Biology - Questions (Section-1)
#Questions
37Normal adult human male has
A. 10 gram of haemoglobin/100 gram of bloodB. 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
View Answer
38Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called
A. flavoxanthinB. melanin
C. carotene D. Xanthophyll
View Answer
39Plants developing in dry conditions are
A. xerophytesB. mesophytes
C. lithophytes D. hydrophytes
View Answer
40Plants growing on sand are called as
A. chasmophytesB. oxylophytes
C. lithophytes D. psammophytes
View Answer
41Plants wilt due to excess of
A. transpirationB. photosynthesis
C. absorption D. None of these
View Answer
42Ramapithecus and Cro-Magnon man are considered
A. ancestors of modern manB. ancestors of monkey
C. ancestors of lion D. None of the above
View Answer