1. The hormone used as an oral contraceptive is–
(A) Aldesterone (B) Cortisone
(C) Progesterone (D) Testosterone
2. Expand the term IPCC–
(A) International Pollution Control Council
(B) International Panel of Climate Control
(C) Interim Panel of Climate Change
(D) Intergovernmental Panel on Climate Change
3. The “One Straw Revolution” was written by–
(A) Masanobu Fukuoka (B) Richael Carlson
(C) M. S. Swaminathan (D) Norman Borlaug
4. Endosulfan spray on cashew crop resulted in the pollution to the tune of
(A) Tamil Nadu (B) Kerala
(C) Andhra Pradesh (D) Karnataka
5. Which of the following Muslim rulers remained in the captivity of his son?
(A) Akbar (B) Aurangzeb
(C) Shahjahan (D) Jahangir
6. Interest payable on savings bank accounts is–
(A) not regulated by RBI. (B) regulated by Sate Governments.
(C) regulated by Central Government. (D) regulated by RBI.
7. Cochin and Visakhapatnam sea ports of India are situated on the–
(A) East and West Coasts, respectively (B) East Coast
(C) West Coast (D) West and East Coasts, respectively
8. The elements of a group in the periodic table–
(A) have similar chemical properties. (B) have consecutive atomic numbers.
(C) are isobars. (D) are isotopes.
9. Which one of the following polymers is used for making bulletproof material
(A) Polyvinyl chloride (B) Polystyrene
(C) Polyethylene (D) Polyamide
10. The pH of human blood is normally around–
(A) 4.5–5.5 (B) 5.5–6.5
(C) 7.5–8.0 (D) 8.5–9.0
11. Which of the following acts as photosensitizer during photosynthesis ?
(A) Chlorophyll (B) Chlorine
(C) Oxygen (D) Nitrogen
12. What happens when bleaching powder is left exposed to air ?
(A) It gradually loses its oxygen (B) It gradually loses its chlorine
(C) It turns dark brown in colour (D) It turns yellow in colour
13. Arsenic pollution leads to–
(A) Dyslexia (B) Allergy
(C) White foot disease (D) Black foot disease
14. Which one of the following does not contribute to pollution ?
(A) Hydroelectric Power Plant (B) Atomic Power Plant
(C) Thermal Power Plant (D) Nuclear Power Plant
15. Which of the following are the two major components of dry air (by volume) ?
(A) Nitrogen and Ammonia (B) Oxygen and Carbon dioxide
(C) Nitrogen and Oxygen (D) Oxygen and Argon
16. Each chromosome in the nucleus of a cell consists of–
(A) two chromatids only. (B) two centromeres only.
(C) two centromeres attached to a chromatid. (D) two chromatids attached to a
17. White blood cells are produced in the–
(A) Tongue (B) Thyroid gland and suprarenal gland
(C) Bone marrow and lymph glands (D) Ductless glands
18. Find the odd one–
(A) Limestone (B) Slaked iron
(C) Marble (D) Chalk
19. A basic instruction that can be interpreted by computer generally has–
(A) an operation and an address (B) an instruction register and an address
(C) a decoder and an accumulator (D) None of the above
20. Software needs to be protected against–
(A) fire, flood, lightning and rock slides (B) unauthorised access
(C) worms and viruses (D) Both (B) and (C)