General Knowledge

Biology - Section 1

1.  Photosynthesis is a process

A. reductive and exergonic
B. reductive and catabolic
C. reductive, endergonic and catabolic
D. reductive, endergonic and anabolic
2.  On which of the following plants did Gregor Mendal perform his classical experiment?

A. Gram
B. Maize
C. Pea
D. Wheat
3.  Pigmentation of skin is due to

A. lymphocytes
B. monocytes
C. leucocytes
D. melanocytes
4.  Norepinephrine increases

A. respiration
B. urine production
C. saliva production
D. blood pressure
5.  Night blindness is cause by lack of which vitamin?

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
6.  Monocot root differs from dicot root in having

A. open vascular bundles
B. scattered vascular bundles
C. well developed pith
D. radially arranged vascular bundles
7.  Plants developing in dry conditions are

A. xerophytes
B. mesophytes
C. lithophytes
D. hydrophytes
8.  Plants growing on sand are called as

A. chasmophytes
B. oxylophytes
C. lithophytes
D. psammophytes
9.  Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

A. flavoxanthin
B. melanin
C. carotene
D. Xanthophyll
10.  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

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