1. Plants developing in dry conditions are
A. xerophytes
B. mesophytes
C. lithophytes
D. hydrophytes
2. Plants growing on sand are called as
A. chasmophytes
B. oxylophytes
C. lithophytes
D. psammophytest
3. Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called
A. flavoxanthin
B. melanin
C. carotene
D. Xanthophyll
4. 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
5. 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
6. Plants wilt due to excess of
A. transpiration
B. photosynthesis
C. absorption
D. None of these
ANSWERS :
1. Answer: Option A
2. Answer: Option D
3. Answer: Option B
4. Answer: Option A
5. Answer: Option B
6. Answer: Option A
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