PSC Questions Related to Biology

1. The nearest ancestor of man is:

(a) Peking man             (b) Java Man

(c) Cro-Magnon man   (d) Neaderthal man

Ans: d

2. H1 N1 Virus is associated with:

(a) Chikunguniya                   (b) Swine Flu

(c) Avian Flu                 (d) Dengue Fever

Ans: b

3. Birds can able to recognize their home through:

(a) Memory         (b) Smell

(c) Eye sight        (d) Orientation of Magnetic field

Ans: d

4. World Wild Life Week is observed on:

(a) First week of September (b) First week of October

(c) First week of November (d) First week of July

Ans: b

5. Red Data Book provides data on:

(a) Red flowered plants                            (b) Red coloured fish

(c) Endangered plants and animals          (d) Red coloured insects

Ans: c

6. Ailurophobia is the unnecessary fear of:

(a) Rat        (b) Insects (c) Cat        (d) Dog

Ans: c

7. Pasteurisation of milk is:

(a) Heating to 62 degree C    (b) Heating to 100 degree C

(c) Cooling to -4 degree C     (d) Cooling to 0 degree C

Ans: a

8. Which of the following is a biologically incompatible marriage?

(a) Rh+man and Rh- woman          (b) Rh-man and Rh+ woman

(c) Rh+man and Rh+ woman         (d) Rh-man and Rh- woman

Ans: a

9. Who is called as 'the father of first aid'?

Ans: Dr.lsmark

10. AIDS virus has:

(a) Single stranded DNA       (b) Double stranded DNA

(c) Single stranded RNA        (d) Double stranded RNA

Ans: c

12. The vector that transmits Chikunguniya:

(a) Anopheles      (b) Aedes aegypti          (c) Mansonoides

Ans: b

13. The scientist who discovered the virus causing Chikun Guniya:

Ans: W.H.R. Lumsden

14. World AIDS Day has been observed since:

Ans: 1988

15. Which of the following is a degenerative disease?

(a) Arthritis         (b) Heart attack                    (c) Diabetes Melitus

Ans: d

16. The hormone insulin is a:

(a) Peptide                    (b) Fatty acid       (c) Glycolipid       (d) Sterol

Ans: a

17. Which among the following cells lack the property of division?

(a) Neuron                    (b) Muscle cell    (c) Epithelial cell (d) Nephron

Ans: a

18. Which converts milk into curd?

(a) Bacteria                   (b) Yeast             (c) Virus     (d) Fungus

Ans: a

19. Which is a bone in human leg?

(a) Radius            (b) Tibia     (c) Ulna      (d) Sternum

Ans: b

20. Which organism reproduces through budding?

(a) Earth worm   (b) Planaria         (c) Tape worm    (d) Hydra

Ans: d

21. 'Rajapalayam' is related to:

(a) Banana           (b) Horse   (c) Cow     (d) Dog

Ans: d

22. The fear of bees:

(a) Alekrophobia                    (b) Apiphobia     

(c) Bathophobia            (d) Ailurophobia

Ans: b

23. The branch of clinical study related to hearing, taste and smell is:

(a) Osteology                 (b) Otolaryngology

(c) Ophthalmology       (d) Dermatology

Ans: b

24. The disease not transmitted by house fly:

(a) Cholera                    (b) Enteric Fever

(c) Dengue Fever                   (d) Dysentry

Ans: c

25. Which animal has the normal gestation period of 22-24 months?

(a) Tiger     (b) Goat    (c) Rhinoceros    (d) Elephant

Ans: d