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Test: Oogenesis - NEET MCQ


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25 Questions MCQ Test Biology Class 12 - Test: Oogenesis

Test: Oogenesis for NEET 2024 is part of Biology Class 12 preparation. The Test: Oogenesis questions and answers have been prepared according to the NEET exam syllabus.The Test: Oogenesis MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Oogenesis below.
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Test: Oogenesis - Question 1

During oogenesis, each diploid cell produces:

Detailed Solution for Test: Oogenesis - Question 1
  • In human females, certain cells in the germinal epithelium divide by mitosis to produce a large number of oogonia (diploid).
  • The oogonia multiply by mitotic divisions to form primary oocytes (diploid). Each primary oocyte undergoes two maturation divisions.
  • In the first meiotic division, the primary oocyte divides into two very unequal haploid daughter cells- a large secondary oocyte and a small first polar body.
  • In the second maturation division (mitotic), the first polar body may divide to form two second polar bodies and the secondary oocyte divides to form two unequal daughter cells, a large ootid, and a small polar body.
  • The ootid grows into a haploid ovum. Thus, from one oogonium, one ovum and three polar bodies are formed.
Test: Oogenesis - Question 2

Oogenesis is the process in the ovary that results in the production of female gametes. Which statement about oogenesis in humans is FALSE?

Detailed Solution for Test: Oogenesis - Question 2
  • The first menstruation begins at puberty and is called menarche.
  • Oogenesis continues till the time the ovarian follicles are receptive to hormones like FSH and oestrogen.
  • And it stops around the age of 50 years known as menopause.
Test: Oogenesis - Question 3

The ovum in the stroma of the mammalian ovary is enclosed in a perforated membrane. It is:

Detailed Solution for Test: Oogenesis - Question 3

Zona pellucida is a thick, transparent, noncellular membrane that encloses a mammalian ovum.

Female egg structure:
36 BEST "Zona Pellucida" IMAGES, STOCK PHOTOS & VECTORS | Adobe Stock

Test: Oogenesis - Question 4

The first polar body:

Detailed Solution for Test: Oogenesis - Question 4

The tertiary follicle grows in size and completes its first meiotic division. It is an unequal division resulting in the formation of a large haploid secondary oocyte and a tiny first polar body.

Test: Oogenesis - Question 5

The function of the corpus luteum is to:

Detailed Solution for Test: Oogenesis - Question 5

The Corpus luteum produces progesterone and a small amount of estrogen.

The ovarian cycle and the formation of the Corpus Luteum:
Corpus Luteum - an overview | ScienceDirect Topics

Test: Oogenesis - Question 6

Ovum is released from the ovary:

Detailed Solution for Test: Oogenesis - Question 6

The secondary oocyte forms a new membrane called zona pellucida surrounding it. The Graafian follicle ruptures to release the secondary oocyte(ovum) from the ovary by the process called ovulation.

Test: Oogenesis - Question 7

During growth and differentiation of oogenesis, the nucleus of primary oocytes remains in:

Detailed Solution for Test: Oogenesis - Question 7

These cells start division and enter into Diplotene of prophase-I of the meiotic division and get temporarily arrested at that stage, called primary oocytes.

Test: Oogenesis - Question 8

What is the stage of the cell cycle at which primary oocytes are arrested?

Detailed Solution for Test: Oogenesis - Question 8
  • Oogonia are formed during fetal development.
  • Soon they start undergoing meiosis but are arrested at Prophase I awaiting further cues of division.
  • Oogonia at this stage are called primary oocytes.
Test: Oogenesis - Question 9

Ovulation is triggered by the increase of:

Detailed Solution for Test: Oogenesis - Question 9

In women luteinizing hormone stimulates the last stage of oogenesis, ovulation, development of corpus luteum. Ovulation is controlled by the increased level of LH in the blood.

Test: Oogenesis - Question 10

The female hormone that causes deposition of fat in the breasts and hips, as well as growth of pubic hair, during puberty is:

Detailed Solution for Test: Oogenesis - Question 10

Estrogen release from follicle is responsible for development of secondary sexual character.

Test: Oogenesis - Question 11

In the absence of pregnancy, corpus luteum:

Detailed Solution for Test: Oogenesis - Question 11

Without pregnancy or fertilization corpus luteum get degenerated as level of LH decrease.

Test: Oogenesis - Question 12

A human female has the maximum number of primary oocytes in her ovaries:

Detailed Solution for Test: Oogenesis - Question 12

Oogenesis is initiated during the embryonic development stage when a couple of million gamete mother cells (oogonia) are formed within each fetal ovary; no more oogonia are formed and added after birth.

Test: Oogenesis - Question 13

Which of the following present in foetal ovary, not adult:

Detailed Solution for Test: Oogenesis - Question 13

Oogenesis is initiated during the embryonic development stage when a couple of million gamete mother cells (oogonia) are formed within each fetal ovary.

Test: Oogenesis - Question 14

Which of the following is haploid:

Detailed Solution for Test: Oogenesis - Question 14

Secondary spermatocytes & sec. Oocytes both are product of meiosis I and haploid.

Test: Oogenesis - Question 15

Number of eggs released in the lifetime of a woman is approximately:

Detailed Solution for Test: Oogenesis - Question 15
  • When a woman is born there are usually one million eggs in each ovary and one egg will be released, when she ovulates every month during her menstrual cycle, which is approximately 400-500 eggs over her lifetime.
  • As a woman gets older the rest of the eggs disappear, break down or deteriorate and by the time she reaches menopause, there are no eggs left.
Test: Oogenesis - Question 16

Antrum is filled with fluid and is found in:

Detailed Solution for Test: Oogenesis - Question 16
  • During oogenesis, each primary oocyte gets surrounded by a layer of granulosa cells and then called the primary follicle.
  • The primary follicles get surrounded by more layers of granulosa cells and a new theca and called secondary follicles.
  • The secondary follicle soon transforms into a mature tertiary follicle or Graafian follicle, which is characterized by a fluid-filled cavity, called an antrum.

Chapter 3 Human Reproduction - NCERT Solutions for Class 10 Biology  Maharashtra - TopperLearning

Test: Oogenesis - Question 17

One of the following is the Glycoprotein layer:

Detailed Solution for Test: Oogenesis - Question 17

Zona pellucida is made up of glycoprotein.

Test: Oogenesis - Question 18

Graffian follicle is found in:

Detailed Solution for Test: Oogenesis - Question 18

Graffian follicle form before ovulation.

Test: Oogenesis - Question 19

The endocrine structure formed after ovulation (release of ovum from graafian follicle) is:

Detailed Solution for Test: Oogenesis - Question 19

Corpus luteum is temporary endocrine structure form in ovary.

Test: Oogenesis - Question 20

Which of the following is the correct set of ploidy and cell type?

Detailed Solution for Test: Oogenesis - Question 20
  • The diploid oogonium goes through the first round of meiosis to form primary oocyte, which is arrested at Prophase I.
  • Thus, the primary oocyte is also diploid.
  • The division is completed after the formation of the secondary oocyte, which is haploid.
  • The secondary oocyte undergoes another round of meiosis to form haploid ovum.
Test: Oogenesis - Question 21

In a 30-year-old lady, eggs are released in form of:

Detailed Solution for Test: Oogenesis - Question 21

In all female between age of puberty till 50, all egg is released in form of secondary oocyte

Test: Oogenesis - Question 22

Corpus luteum develops from:

Detailed Solution for Test: Oogenesis - Question 22

The tertiary follicle further changes into the mature follicle or Graafian follicle The secondary oocyte forms a new membrane called zona pellucida surrounding it. The Graafian follicle now ruptures to release the secondary oocyte (ovum) from the ovary by the process called ovulation.

Test: Oogenesis - Question 23

In case of non fertilization, corpus luteum                              

Detailed Solution for Test: Oogenesis - Question 23

Explanation In case of non fertilization, corpus luteum Changes to corpus albicans and not produce progesterone.

Test: Oogenesis - Question 24

Antrum is cavity for:

Detailed Solution for Test: Oogenesis - Question 24

The tertiary follicle further changes into the mature follicle or Graafian follicle. The secondary oocyte forms a new membrane called zona pellucida surrounding it.

Test: Oogenesis - Question 25

Which part of ovary in mammals acts as an endocrine gland after ovulation?

Detailed Solution for Test: Oogenesis - Question 25

Corpus luteum have endocrine role develp after ovulation.

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