Exercise: Biology

Questions for: Biology

Movements due to light are shown by
A:
flowering plants
B:
lower plants
C:
all land plants
D:
all the plants
Answer: A
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Our major foods, fibres, spices, fruits and beverage crops are
A:
flowering plants
B:
gymnosperms plants
C:
pteridophytes
D:
bryophytes
Answer: A
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Organic Substances which, in very small amounts, control growth and development called
A:
vitamins
B:
hormones
C:
enzymes
D:
None of the above
Answer: B
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Radioactivity is a phenomenon of the spontaneous emission of
A:
protons (alpha particles)
B:
electrons (beta particles)
C:
gamma rays (short wave electromagnetic waves)
D:
All of the above
Answer: D
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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
Answer: C
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