Which hormone is the immediate cause of ovulation?
1. FSH
2. progesterone
3. estrogen
4. LH
The number of chromosomes in mature sperm would be:
1. 1
2. 2
3. 23
4. 46
An organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg is called as:
1. | nebenkern | 2. | manchette |
3. | head | 4. | acrosome |
Largest amongst the following would be:
1. spermatid
2. mature egg cell
3. polar body
4. secondary spermatocyte
Identify the source of testosterone in males:
1. seminiferous tubules
2. epididymis
3. Sertoli cells
4. Leydig cells
The major contributor to the seminal plasma is/are:
1. seminal vesicles
2. prostate gland
3. bulbourethral gland
4. seminiferous tubules
Which endometrial stage corresponds to the follicular phase of the menstrual cycle?
1. | proliferative | 2. | luteal |
3. | secretory | 4. | menstruation |
To inhibit ovulation, the corpus luteum secretes:
1. inhibin
2. activin
3. estrogen
4. progesterone
Just before the endometrium is shed during menstruation:
1. blood levels of estrogen and progesterone decrease.
2. blood levels of estrogen and progesterone increase.
3. the corpus luteum gets fully developed.
4. ovulation occurs.
Blastocyst gets implanted on the:
1. myometrium
2. perimetrium
3. endometrium
4. wall of the oviduct