SCIENCE REPORTER, OCTOBER 2013 42

E.S.N. MURTHY

TEST

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1 In the fresh water ecosystem, organisms that feed on phytoplankton are called: a) Producers b) Predators c) Primary Consumers d) Secondary Consumers

2. Aqua� c Homoiothermic animals are: a) Fishes b) Dolphins c) Crocodiles d) Turtles

3. The phenomenon of adap� ng to the changes in salinity of water environment is called: a) Diurnal migra� on b) Photoperiodism c) Eurihalinity d) Parthenogrnisis

4. The fi sh that can adapt to the fresh waters as well as marine waters is: a) Catla catla b) Anguilla c) Labeo d) Anabas

5. Leech can prevent blood clo� ng with the secre� on of: a) Heparin b) Hirudin c) Insulin d) Gela� n

6. In Vor� cella the contrac� le vacuole mainly serves for: a) Nutri� on b) Excre� on c) Food storage d) Osmoregula� on

7. Bipinnaria is the larval form of: a) Bri� le star b) Starfi sh c) Crab d) Unio

8. The protozoan that exhibits ‘Bioluminescence’ is: a) Noc� luca b) Paramecium c) Cera� um d) Euglena

9. The water insect that swims on its back is: a) Ranatra b) Notonecta c) Belostoma d) Nepa

10. “Cyclomorphosis” is exhibited by: a) Daphnia b) Dragonfl y larva c) Ranatra d) Corixa

11. “Cyclomorphosis” is the Phenomenon of: a) Larva changing into adult b) Seasonal change in the body shape c) Growth in animals d) Aquiring nutrients

12. Planktonic crustacean that acts as an intermediate host for a Nematode parasite Guinea Worm is: a) Calanus b) Daphnia c) Cyclops d) Mysis larva

13 “Naiad” is the term given to: a) Larva of mosquito b) Lava of dragonfl y c) Larva of fresh water mussel d) Larva of prawn

14. “Limnology” is the study of: a) Fresh water ecosystem b) Marine biology c) Plankton d) Aqua� c bugs

15. The molluscan that has internal calcareous shell is a) Pila b) Fresh water mussel c) Sepia d) Octopus

16. ‘Nauplius’ is the larval stage found during the development of: a) Water insects b) Crustaceans c) Molluscs d) Starfi sh

17. The ‘Cu� le Fish’ is: a) Octopus b) Chiton c) Sepia d) Aplysia

18. The marine fi sh that exhibits ‘male pregnancy’ is: a) Hippocampus b) Narcine c) Mugil d) Shark

19. ‘Water scorpion’ is: a) Palamnaeus b) Notonecta c) Ranatra d) Corixa

20. The aqua� c bird with “Paddles” is: a) Swan b) Duck c) Pelican d) Crane

ANSWERS: 1.c 2.b 3.c 4.b 5.b 6.d 7.b 8.a 9.b 10.a 11.b 12.c 13.b 14.a 15.c 16.b 17.c 18.a 19.c 20.c

Contributed by Shri E.S.N. Murthy , Retd Lecturer in Zoology , Andhra Loyola College, Vijayawada-520 010

SCIENCE REPORTER, OCTOBER 201343

TEST YOUR KNOWLEDGE

1. Malus domes� ca is the common name of a. Apple b. Wood apple c. Pine apple d. Wild apple

2. Genus Rubus includes the following fruit a. Strawberry b. Blackberry c. Olive d. Dates

3. Ficus is commonly known as a. Banana b.Fig c. Orange d. Sweet lime

4. Vi� s genus includes the fruit a. Dates b. Chickoo c. Grapes d. lemon

5. Phoenix dactylifera is the common name of a. Dates b. Orange c. Lychee d. Mango

6. Prunus persica is the commom name of a. Peach b. Apple c. Plum d. Berry

7. The scien� fi c name of guava is a. Dillenia indica b. Olea europaea c. Annona squamosa d. Psidium guajava

8. Ac� nidia genus includes the following fruit a. Pear b. Apple c. Kiwi fruit d. Plum

9. Punica granatum is the scien� fi c name a. Pomegranate b. Dates c. Soap berry d. Olive

10. Carica papaya is commonly called as a. Plum b. Papaya c. Jack fruit d. Mango

11. Litchi chinensis is the scien� fi c name of a.Soapberry b. Berry c. Blackberry d. Plum

12. The common name of Mangifera indica is a. Orange b. Apple c. Mango d. Sweet lime

13. Cucumis melo is generally known as a. Muskmelon b. Water melon c. Chickoo d. Olive

14. Musa paradisiaca is the scien� fi c name of a. Plantain b. Orange c. papaya d. Lime

15. Dillenia indica is commonly known as a. Pineapple b. Wood apple c. Green apple d. Apple

16. Artocarpus heterophyllus is commonly known as a. Pineapple b. Custard apple c. Jack fruit d. Wild Apple

17. Pyrus genus includes the fruit a. Pear b. Plum c. Apple d. Berry

18. Manikara zapota is commonly known as a. Plum b. Chickoo c. Olive d. Guava

19. Olea europaea is the scien� fi c name of a. Olive b. Plum c. Guava d. Pear

20. Prunus armeniaca is the scien� fi c name of a. Plum b. Dates c. Olive d. Apricot

21. Annona squamosa is commonly known as a. Custard apple b. Elephant apple c. Wild apple d. Pineapple

22. Passifl ora edulis is the scien� fi c name of a. Kiwi b. Olive c. Passion fruit d. Jack fruit

23. Ananus comosus is generally called as a. Pineapple b. Apple c. Orange d. Pear

24. Citrullus lanatus is commonly known as a. Melo b. Berry c. Muskmelon d. Watermelon

25. Citrus sinensis is commonly known as a. Sweet lime b. Sweet orange c. Melo d. Lime

Answers: 1. a 2. b 3. b 4. c 5. a 6. a 7. d 8. c 9. a 10. b 11. a 12. c 13. a 14. a 15. b 16. c 17. a 18. b 19. a 20. d 21. a 22. b 23. a 24. d 25. b Contributed by Mr Ashwin Malla, 13, Priya Colony, AOC Gate, Near Kakaguda, Secunderabad–500015; Email: am08.loyola@gmail.com, malla164_ashwini@yahoo.co.in

ASHWIN MALLA