CBCS(IV)-Zoology-G-SEC-B 2020 ZOOLOGY — GENERAL (CBCS) Paper – SEC-B-4-2 Internal Assessment Full Marks 50 The figures in the margin indicate full marks. Instructions: Answer the following by choosing the best applicable option. Only one time submission is allowed from a registered email ID. Link will remain active during the scheduled examination hours. Please follow the link to submit your answers: https://forms.gle/YSaJhAQRFbrxkGae7 Upload your Registration certificate or latest Admit card copy and your signature in the mentioned area (image or PDF file only). Group A Section A 2 × 5 = 10 1. Name the following aquarium fish marked “A”
a) Zebra fish b) Guppy c) Angel d) Pink morph 2. Name the following aquarium fish marked “B”
a) Blue morph b) Fighter c) Angel d) Zebra fish 3. Name the following aquarium fish marked “C”
a) Tiger loach b) Butterfly fish c) Angel d) Moli 4. Name the following aquarium fish marked “D”
a) Gorami b) Butterfly fish c) Angel fish d) Moli 5. Name the following aquarium fish marked “E”
a) Blue morph b) Butterfly fish c) Gold fish d) Zebra fish CBCS(IV)-Zoology-G-SEC-B Section B 3 × 10 = 30 6. Ornamental fishery a) gives pleasure to people b) is harmful to people c) bad for composite culture d) increase edible fishery production. 7. Which of the following parameters should be taken care of during ornamental fish transportation? a) optimum urea b) optimum light c) adequate food d) adequate oxygen 8. Choose from the following which one is the endemic ornamental fish species a) Rahu b) Moli c) Gorami d) Jerdon’s carp 9. “Green sword tail displays sexual dimorphism” – this statement is a) No b) False c) True d) May be 10. Which of the following ornamental male fish has a stick-like gonopodium? a) Guppy b) Gold fish c) Angelfish d) Convict cichlid 11. Aquarium water pH of ______should be maintained for best maintenance of fish tank. a) 3.0-6.0 b) 7.5-8.5 c) 6.5-7.5 d) 7.0-9.0 12. The event where fish is born male, but changes to female if the sole breeding female dies, is known as a) metagenesis b) conversion c) protandry d) protogyny 13. Aquarium fish feed must be a) easily digestible b) without fat and amino acid c) easily dissolvable d) rich in urea 14. Which one of the following feed is the source of live fish feed? a) dry pellets b) fish powder c) flakes d) Tubifex 15. Which one of the following is the components of dry fish feed? a) Artemia b) Fish meal c) Cyclops d) mealworm
Group B (3+4+4 = 10) 16. Which of the following is the marine ornamental fish? a) Clownfish b) Gold fish c) Neon tetra d) Zebra fish 17. Aquarium fishes are mainly categorized into a) egg layers only b) only live bearers c) egg layers & live bearers d) egg releaser only 18. Formulated fish feed for starter feed should have protein % of a) 30-35 % b) 40-45 % c) 25-35 % d) 35-45 %