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Oogenesis (AIPVT)

Description: polar bodies ovum Embryogenesis
Number of Questions: 15
Created by:
Tags: polar bodies ovum Embryogenesis
Attempted 0/15 Correct 0 Score 0

After the mitotic cell division of oogonia stops, what are the cells formed known as?

  1. Follicle cells

  2. Primary oocytes

  3. Oocytes

  4. Oospores


Correct Option: C
Explanation:

After the mitotic cell division of oogonia stops, the cells formed are known as oocytes.

The mitotic division of oogonia leads to the formation of

  1. oocytes

  2. ovigerous cords

  3. p-oocyte

  4. follicle cells


Correct Option: B
Explanation:

Oogonia divides by repeated mitotic divisions.

What does yolk contain?

  1. Carbohydrates and fats

  2. Water

  3. Proteins and carbohydrates

  4. Proteins, fats and glycogen


Correct Option: D
Explanation:

Yolk contains proteins and fats along with traces of glycogen.

Which of the following events takes place during the growth phase of oogenesis?

  1. Formation of primary oocyte

  2. The maturation divisions of nucleus of oocyte

  3. Increase in size of primary oocyte

  4. Formation of polar bodies


Correct Option: C
Explanation:

Primary oocyte increases in size during the growth phase.

Where does the synthesis of yolk take place?

  1. Spleen

  2. Ovary

  3. Liver

  4. Uterus


Correct Option: C
Explanation:

Yolk is synthesised in the liver of females.

Directions: Choose the correct option regarding the following statements.

A. The primary oocyte enters the growth phase. B. Primary oocyte provides nutrients to the developing ovum.

  1. Both the statements A and B are true.

  2. A is true, but B is false.

  3. B is true, but A is false.

  4. Both the statements A and B are false.


Correct Option: B
Explanation:

The primary oocyte enters the growth phase and develops into an ovum.

Vitelline membrane is found in the ovum of

  1. fishes

  2. birds

  3. humans

  4. primates


Correct Option: B
Explanation:

Vitelline membrane is found in the ovum of birds.

How many polar bodies are produced in oogenesis?

  1. 4

  2. 2

  3. 1

  4. 3


Correct Option: D
Explanation:

There are 3 polar bodies produced in the process of oogenesis.

The primary egg membrane of mammals is known as

  1. chorion

  2. vitelline membrane

  3. zona pellucida

  4. plasmalemma


Correct Option: C
Explanation:

The primary egg membrane in mammals is called zona pellucida.

What does animal pole contain?

  1. Yolk

  2. Egg pro-nucleus

  3. Vacuole

  4. Cytoplasm


Correct Option: B
Explanation:

Egg pro-nucleus with cytoplasm is present at animal pole.

What is the transformation of primordial follicles into primary oocyte called?

  1. Oocytogenesis

  2. Ootidogenesis

  3. Oogenesis

  4. Folliculogenesis


Correct Option: A
Explanation:

The transformation of primordial follicles into primary oocyte is called oocytogenesis.

Which of the following statements about polar bodies is false?

  1. They are very small.

  2. They have very little or no cytoplasm.

  3. They are diploid.

  4. They undergo apoptosis.


Correct Option: C
Explanation:

Polar bodies are haploid.

Which of the following is used in Preimplantation Genetic Screening (PGS)?

  1. Oocyte

  2. Sperm

  3. Polar body

  4. Embryo


Correct Option: C
Explanation:

Polar bodies are used to check viability and pregnancy chances of the oocyte.

Only meiosis takes place in

  1. oocytogenesis

  2. ootidogenesis

  3. folliculogenesis

  4. oogenesis


Correct Option: B
Explanation:

Meiosis takes place in ootidogenesis.

When an egg is released from the ovary, it contains

  1. 1X chromosome

  2. 1Y chromosome

  3. 2X chromosomes

  4. 1X and 1Y chromosomes


Correct Option: C
Explanation:

Egg contains 2X chromosomes.

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