse

Ans:- b

9. An example of lung fish is - 

a. Epiceratodus

b. Protopterus

c. Lepidosiren

d. All of these

Ans:- d

10. Which of the following is a true fish?

a. Cuttle fish

b. Cray fish 

c. Globe fish 

d. Silver fish

Ans:- c

11. Ichthyophis  belongs to class-

a. Pisces

b. Amphibia

c. Reptilia

d. Mammalia

And:- b

12. Tail is retained throughout the life in individuals belonging to order- 

a. Gymnophiona

b. Urodela

c. Anura

d. Salientia

Ans:- b

13. The tail is prehensile in - 

a. Camilion

b. Sphenodon

c. Hemiductylus

d. Calotis

Ans:- c

14. The group amniota includes - 

a. Reptiles

b. Birds

c. Mammals

d. All of the above

Ans:- d

15. Excretion in reptiles is performed by - 

a. Pronephric kidney 

b. Mesonephric kidney

c. Metanephric kidney

d. Protonephridia

Ans:- c

16. Which one of the following statement is true in respect of reptiles?

a. These are exclusively terrestrial

b. These are warm blooded

c. Males are provided with copulatory organ

d. Their ventricle is divided into two

Ans:- c

17. Snakes are grouped under- 

a. Crocodilia

b. Lacertilia

c. Chelonia

d. Ophidia

Ans:- d

18. The poison glands of a poisonous snake are modified- 

a. Buccal glands

b. Salivary glands

c. Lacrimal glanda

d. Meibomian glands

Ans:- b

19. Skull of birds is - 

a. Non condylic 

b. Monocondylic

c. Dicondylic

d. Multi condylic

Ans:- b

20. The voice box is known as Syrinx is - 

A. Amphibian

b. Reptiles

c. Birds

d. Mammals

Ans:- c

21. Shuturamurg lives in - 

a. South American pompas

b. Desert of Africa and Arabia

c. Grassland of Asia

d. Australia and new Guinea

Ans:- b

22. The beak in birds is toothed in - 

a. Ostrich

b. Kiwi

c. Archaeopteryx

d. Pellican

Ans:- c

23. Herbivorous marine mammals are included in the order - 

a. Cetacea

b. Sirenia

c. Pholidula

d. Artioduotyla

Ans:- b

24. Hair is absent in individual belonging to order - 

a. Cetacea

b. Chiroptera

c. Proboscidea

d. Edentata

Ans:- a

25. Salamander is a - 

a. Bird

b. Mollusca

c. Reptilia

d. Amphibia

Ans:- d