1) The solar eclipse occurs when

A. the sun comes in between the moon and the earth

B. the earth comes in the between the sun and the moon

C. the moon comes in between the sun and the earth

D. None of the above

Answer : C.

2) The smallest functional and structural unit of kidney is called as

A. Neuron

B. Nephron

C. Granulocyte

D. Reticulocyte

Answer : B.

3) The removal of top soil by water or wind is called

A. Soil wash

B. Soil erosion

C. Soil creep

D. Silting of soil

Answer : B.

4) In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is

A. an AND circuit

B. a NOR circuit

C. an OR circuit

D. a high-pass filter

Answer : C.

5) The speed of light with the rise in the temperature of the medium

A. Increases

B. Decreases

C. Remains unaltered

D. Drops sharply

Answer : C.

6) The Panda belongs to the same family as that of

A. Bear

B. Cat

C. Dog

D. Rabbit

Answer : A.

7) The oxide of Nitrogen used in medicine as anaesthetic is

A. Nitrogen dioxide

B. Nitric oxide

C. Nitrous oxide

D. Nitrogen pentoxide

Answer : D.

8) The marine animal called dugong which is vulnerable to extinction is a/an

A. Amphibian

B. Bony fish

C. Shark

D. Mammal

Answer : D.

9) The intencity of Earthquakes is measured on

A. Richter scale

B. Secant scale

C. Mercalli scale

D. Beaufort scale

Answer : A.

10) The hardest substance available on earth is

A. Platinum

B. Diamond

C. Quartz

D. gold

Answer : A.