FISHES AND AMBHIBIA

FISHES AND AMBHIBIA

1. Which one of the following is an estuarine fish?

A. Scolioden B. Narcine C. Hippocompus D. Mullet

2. Mackeral can be easily recognised by their

A. Deeply forked tail B. Small finlets behind the dorsal and anal fine

C. Streamlined body with smooth shiny skin and minute scales D. All the above

3. ............ is commonly known as a catfish

A. Mackeral B. Etroplus C. Clarius D. Sardine

4. Clarius can be identified by its

A. Barbels around the mouth B. Elongated body without scales

C. Caudal fin which is more or less rounded D.All the above

5. ......... is known to exhibit parental care.

A. Sardine B. Etroplus C. Mackerel D. Tuna

6. Fish oil and fish meal are mainly made from these fishes

A. Sardines B. Tuna C. Mackeral D. Etroplus

7. Air bladder in Sardines is unique because it

A. Is very small . B. Opens into the pharynx

C. Does not open into the pharynx D. Has many air pouches

8. .......... constitutes the major Indian Ocean fishery

A. Etroplus B. Tuna C . Clarius D. All the above

9. The heart of lungfish differs from that of other fishes in having

A. Two ventricles B. Two auricles C. In completely divided D. None of these

10. Cod liver and Shark liver oil are important source of

A. Vitamin B and C B. Vitamin A and D C. Vitamin A and B D. Vitamin B and D

11. ........ fishes which are used in biological control of insects are commonly called as

A. Larvivorous B. Insectivorous C. Omnivorous D. Carnivorous

12. Aplochilus is a .......... fish.

A. Larvivorous B. Migratory C. Air breathing D. All the above

13. Fish migration refers to

A. Movement of fishes in its habitat B. Movement of fishes for collecting the food

C. Movement of fishes from the feeding ground to the breeding ground for the purpose of

spawning
14. ............ is a migratory fish in India.

A . Anguilla B. Salamon C . Mullet D. All the above

15. Aqua culture refers to the culturing of

A. Fishes B. Marino fishes C. Fresh water fishes D . None of these

16. Shahgreen is the dried skin of

A. Tuna B. Shark C. Mackeral. D. Sardine

17. .... ... is largely used for the control of mosquito larvae

A. Msckeral B. Angel fish C. Gumbusia D. Gold fish

18. Select the one which is not related to the others

A. Scoliodon B. Mackeral C. Sardine D. Clarias

19. The heart of Amphibians is

A .Two chambered B. Three chambered C. Four chambered

D. Incompletely four chambered

20. The skin of frog is very much suited for respiratory function as it is

A. Dry and not covered with scales B. Very thin and highly vascular

C. Very thin, slimy and highly vascular D. None of these

21. The organs which help the frogs to float in water are

A. Urinary bladder B. Lungs C. ‘a’ and ‘b’ D. None of these

22. Hyperphalangy is seen in

A. Rana B. Calotes C. Pigeon D. None of these

23. Nictitating membrane protects ......... in frogs while it is in water .

A. Nostrils B. Lungs C. Eyes D. Ears

24. Respiration in adult frog is

A. Cutaneous B. Pulmonary C. Buccal D. All the above

25. During which period does the frog show aestivation ?

A. Autumn B. Spring C. Winter D. Summer


ANSWERS

1. d 2. d 3. c 4. d 5. b 6. a 7. b 8. b 9. c 10. b

11. a 12. a 13. c 14. a 15. b 16. b 17. c 18. a 19. b 20. c

21. b 22. c 23. c 24. d 25. d