Fisheries Science Objective Questions and Answers MCQ PDF Download

Dear Aspirants, Most important Fisheries Science Objective Multiple Choice Questions and Answers useful for General Agriculture for ICAR and other JRF, SRF, ARS, Ph.D., M.Sc. IBPS, AFO, AO, IFS, NABARD Agri Competitive exams and Tests.

1. The number of barbels in catfish family Tachysuridae are–
(A) Two pairs (B) Three pairs
(C) Four pairs (D) One pair✓

2. Carp fry production in India how to stand at about–
(A) 10, 000 million (B) 17, 000 million
(C) 21, 000 million✓ (D) 32, 000 million

3. Chinese dip - nets are most common in–
(A) W. B. (B) Gujarat
(C) Kerala✓ (D) A. P.

4. Which of the following species hermaphrodite ?
(A) O. mossambicus (B) M. cephallus
(C) Epinepltilus taurina✓ (D) Chamos chanos

5. Nagarjunasagar is located in the state of–
(A) T.N. (B) A.P. ✓
(C) Kerala (D) Maharashtra

6. The most efficient gear used for exploiting the pelagic fishery resources along Karnataka coast is–
(A) Rampani✓ (B) Beachsiene
(C) Dol net (D) Scoop net

7. In fish population studies indicates–
(A) Survival rate (B) Mortality rate✓
(C) Growth rate (D) Recruitment

8. Loktak lake is located in which state–
(A) Meghalaya (B) Arunachal Pradesh
(C) Manipur✓ (D) Andhra Pradesh

9. The national fish of India is–
(A) Rastrelliger kauagurta✓ (B) Labeo rohita
(C) Catla catla (D) Clarias batrachus

10. Global marine fish production is the highest in–
(A) North America (B) Africa
(C) Asia✓ (D) Australia

11. Process that nutrient-rich subsurface water come to the surface is known as–
(A) Upwelling (B) Downwelling
(C) Ups welling (D) Downswelling

12. First transgenic associated fish production, associated group–
(A) Zhu et al.✓ (B) Palmitter et al.
(C) elm et al. (D) Dabla et al.

13. One million carps spawn weighs–
(A) 150 g (B) 600 g
(C) 1500 g✓ (D) 250 g

14. Seaweed Nymphea produces–
(A) Alginic acid✓ (B) Agar
(C) Caragenen(D) Biotoxin

15. Fresh water prawns yields eggs @
(A) 100 nos./ g (B) 500 nos./ g
(C) 1000 nos./ g✓ (D) 5000 noe g

16. The inland fish production is almost how much 1'l'I' of total fish production in India–
(A) Over 50 %✓ (B) 30 % I
(C) 20. % (D) 40 %

17. To get 40 tonnes of nitrogenjha how much Azolla can be used–
(A) 20 tonnes (B) 30 tonnes
(C) 40 tonnes ✓  (D) 50 tonnes

18. Shrimp production j ha is maximum in which state–
(A) Andhra Pradesh (B) Tamil Nadu✓
(C) West Bengal (D) Goa

19. The Indian edible oyster is–
(A) Perna viridis (B) Crassostrea madrasensis✓
(C) Vanma litterata (D) Sepia aculeata

20. Recommended level of chlorination of process water in the fish processing plant is–
(A) 10 ppm✓ (B) 50 ppm
(C) 100 ppm (D) 150 ppm

21. Which among the following organisms is considered as an indicator species for the abundance of oil sardine?
(A) Skeleionema costa turn (B) Fragilaria oceanica✓
(C) Brachionus plicatilis (D) Artemia salina

22. Beche-de-mere obtained from–
(A) Sea cucumben✓ (B) Seafen
(C) Sea lily (D) Sea turtle

23. Dorsal fin erosion in fish is due to deficiency of which amino acid–
(A) Lysine✓ (B) Histidine
(C) Tryptophan (D) Leucine

24. The scientific name of Indian halibut is–
(A) Harpodon nehereus (B) Gambusia affinis
(C) Chanos chanos (D) Psettodes erumei✓

25. Which of the following fishes uses the sticky mucus secreted its skin for preparing nests for egg laying ?
(A) Gasterosteus✓ (B) Trichogaster
(C) Protopterus (D) Lepidopterus

26. Dominant species of mussel available in East Coast of India is–
(A) Penza indica (B) Perna viridis✓
(C) Lamellidens marginalis (D) Parassia corrugata

27. Indian reservoirs produce fishes annually–
(A) 10 kg/ha (B) 15 kg/ha
(C) 20 kg/ha✓ (D) 40 kg/ha

28. Fresh water snake is–
(A) Wallaga attu✓ (B) M. armatus
(C) C. batrachus (D) M. seenghala

29. CIFAX is developed by which ICAR institution–

30. Crustacean known as sea lice–
(A) Argulus (B) Caligus✓
(C) Cymothoa (D) Ergasilus

31. Fish cell lines are used for–
(A) Bacteria (B) Virus✓
(C) Protozoan (D) Ectoparasites

32. Black pearl is obtained from–
(A) P. margaratifera✓ (B) P. maxima
(C) P. fucuta (D) P. sutchi

33. The European eel breeds in the sea–
(A) China Sea (B) Red Sea
(C) Sargasso Sea✓ (D) Arabian Sea

34. Migration from fresh water to marine water for reproduction is known as–
(A) Anadromous (B) Catadromous✓
(C) Amphidromous (D) Potamodromous

35. Scoliosis and Lordosis is due to deficiency of–
(A) Vitamin - A (B) Vitamin - C✓
(C) Vitamin - B complex (D) Vitamin - D

36. Biodrum refers to–
(A) Ozoniser (B) Biofilter✓
(C) Machine (D) Weeder

37. Squid jigging employs the principle of–
(A) Color✓ (B) Smell
(C) Light (D) Electric current

38. is the Asias largest brackish water lagoon–
(A) Vembnand lake(B) Pulicat lake
(C) Chilka lake✓ (D) Hukitola lake

39. Seaweeds are a rich source of–
(A) Carbohydrates (B) Protein
(C) Iodine✓ (D) Fat

40. The pelagic fish production in India is how much of the total marine production ?
(A) 25 % (B) 50%✓
(C) 30% (D) 10%

41. Cage culture started first from–
(A) Indonesia✓ (B) Egypt
(C) Japan (D) USA

42. Chlortetracycline is obtained from 85.
(A) Virus (B) Protozoa
(C) Metazoans (D) Bacteria✓

43. Phosphorus and nitrogen content is J highest in–
(A) Poultry manure✓ (B) Cow dung
(C) Pig manure (D) Rabbit manure

44. During viral infections cells in the blood increases its number–
(A) R. B. C. (B) Neutrophil
(C) Basophil (D) W.B.C.✓

45. ... .... chemicals are used to induce triploids–
(A) Nitrous oxide✓ (B) Sulphuric acid
(C) Hydrochloric acid (D) Calcium oxide

46. Tapti estuary is in the state of–
(A) Goa (B) Kerala
(C) Maharastra (D) Gujarat✓

47. Area of Indian EEZ (Exclusive Economic Zone) is–
(A) 2.02 million km2✓ (B) 12 million km 2
(C) 5 million km 2 (D) 1 million km 2

48. In a productive soil, what should be the phosphorus level–
(A) 6 - 12 mg/ g (B) 3 - 6 mg/ g✓
(C) > 12 mg/ g (D) < 2 mg/ g

49. In VBGF, the value of to indicates–
(A) Age of fish at capture (B) Length of fish at zero age
(C) Age of fish at zero length✓ (D) Age of fish at fi.rst maturity

50. Which one is true fish in the following?
(A) Dog fish✓ (B) Cattle fish
(C) Star fish (D) Jelly fish

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