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12th Standard Zoology - Human Reproduction English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

Published on: 05/11/2020

Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 12th Standard - Biology

chapter: - Model Question paper

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Questions:

Multiple Choice Question

9 x 1 = 9

The finger shaped ______ in the female reproductive system collect the ovum after ovulation.

(a)

Infundibulum

(b)

Fimbriae

(c)

Ampulla

(d)

Isthmus

The _____ cells of the testis are endocrine in nature.

(a)

sertoli

(b)

leydig

(c)

nurse

(d)

spermatogonic

Expulsion of baby from the mother's womb is called _____

(a)

implementation

(b)

parturition

(c)

insemination

(d)

gestation

The transfer of sperms by the male into the female genital tract is called _____

(a)

implantation

(b)

parturition

(c)

insemination

(d)

gastrulation

'Let Down' reflex for lactation is caused by ______

(a)

Prolactin

(b)

Oxytocin

(c)

Lactogenic hormone

(d)

Progesterone

______ is a berry shaped duster of cells.

(a)

Blastula

(b)

Gastrula

(c)

Morula

(d)

Zygote

Spermatid \(\overset { A }{ \rightarrow }\) Spermatozoa what does 'A' stands for?

(a)

Spermatogenesis

(b)

Spermiation

(c)

Spermiogenesis

(d)

Gametogenesis

The Androgen Binding Protein (ABP) is produced by ________.

(a)

Leydig cells

(b)

Hypothalamus

(c)

Sertoli cells

(d)

Pituitary gland

The male sex hormone testosterone is secreted from _____.

(a)

Sertoli cells

(b)

Leydig cell

(c)

Epididymis

(d)

Prostate gland

Assertion and reason

1 x 2 = 2

10.

Assertion(A): Ovulation is the release of ovum from the Graafian follicle.
Reason(R): It occurs during the follicular phase of the menstrual cycle.
Codes:
(a) A and R are true, R is the correct explanation of A
(b) A and R are true, R is not the correct explanation of A
(c) A is true, R is false
(d) Both A and R are false

(a)

A and R are true, R is the correct explanation of A

(b)

A and R are true, R is not the correct explanation of A

(c)

A is true, R is false

(d)

Both A and R are false