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12th Biology Monthly Test - 2 ( Zoology - Human Reproduction )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test - 2 ( Zoology - Human Reproduction )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

The _____ glands are located on the anterior wall of vagina.

Skene's glands
Bartholin's glands
prostate gland
Cowper's gland

The hormone ___________ produced by anterior pituitary plays a major role in lactation.

oxytocin
prolactin
progesteron
oestrogen

The thin ring of tissue that particularly closes the vaginal opening ____

labia majora
hymen
labia minora
clitoris

The mature sperms are stored in the

Seminiferous tubules
Vas deferens
Epididymis
Seminal vesicle

Identify the correct Sequence of reproductive events in human beings.

Insemination, implanatation Fertilization Parturition and Placetation
Implanatation Fertilization, Insemination, Parturition and Placetation
Implanatation, Insemination, Fertilization, Parturition and Placetation
Insemination, Fertilization, Implanatation, Parturition and Placetation

The foetal ejection reflex is also called ____________ reflex.

Ferguson
Let - Down
Braxter - Hicks
Parturition

The _____ cells of the testis are endocrine in nature.

sertoli
leydig
nurse
spermatogonic

Bulbourethral glands are also called ______

prostate gland
Cowper's gland
Skene's glands
Bartholin's glands

The stage where the embryo looks like a fluid filled hollow ball is called ______

trophoblast
morula
gastrula
blastocyst

The glandular accessory organ which produces the largest proportion of semen is

Seminal vesicle
Bulbourethral gland
Prostate gland
Mucous gland

Normal menstrual or ovarion cycle occurs once in ______ days.

28/29
17/18
60/65
58/60

The _____ are modified sweat gland seen in both sexes

Skene's glands
Bartholin's glands
Mammary gland
Cowper's gland

______ is a biochemical event which enables a sperm to fertilize an egg.

Capacitation
Gastrulation
Spermiogenesis
Gametogenesis

Among the extra embryonic membranes the _____ is the outer most membrane.

amnion
chorion
allantois
vitelline membrane

The hormone ___________ brings about powerful contraction of uterine muscles during child birth.

Relaxin
Oestrogen
Progesterone
Oxytocin

Part - B

Generic 2 - Answer All Question

Define Cleavage.

What is orchidectomy?

What are the initiatives taken by' the Government of Tamilnadu to highlight the importance of Breast feeding?

Define spermiogenesis.

Name the types of cells found in seminiferous tubule.
Define Implantation.

What is the function of seminal fluid?

What is known as capacitation of sperm cells?

Part - C

Generic 3 - Answer All Question

What is Relaxin?

Mention the importance of the position of the testes in humans.

What is LH surge?

What is secretory phase of menstrual cycle?

What is polymenorrhoea?

What is Polycystic ovary syndrome (PCOS)?

Why does menstrual flow occur?
What is the role of FSH & LH in spermatogenesis?

Part - D

Generic 5 - Answer All Question

Differentiate Spermatogenesis and oogenesis.

Explain the role of oxytocin and relaxin in parturition and lactation.

Give a schematic representation of spermatogenesis and oogenesis in humans.

Write a note a extra embryonic membranes.

Describe the structure of the human ovum with a neat labelled diagram.

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