Sequence of hormones during menstrual cycle is
Oestrogen, progesterone and $FSH$
Progesterone, oestrogen and $FSH$
$FSH$, oestrogen and progesterone
$FSH$, progesterone and oestrogen
It's Obvious
Given diagram refers to spermatogenesis and oogenesis in humans. Identify $A$ to $H$ correctly.
Drugs such as Thalidomide taken by woman in first trimester of pregnancy cause all the following malformations in the developing embryo, except
$A$ : The male urethra is longer than the female urethra. $R$ : It carries both urine as well as semen.
In Pheretima mouth develops from which of the following
Which of the following is not evident that the pattern of cleavage is determined by factors in the egg cytoplasm rather than by genes of zygote
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