Which one of the following menstrual irregularities is correctly matched?

(a)

Menorrhagia - excessive

(b)

Amenorrhoea - absence of menstruation

(c)

Dysmenorrhoea - irregularity of menstruation

(d)

Oligomenorrhoea - painful menstruation

Find the wrongly matched pair.

(a)

Bleeding phase- fall in oestrogen and progesterone

(b)

Follicular phase-rise in oestrogen

(c)

Luteal phase - rise in FSH level

(d)

Ovulatory phase - LH surge

Assertion(A): In human male, testes are extra abdominal and lie in scrotal sacs.
Reason(R): Scrotum acts as thermoregulator and keeps temperature lower by 2^oC for normal sperm production.
Codes:
(a) A and R are true, R is the correct explanation of A
(b) A and R are true, R is not the correct explanation of A
(c)  A is true, R is false
(d) Both A and R are false

(a)

A and R are true, R is the correct explanation of A

(b)

A and R are true, R is not the correct explanation of A

(c)

A is true, R is false

(d)

Both A and R are false

Assertion(A): Ovulation is the release of ovum from the Graafian follicle.
Reason(R): It occurs during the follicular phase of the menstrual cycle.
Codes:
(a) A and R are true, R is the correct explanation of A
(b) A and R are true, R is not the correct explanation of A
(c)  A is true, R is false
(d) Both A and R are false

(a)

A and R are true, R is the correct explanation of A

(b)

A and R are true, R is not the correct explanation of A

(c)

A is true, R is false

(d)

Both A and R are false

Assertion(A): Head of the sperm consists of acrosome and mitochondria.
Reason(R): Acrosome contains spiral rows of mitochondria.
Codes:
(a) A and R are true, R is the correct explanation of A.
(b) A and R are true, R is not the correct explanation of A.
(c)  A is true, R is false.
(d) Both A and R are false.

(a)

A and R are true, R is the correct explanation of A

(b)

A and R are true, R is not the correct explanation of A

(c)

A is true, R is false

(d)

Both A and R are false