How many of the given statements are true?
1. Pars nervosa stores and releases two hormones called oxytocin and vasopressin.
II. Melatonin influences the menstrual cycle.
III. Calcitonin stimulates reabsorption of `Ca^(2+)` by the renal tubules.
IV. After ovulation, the ruptured follicle is converted to macula lutea.

How many of the given statements are incorrect ? I. The cavity of the cervix is called cervical canal which along with vagina forms the birth canal. II. Spermatogenesis starts at the age of puberty. III. At puberty, only 60,000-80,000 primary follicles are left in female body. IV. In the early phase of pregnancy, a hormone called relaxin is also secreted by the ovary.

How many of the given statements are incorrect ? I. The cavity of the cervix is called cervical canal which along with vagina forms the birth canal. II. Spermatogenesis starts at the age of puberty. III. At puberty, only 60,000-80,000 primary follicles are left in female body. IV. In the early phase of pregnancy, a hormone called relaxin is also secreted by the ovary.

Read the following statements and find out the incorrect statements. a.Adenohypophysis consists of two portions, pars distalis and pars intermedia. However, in humans, the pars intermedia is almost merged with pars distalis. b. The pars distalis is called anterior pituitary and pars intermedia called posterior pituitary. c. Neurohypophysis is called a pars nervosa and store and release two hormones called oxytocin and vasopressin (ADH). d. Anterior pituitary releases 9 hormones and pars intermedia releases only one hormone (MSH). e. Pars distaliss produces GH, PRL, TSH, ACTH, LH and F SH.

(a) The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow : (i) Name the parts '1' and '5' indicated by guidelines. (ii) What term is given to the period of development of the foetus in the womb ? (iii) How many days does the foetus take to be fully developed ? (iv) Mention two functions of the part labelled 2 other than its endocrine function. (v) Name the hormone (any one) produce by the part labelled 2 (vi) What is the function of the part marked 3 ? (b) Give the exact location of amnion. [ICSE 2011, 2014]

Read the following statements carefully. (1) Female external genitalia include labia majora , labia minora , clitoris , vagina, and hymen . (2) In female, at puberty , both ovaries contain about 60,000-80,000 primary follicles . (3) The progesterone hormone concentration remains high prior to ovulation in the follicular phase of the follicular phase of the menstrual cycle . (4) The second meiotic division of secondary oocyte is completed inside ovary only after the entry of sperm. How many from the above are incorrect statements ?

Read the following statements carefully. (1) Female external genitalia include labia majora , labia minora , clitoris , vagina, and hymen . (2) In female, at puberty , both ovaries contain about 60,000-80,000 primary follicles . (3) The progesterone hormone concentration remains high prior to ovulation in the follicular phase of the follicular phase of the menstrual cycle . (4) The second meiotic division of secondary oocyte is completed inside ovary only after the entry of sperm. How many from the above are incorrect statements ?