Which of the following function is associated with calcium in plants? Formation of
cell wall
ribosomes
proteins
cell membrane
Correct answer is A
No explanation has been provided for this answer.
I and II only
I, II, and IV only
I, III, and IV only
I, II, III, and IV
Correct answer is C
No explanation has been provided for this answer.
The complex energy-rich organic matter which living organisms need for life is
water
air
food
mineral salts
Correct answer is C
No explanation has been provided for this answer.
Which of the following types of placentation is not common amongst syncarpous pistils?
Marginal
Axile
Parietal
Free central
Correct answer is A
No explanation has been provided for this answer.
In the diagram of the human sperm above, the function of the part labelled II is to
fuse the ovum during fertilization
generate the energy for the sperm to swim to the fallopian tube
help the sperm to swim forward
dissolve the membrane of the egg during fertilization
Correct answer is C
No explanation has been provided for this answer.
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