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The functional units for absorption of digested food are
During prolonged fasting, first of all fats are used up and then
Starting from outside, the layer present in intestinal wall, are
The conversion of absorbed food material, into complex molecules, is termed as
In diploid zygote, chromosome number is 40. Chromosome number in a gamete will be
The "biological clock" in higher vertebrates is regulated by:
A man known to be victim of haemophilia marries a normal women, whose father was known to be a bleeder. Then it is expected that
Male and female cockroaches can be distinguished externally through
A frog with body temperature of 20°C is transferred to an area with 30°C temperature. What will be the body temperature of frog in the new environment?
Tiny free living animals on the surface of water constitute
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