Ovaries

Q.

Write two major functions each of testis and ovary.

Q.

Draw a labelled diagram of a section through ovary.

Q.

Which is the longest part of the male reproductive system, , , ?

Q.

What hormone is secreted by the ovaries?

Q. Name the protective covering of testes from outermost to the innermost.
A.Tunica albuginea, B. Tunica vasculosa, C.Tunica vaginalis

1. A ➨ B ➨ C
2. C ➨ B ➨ A
3. B ➨ C ➨ A
4. C ➨ A ➨ B

Q.

Which one of the following is the correct matching of events occurring during the menstrual cycle?

1. Secretory phase – Development of corpus luteum and increased secretion of progesterone

2. Proliferative phase – Rapid regeneration of myometrium and maturation of Graafian follicle

3. Ovulation – LH, and FSH attain peak levels and a sharp fall in the secretion of progesterone

4. Menstruation – Breakdown of myometrium and ovum not fertilized

Q.

What Is Synergids Function?

Q.

Give example(s) of
(a) hyperglycemic hormone and hypoglyce - mic hormone
(b) hypercalcemic hormone
(c) Gonadotropic hormones
(d) Progestational hormone
(e) Blood pressure lowering hormone
(f) Androgens and estrogens.

Q.

Sertoli cells are regulated by a pituitary hormone known as

1. FSH

2. LH

3. Prolactin

4. GH

Q.

What is a mature follicle size?

Q. (a) Draw the sectional view of a seminiferous tubule of human. Label its any six parts.

(b) Name the pitutary hormones involved in the process of spermatogenesis. State their functions. [5 marks]

Q.

Are hormones always proteins?

Q. Which part of ovule stores abundant food reserves?

1. Chalaza
2. Integument
3. Funicle
4. Nucellus

Q.

Write short notes on the function of the following hormones:
(a) Parathyroid hormones (PTH)
(b) Thyroid hormones
(c) thymosin
(d) Androgens
(e) Estrogens
(f) Insulin and glucagon.

Q. Where exactly is the filiform apparatus present in the embryo-sac of an angiosperm? State its function. [2 Marks]

Q. Select the correct sequence which represents the various stages of follicular development?

1. Primordial follicle → Primary follicle → Secondary follicle → Tertiary follicle → Graafian follicle
2. Primordial follicle → Graafian follicle → Secondary follicle → Tertiary follicle → Primary follicle
3. Primordial follicle → Primary follicle → Graafiann follicle → Tertiary follicle → Graafian follicle
4. Graafian follicle → Primordial follicle → Secondary follicle → Tertiary follicle → Primary follicle

Q.

Which hormone not secreted by placenta? Ans:HCG.......and

Which of the following hormone produced by human placenta?Ans:HCG, HPl, Progesterone................. Among these two questions which one is correct answer?

Q.

Which Cell Types Produce Testosterone?

Q. Match the following columns and select the correct option:

Column - I	Column - II
(a) Ovary	(i) Human chorionic gonadotropin
(b) Placenta	(ii) Estrogen & Progesterone
(c) Corpus luteum	(iii) Androgens
(d) Leydig cells	(iv) Progesterone only

1. $\left(a\right)-\left(iv\right),\left(b\right)-\left(iii\right),\left(c\right)-\left(ii\right),\left(d\right)-\left(i\right)$
2. $\left(a\right)-\left(i\right),\left(b\right)-\left(ii\right),\left(c\right)-\left(iii\right),\left(d\right)-\left(iv\right)$
3. $\left(a\right)-\left(i\right),\left(b\right)-\left(iii\right),\left(c\right)-\left(ii\right),\left(d\right)-\left(iv\right)$
4. $\left(a\right)-\left(ii\right),\left(b\right)-\left(i\right),\left(c\right)-\left(iv\right),\left(d\right)-\left(iii\right)$

Q. Antrum is found in:

1. primary follicle
2. secondary follicle
3. tertiary follicle
4. none of these

Q.

What stimulates interstitial cells to produce testosterone?

Q.

In MOET, a hormone is injected into a cow so as to induce follicular maturation and superovulation. This hormone has ______ like activity.

1. progesterone
2. testosterone
3. estrogen
4. FSH

Q.

Describe the secondary follicle briefly?

Q. Which of the following is not composed of epithelial cells?

1. Endometrium
2. Oviducal mucosa
3. Outermost layer of ovary
4. Tunica albuginea

Q. ________ is present inside the Graafian follicle.

1. Primary oocyte
2. Secondary oocyte
3. Ovum
4. Tunica albuginea

Q.

Compared to a bull, a bullock is docile because of?

1. High levels of testosterone

2. Low levels of testosterone

3. High levels of thyroxine

4. High level of cortisone.

Q. Which among the following secretions of the Sertoli cells helps in the regression of the development of female accessory ducts in male?
1. Androgen binding protein
2. Inhibin
3. Anti-mullerian hormone

1. 1 only
   
2. 1 and 2 only
3. 2 and 3 only
4. 3 only

Q.

What is atresia?

Q.

What is a mature follicle size?

Q. Granulosa layers being important layers that surround the follicle, when present around the follicles with a large central cavity, ruptures and releases secondary oocyte. This structure is called _________.

1. primary follicle
2. secondary follicle
3. tertiary follicle
4. Graafian follicle