1. Translucent objects are the objects to which we go?

(a) Can not see at all

(b) can clearly see

(c) can see, but not very clearly

(d) None of the above

Can see ANS. (C), but not very clearly

2. Which man-made fiber is obtained from wood pulp?

(a) nylon

(b) rayon

(c) silk

(d) polyester

ANS. (B) Ryan

3. Which chemical is used to test acidic or alkaline substances?

(a) Indicator

(b) Promoter

(c) Catalyst

(d) Neutralizer

ANS. (A) Indicator

4. What is the sum total of the population of the same type of organism?

(a) empire

(b) class

(c) filem

(d) Species

ANS. (D) Species

5. Which instrument is used to measure the height of planes?

(a) actinometer

(b) Seelometer

(c) accelerometer

(d) Altimeter

ANS. (D) Altimeter

6. A nuclear reaction in which a heavy nucleus splits into two nuclei of approximately equal mass is called a?

(a) Fast Breeding

(b) controlled breeding

(c) nuclear fission

(d) nuclear fusion

ANS. (C) nuclear fission

7. Which of the following is an electromagnetic wave?

(a) infrared rays

(b) ultrasonic wave

(c) sound wave

(d) cathode rays

ANS. (A) infrared rays

8. From which of the following is kinaine extracted?

(a) Sarpagandha

(b) Poppy

(c) quinine

(d) Dhatura

ANS. (C) Quinine

9. Swim bladder is absent in which of the following varieties?

(a) Cattle fish

(b) Bony fish

(c) Silchar fish

(d) Cartilaginous fish

ANS. (D) Cartilaginous fish

10. Petroleum is a mixture of ....

(a) Hydrocarbons

(b) salts

(c) Polymers

(d) elements

ANS. (A) Hydrocarbons