36.

Plants growing on sand are called as

A. chasmophytes B. oxylophytes
C. lithophytes D. psammophytes
Answer:D
Explanation: No answer description available for this question.

37.

Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

A. flavoxanthin B. melanin
C. carotene D. Xanthophyll
Answer:B
Explanation: No answer description available for this question.

38.

Ramapithecus and Cro-Magnon man are considered

A. ancestors of modern man B. ancestors of monkey
C. ancestors of lion D. None of the above
Answer:A
Explanation: No answer description available for this question.

39.

Normal adult human male has

A. 10 gram of haemoglobin/100 gram of blood B. 14 gram of haemoglobin/100 gram of blood
C. 18 gram of haemoglobin/100 gram of blood D. 24 gram of haemoglobin/100 gram of blood
Answer:B
Explanation: No answer description available for this question.

40.

Plants wilt due to excess of

A. transpiration B. photosynthesis
C. absorption D. None of these
Answer:A
Explanation: No answer description available for this question.