The events of the menstrual cycle are represented below. In which of the following option the level of $FSH$, $LH$ an progesterone is mentioned correctly
High | High | Low | Low | Low | High |
High | High | High | Low | Low | Low |
Low | Low | Low | High | High | High |
Low | Low | High | High | Low | Low |
Study the flow chart. Name the hormones labelled as $A, B, C, D$ at each stage.
$A \quad B\quad C \quad D$
Spermiogenesis is possible due to....
Phallic organs in cockroach are related to
Location - function : Testis and Ovary
Read the following paragraph with two blanks : Each testis has about $A$ compartments called as testicular lobules. Each lobule contains $B$ highly coiled seminiferous tubules in which the sperms are produced. The correct option for the two blanks is
$A$ | $B$ |