MCQOPTIONS
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MCQOPTIONS
This section includes 93 Mcqs, each offering curated multiple-choice questions to sharpen your Fish and Sea Foods knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
__________ is a process of production of all female species. |
| A. | Oogenesis |
| B. | Vitellogenesis |
| C. | Hybridogenesis |
| D. | Heterosis |
| Answer» D. Heterosis | |
| 2. |
Tiny placoid type of scales are present in |
| A. | Sharks |
| B. | Mackerel |
| C. | Sciaenids |
| D. | Pink perch |
| Answer» B. Mackerel | |
| 3. |
The most solid portion of skull or braincase of fishes is called as |
| A. | Centrum |
| B. | Neurocranium |
| C. | Hyomandibular |
| D. | Quadrate |
| Answer» C. Hyomandibular | |
| 4. |
Which is not true regarding modified types of scales, bony plates? |
| A. | They are present in fish such as sturgeons |
| B. | They are present in fish such as south American catfishes |
| C. | They are present in fish such as flounders |
| D. | They are present in fish such as pipefishes and seahorses |
| Answer» D. They are present in fish such as pipefishes and seahorses | |
| 5. |
Ponds and tanks resources of India have the production potential level kg/ha/yr. |
| A. | 5000-10000 |
| B. | 2000-3000 |
| C. | 1000-2000 |
| D. | 10000- 20000 |
| Answer» B. 2000-3000 | |
| 6. |
There are . major rivers in India covering 83% of the drainage basin and account for 85% of the surface flow. |
| A. | 14 |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 7. |
are the sources of precious germplasm and breeding ground for a host of fish species. |
| A. | canals |
| B. | reservoirs |
| C. | rivers |
| D. | ponds |
| Answer» D. ponds | |
| 8. |
..is a classical example of anadromus fishes affected due to obstruction of their migratory pathway by dams |
| A. | Tenulusa |
| B. | illisha |
| C. | Clarius batrachus |
| D. | Silver carp |
| E. | Common carp |
| Answer» B. illisha | |
| 9. |
According to Dr. Ayyapan, DG of ICAR, India is home to more than . % of global fish biodiversity with 2200 species of fish and shellfish in the marine and inland waters. |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» B. 20 | |
| 10. |
Floodplain and wetlands area of India is .. million hectare |
| A. | 0.2 |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 11. |
estuarine system on the Indian coast one of the largest estuarine system in the country covering a major portion of the gangetic delta. |
| A. | Hooghly- Matlah |
| B. | Mahanadi |
| C. | Narmada |
| D. | Peninsular |
| Answer» B. Mahanadi | |
| 12. |
Oculomotor muscles are effectively attached to |
| A. | Jaws |
| B. | Eyes |
| C. | Gill arches |
| D. | Fin rays |
| Answer» C. Gill arches | |
| 13. |
The ______ gland is used primarily for the excretion of sodium of chloride ions in fishes. |
| A. | rectal gland |
| B. | renal gland |
| C. | pineal gland |
| D. | thymus gland |
| Answer» B. renal gland | |
| 14. |
Which of the following is not the basic method used in taxonomic studies? |
| A. | Colour patterns |
| B. | Karyotypes |
| C. | Electrophoresis |
| D. | Feeding behavior |
| Answer» E. | |
| 15. |
Which component detects sound in fishes? |
| A. | Lateral line |
| B. | Brain |
| C. | Olfactory receptors |
| D. | Cranial nerves |
| Answer» B. Brain | |
| 16. |
____ pigments in fish skin are responsible for bright red, yellow and green colour to fishes. |
| A. | Melanin |
| B. | Purines |
| C. | Guanines |
| D. | Caratenoid |
| Answer» E. | |
| 17. |
_______ is the most common measure of reproductive potential in fishes. |
| A. | Fecundity |
| B. | Reproductive effort |
| C. | Ovulation |
| D. | Fertility |
| Answer» B. Reproductive effort | |
| 18. |
_________ is a big bang reproduction where the adults spawn and die as in Pacific Salmon. |
| A. | Iteroparity |
| B. | Semelparity |
| C. | Oviparity |
| D. | Viviparity |
| Answer» C. Oviparity | |
| 19. |
________ fish is an example of walking catfish. |
| A. | Clarius batrachus |
| B. | Ictalurus punctatus |
| C. | Anabas testiduenius |
| D. | Anguilla Anguilla |
| Answer» B. Ictalurus punctatus | |
| 20. |
Which one is false regarding fish muscles? |
| A. | hite muscles has many capillaries per cubic millimeter |
| B. | Red muscles has many capillaries per cubic millimeter |
| C. | Red muscles has high concentration of hemoglobin |
| D. | White muscles has less capillaries per cubic millimeter |
| Answer» B. Red muscles has many capillaries per cubic millimeter | |
| 21. |
.. are collected in Ganga river system from one to two feet of deep water by disturbing the bottom and scooping then with the gamcha. |
| A. | spawn |
| B. | eggs |
| C. | fry |
| D. | fingerlings |
| Answer» C. fry | |
| 22. |
CIFRI is conducting research on fish pass and has designed .type fish passes for some upcoming dams in the river of north eastern India |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 23. |
According to Groombridge and Jenkins (1998) there are 30 world river basin marked as global priorities for the protection of aquatic biodiversity out of that .. are from India . |
| A. | 9 |
| B. | 10 |
| C. | 11 |
| D. | 12 |
| Answer» B. 10 | |
| 24. |
One of the peculiarities of the Kerala coastal zone is the presence of a number of backwaters or estuary locally known as . |
| A. | kumbala |
| B. | payal |
| C. | sundarban |
| D. | kayal |
| Answer» E. | |
| 25. |
river originates from a glacier in Tibet and has a combined length of 4025 km. |
| A. | Brahmaputra |
| B. | Ganga |
| C. | Indus |
| D. | Mahanadi |
| Answer» B. Ganga | |
| 26. |
Fry and fingerlings collection from .. river system is made usually by cast and drag nets. |
| A. | Ganga |
| B. | Brahmaputra |
| C. | Peninsular |
| D. | Indus |
| Answer» B. Brahmaputra | |
| 27. |
Inland water resources in India are diverse and comprised of .. km of rivers. |
| A. | 29,000 |
| B. | 30,000 |
| C. | 50,000 |
| D. | 10,000 |
| Answer» B. 30,000 | |
| 28. |
.is gifted with many extensive water bodies commonly known as beels. |
| A. | Assam |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 29. |
. are lentic water bodies of natural origin which are formed due to tectonic movement of the earth s crust. |
| A. | lakes |
| B. | ponds |
| C. | bheels |
| D. | reservoirs |
| Answer» B. ponds | |
| 30. |
Normally, due to the holding of the chilled fish |
| A. | Pseudomonas increase in numbers |
| B. | Achromobacters decrease |
| C. | Flavobacteria increase temporarily and then decrease |
| D. | all of the above |
| Answer» E. | |
| 31. |
The potential of marine fish production from the Indian EEZ is |
| A. | 3.9 million tonnes |
| B. | 3.0 million tonnes |
| C. | 5.4 million tonnes |
| D. | 4.5 million tonnes |
| Answer» B. 3.0 million tonnes | |
| 32. |
Larva of squilla is known as |
| A. | Alima |
| B. | Megalopa |
| C. | Nauplius |
| D. | Veliger |
| Answer» B. Megalopa | |
| 33. |
Operculum in gastropods is secreted by . |
| A. | Mantle cells |
| B. | Cuticular cells |
| C. | Glandular cells |
| D. | Dermal cells |
| Answer» C. Glandular cells | |
| 34. |
Thin leaf like processes attached to each maxillipeds of crustaceans are known as |
| A. | Endopodite |
| B. | Epipodite |
| C. | Uropod |
| D. | Maxilla |
| Answer» C. Uropod | |
| 35. |
Conus has .. type of radula. |
| A. | Docoglossate |
| B. | Taxoglossate |
| C. | Rachiglossate |
| D. | Taenioglossate |
| Answer» C. Rachiglossate | |
| 36. |
In . the mantle is studded with spicules. |
| A. | Polyplacophora |
| B. | Monoplacophora |
| C. | Aplacophora |
| D. | Scaphopoda |
| Answer» D. Scaphopoda | |
| 37. |
In Stomatopoda gills are present at the base of |
| A. | Thorax |
| B. | Abdomen |
| C. | Mouth |
| D. | Legs |
| Answer» C. Mouth | |
| 38. |
Contractile filaments used for sensing food in Scaphoda are known as ----- |
| A. | Osphradium |
| B. | Captucula |
| C. | Tentacles |
| D. | Antennae |
| Answer» C. Tentacles | |
| 39. |
The larvae of lobster is known as ------ |
| A. | Zoea |
| B. | Mysis |
| C. | Phyllosoma |
| D. | Nauplius |
| Answer» D. Nauplius | |
| 40. |
Non-penaeid prawns have ----- naupli stages |
| A. | 8 |
| B. | 7 |
| C. | 6 |
| D. | 9 |
| Answer» D. 9 | |
| 41. |
Tusk shells belong to Class ----- |
| A. | Monoplacophora |
| B. | Scaphopoda |
| C. | Aplacophora |
| D. | Polypachophora |
| Answer» C. Aplacophora | |
| 42. |
In --------, gills are present to the right and behind the heart. |
| A. | Prosobranchia |
| B. | Opisthobranchia |
| C. | Pulmonata |
| D. | Rostroconchia |
| Answer» C. Pulmonata | |
| 43. |
Subclass belonging to Class Aplacophora |
| A. | Rostroconchia |
| B. | Caudofoveata |
| C. | Prosobranchia |
| D. | Scaphopoda |
| Answer» C. Prosobranchia | |
| 44. |
Osphradium acts as a ----- organ |
| A. | sense |
| B. | defense |
| C. | reproductive |
| D. | respiratory |
| Answer» B. defense | |
| 45. |
Hinge dentition in Arcidae is |
| A. | desmodont |
| B. | taxodont |
| C. | pachyodont |
| D. | dysodont |
| Answer» C. pachyodont | |
| 46. |
Shell in Bavilvia is the secretion of epithelial cells in ------- |
| A. | viscera |
| B. | mantle |
| C. | gonad |
| D. | ctenidia |
| Answer» C. gonad | |
| 47. |
------- is a digestive gland which is extended over the posterior portion of hindgut. |
| A. | Gastric mill |
| B. | Hepatopancreas |
| C. | Scaphognathite |
| D. | Corfrontle |
| Answer» C. Scaphognathite | |
| 48. |
Predation is categorized into . |
| A. | Natural mortality |
| B. | Fishing mortality |
| C. | Total mortality |
| D. | None of the above |
| Answer» B. Fishing mortality | |
| 49. |
Fox model is an example of . |
| A. | Analytical model |
| B. | Surplus production model |
| C. | Virtual Population Analysis |
| D. | None of the above |
| Answer» C. Virtual Population Analysis | |
| 50. |
Growth overfishing is an overfishing of . |
| A. | Young fish |
| B. | Adult fish |
| C. | Spent individuals |
| D. | None of the above |
| Answer» B. Adult fish | |