NATURE,SCOPE AND BEING ALIVE

Nature, Scope and Being Alive

1. Annual flower which opens only once in its life time is called

a.Annual b. Monocarpic c. Monoadelphous d. Herbaceous

2. Bacteriophages are those which

a. Kill virus b. Kill bacteria c. Kill fungi d. Kill all monerans

3. Living fossils mean

a. Primitive organised organisms b . Extinct organisms

c. Organisms with ancestral characters and time has not changed them

d. Connecting link between two groups.

4. ‘Operation flood’ is concerned with

a. milk b. eggs c. fish d. food

5. Experiments on secret life of plants were conducted by

a. Darwin b. Bose c. Webster d. Lamarck

6. Study of fishes and fisheries comes under

a. Icthyology b. Herpetology c. Pisciculture d. Ornithology

7. Study of acquired characters of animals and plants is called

a. Genetics b. Eugenics c. Ctetology d. Evolution

8. When plants are grown without soil, it is termed

a. hydroponics b. cyclones c. bonsai d. culture media

9. Study of animal habits and behaviour comes under

a. Ecology b. Euthenics c. Ethology d. Eugenics

10. Virion is

a. viral gene b. viral lysosome c. virus d. viroid.

11. During nerve conduction electric energy is produced. What is source of this energy?

a. DNA b. Creatine c. ATP d. ACTH

12. Arrangement and coordination of smaller components into larger ones is

a. Aggregation b. Interaction c. Organisation d. Coordination

13. A cytochemical reagent used to locate DNA in cell is

a. Schiff’s reagent b. Feulgen stain c. Both correct d. Both wrong

14. Electron microscope employs

a. Quartz lenses b. Glass lenses c. Magnets d. Electromagnetic coils

15. How many lenses a compound microscope has

a. 2 b. 3 c. 4 d. 1

16. In a microscope, a lens closer to eye is called

a. Eye piece b. Ocular lens c. Both a and b c. Oculometer.

17. Hypothesis is

a. A reasoned explanation b. An educated guess

c. Idea given on the basis of previous knowledge d. All of the above

18. The father of microscopy is

a. Robert Hooke b. Janssen c. Leeuwenhoek d. Abde

19. Cells regulate their activity through

a. Flow of material b. Flow of energy c. Flow of information

d. Flow of both energy and information

20. Which one is called Blue print of information?

a. DNA b. mRNA c, Brain d. Cerebellum.

21. Study of interaction of antigens and anti-bodies in blood plasma is called

a. Haematology b. Serology c. Angiology d. Cardiology

22. Variations in human head and facial features is due to

a. Genes b. Cells c. Proteins d. Behaviour

23. Which adaptations help the organism in its survival?

a. Short term adaptations b. Long term adaptations c. Only a is correct

d. Only b is correct

24. Kangaroo shows long term adaptation by using its tail as

a. 3rd limb b. 5th limb c. no use of tail d. to protect its young offspring.

25. Where is the Sugarcane Breeding Institute located?

a. Lucknow b. Mysore c. Pusa (New Delhi) d. Coimbatore


ANSWERS

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

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

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