Which one of the following statements is incorrect about menstruation?
Held on 30 Apr 2008 · Verified 9 Jul 2026.
The beginning of the cycle of menstruation is called menarche
During normal menstruation about 40ml blood is lost
The menstrual fluid can easily clot
At menopause in the female, there is especially abrupt increase in gonadotropic hormones
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Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?
Consider the following : A. The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. B. The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. C. The first polar body is associated with the formation of the primary oocyte. D. Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. Choose the correct answer from the options given below:
Match List - I with List - II. $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Head} & \text{(i)} & \text{Enzymes} \\\hline \text{B.} & \text{Middle piece} & \text{(ii)} & \text{Sperm motility} \\\hline \text{C.} & \text{Acrosome} & \text{(iii)} & \text{Energy} \\\hline \text{D.} & \text{Tail} & \text{(iv)} & \text{Genetic material} \\\hline\end{array}$ Choose the correct answer from the options given below :
The first menstruation is called :
Find the correct statement : (A) In human pregnancy, the major organ systems are formed at the end of 12 weeks. (B) In human pregnancy the major organ systems are formed at the end of 8 weeks. (C) In human pregnancy heart is formed after one month of gestation. (D) In human pregnancy, limbs and digits develop by the end of second month. (E) In human pregnancy the appearance of hair is usually observed in the fifth month. Choose the correct answer from the options given below :
Work through every NEET UG Human Reproduction PYQ, year by year.