General Science/Basic Science Embryology Gametogenesis Sample Test,Sample questions

Question:
.At the end of spermatogenesis each primary spermatocyte gives rise to

1.Only one spermatid

2.Two spermatids

3.Three spermatids

4.Four spermatids


Question:
.Chromosomal reduction during gametogenesis occurs due to the

1.Meiosis

2.Mitosis

3.Non-disjunction

4.Amitosis


Question:
.In Rana pipens the period of growth in oogenesis takes about

1.One year

2.Two year

3.Three year

4.Four year


Question:
.Name the special cells which provide nutrient materials to the matured spermatozoa in the testis

1.Spermatogonia

2.Leydig�s cells

3.Interstitial cells

4.Sertoli cells


Question:
.Sertoli cells are otherwise called

1.Plasma cells

2.Nurse cells

3.Germinal cells

4.Parietal cells


Question:
A complicated process of growth and change converts the spermatid into a

1.Spermatogonia

2.Primary spermatocyte

3.Secondary spermatocyte

4.Function sperm


Question:
Acrosome of sperm is formed by

1.Mitochondria

2.Centriole

3.Golgi bodies

4.Nucleus


Question:
Each centriole in the mature sperm consists of

1.2 central and 9 peripheral fibrils

2.3 central and 6 peripheral fibrils

3.4 central and 5 peripheral fibrils

4.9 central and 2 peripheral fibrils


Question:
Embryology is

1.The study of development of sex cells

2.The study of development of sex organs

3.The study of an individual from the fertilized egg

4.The study of development of plant


Question:
First polar body is formed from

1.Primordial germ cells

2.Oogonia

3.Primary oocyte

4.Secondary oocyte


Question:
From a primary Oocyte

1.One egg is produced

2.Three eggs are produced

3.Four eggs are produced

4.Two eggs are produced


Question:
Gametogenesis is the formation of

1.Gonads

2.Ova

3.Sperms

4.Gametes


Question:
How many ootids are formed in oogenesis

1.Only one

2.Two

3.Three

4.Four


Question:
Lipovitellin is a

1.Lipids

2.Carbohydrates

3.Minerals

4.Proteinaceous substance


Question:
Phosphovitellin and Lipovitellin in the egg yolk are

1.Carbohydrates

2.Lipids

3.Vitamins

4.Proteins


Question:
Spermatozoa get their nourishment from the

1.Nucleus

2.Cytoplasm

3.Sertoli cells

4.Ciliated Epithelium


Question:
Testis is made up of sperm tubules called

1.Malpighian tubules

2.Uriniferous tubules

3.Seminiferous tubules

4.Collecting Seminiferous tubules


Question:
The acrosome is formed from

1.Nucleus

2.Golgi bodies

3.Centrosome

4.Mitochondria


Question:
The cytoplasm surrounding the mitochondria found in the middle piece of the sperm is called

1.Acrosome

2.Centrosome

3.Microsome

4.Manchette


Question:
The function of Sertoli cells is

1.To secrete hormones

2.To help in ejaculation

3.To develop sperms

4.To provide nutrition to developing spermatozoa in the testis


Question:
The length of frog�s sperm ranges about

1.0.01 - 0.02 mm

2.0.01 - 0.03 mm

3.0.02 - 0.03 mm

4.0.03 - 0.04 mm


Question:
The lysine secreted by the acrosome helps in the

1.Activation of sperm

2.Penetration of sperm

3.Clumping of sperm

4.Fertilization of sperm


Question:
The process of transformation of a spermatid into a spermatozoan is called as

1.Spermatogenesis

2.Gametogenesis

3.Spermiogenesis

4.Sperm maturation


Question:
The size of the mature egg ranges from

1.1000 - 2000 �

2.1500 - 2000 �

3.2000 - 2500 �

4.2000 - 3000 �


Question:
The term gametogenesis means the

1.Formation of ovary

2.Formation of testis

3.Formation of gametes

4.Formation of embryo


Question:
The unspecialized germ cells found in the seminiferous tubules are called

1.Primary spermatocytes

2.Secondary spermatocytes

3.Spermatogonia

4.Primordial germ cells


Question:
Which are called sperm mother cells

1.Spermatids

2.Spermatogonia

3.Spermatocytes

4.SPrimordial germ cells


Question:
Which of the following undergoes differentiation process

1.Spermatogonia

2.Primary spermatocyte

3.Secondary spermatocyte

4.Spermatids


Question:
Which one of the following undergo meiotic division

1.Primordial germ cells

2.Spermatogonia

3.Primary spermatocytes

4.Spermatids


Question:
Which part of sperm secretes lysine

1.Nucleus

2.Acrosome

3.Middle piece

4.Tail


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