Which of the following elements is essential for the formation of haemoglobin?
Which of the following elements is essential for the formation of haemoglobin? A. Sodium B. Potassium C. Calcium…
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Which of these is a trace element?
Which of these is a trace element? A. Iron B. Copper C. Calcium D. Sulphur Correct Answer: Option…
Oxygen liberated during photosynthesis has been demonstrated to come from
Oxygen liberated during photosynthesis has been demonstrated to come from A. carbondioxide B. air C. water D. chlorophyll…
The stem differs from the root in having the xylem and phloem strands
The stem differs from the root in having the xylem and phloem strands A. on the same radii…
The fins making up the limbs of the bony fish are
The fins making up the limbs of the bony fish are A. caudal and ventral B. ventra and…
Incomplete metamorphosis occurs in the
Incomplete metamorphosis occurs in the A. butterfly B. grasshopper C. mosquito D. housefly Correct Answer: Option B Explanation
The male cockroach differs from the female by having
The male cockroach differs from the female by having A. mandibles B. a pair of style C. spiracles…
When the original king and queen of termites die, they are replaced by
When the original king and queen of termites die, they are replaced by A. the king and queen…
Which of the following lacks chaetae, tentacles and antennae?
Which of the following lacks chaetae, tentacles and antennae? A. Snail B. Crab C. Millipede D. Earthworm Correct…
Fishes are cold blooded because their body temperature is
Fishes are cold blooded because their body temperature is A. constantly low B. constantly high C. dependent on…