In vascular plants, the sieve tubes and companion cells are present in the
cambium
cortex
xylem
phloem
Correct answer is D
No explanation has been provided for this answer.
What is the theoretical probability that a normal male child will be born?
1\2
1\4
1\3
1
2/3
Correct answer is A
No explanation has been provided for this answer.
A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because
Amoeba lives in freshwater
Diffusion is sufficient to transport materials in Amoeba
Amoeba lacks blood containing haemoglobin
Amoeba exibits anaerobic respiration
Correct answer is B
No explanation has been provided for this answer.
i2/1, c0/0, pm3/2, m3/3. The general formula above represent that of
an omnivore
a detritus feeder
a carnivore
a herbivore
Correct answer is D
No explanation has been provided for this answer.
Which of the following is an aboreal organism?
Elephant
Fish
Antelope
Bird
Correct answer is D
No explanation has been provided for this answer.
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