Read the following statements about the reproductive cycles in mammals and select the correct ones.
(i) Oestrous cycle occurs in primate mammals.
(ii) In species with oestrous cycle, females are generally sexually active during oestrous phase.
(iii)Both the cycles show monthly recurrence.

Name the following: The type of reproductive cycle in non-primate mammals

Read the following statements and select the correct option: (a) Global water cycle does not involve the living organisms. (b) In this cycle, water circulates between hydrosphere and atmosphere.

Oestrous cycle is characteristic of mamma-lian females other than primates and occurs in females of

Oestrous cycle is characteristic of mamma-lian females other than primates and occurs in females of

Oestrous cycle is characteristic of mamma-lian females other than primates and occurs in females of

Collect information about female reproductive cycles differentiating both primates and non-primates.

Read the following statements about cell division and select the correct ones. (i) M phase represents the phase when actual cell division occurs and I phase represents the phase between two successive M phases. (ii) In the 24 hours average duration of cell cycle of a human cell, cell division proper lasts for only about an hour. (iii) M phase constitutes more than 95% of the duration of cell cycle.

Read the following statements about cell division and select the correct ones. (i) M phase represents the phase when actual cell division occurs and I phase represetns the phase between two successive M phases. (ii) In the 24 hours average duration of cell cycle of a human cell, cell division proper lasts for only about an hour. (iii) M phase constitutes more than 95% of the duration of cell cycle.

Read the following statements about cell division and select the correct ones. (i) M phase represents the phase when actual cell division occurs and I phase represetns the phase between two successive M phases. (ii) In the 24 hours average duration of cell cycle of a human cell, cell division proper lasts for only about an hour. (iii) M phase constitutes more than 95% of the duration of cell cycle.

Read the following statements about menstrual cycle and select two correct statements. (i) Lack of menstruation may be indicative of pregnancy. (ii) The changes in the ovary and the uterus are induced by changes in the levels of ovarian hormones only. (iii) LH surge induces ovulation. (iv) If fertilization occurs, corpus luteum degenerates immediately