MCQ test sample for biology for class 12th-CBSE-JAC exams

MCQ test sample for biology for class 12th-CBSE-JAC exams

Hi guys in this article we know about MCQ test sample for biology for class 12th

■lesson-3 human reproduction and MCQs test sample-8 in biology

■subtopics:- human sperm

■introduction :- MCQ test sample for biology ,students might be busy in your preparation for coming CBSE ,12th board Jharkhand academic Council exams and other state board exam biologysir.com will provide many type of education material like fill in the blanks, true or false matching type questions ,multiple choice questions, very short questions answers type, short questions answer type and long questions type of 12th class Biology from each topic that help you in your preparation.MCQs test sample-7 in biology

*In this post :- we provide you MCQs test sample-8 in biology, MCQs test sample with answer from the lesson 3 human reproduction .biologysir.com

Multiple choice questions for neet exam

1) which of following is haploid male gamete

A) seminiferous tubules
B) sperm
C) testes
D) ovule

Ans. B

Q2) mammalian sperm is

A) flagellated
B) non flagellated
C) both A and B
D) none

Ans. A

3) the structure having small cap like pointed structure present at the tip of sperm nucleus is called as

A) seminiferous tubules
B) acrosome
C) middle piece
D) ovule

4) acrosome is made from

A) Golgi body of spermatid
B) mitochondria
C) seminiferous tubules
D) ovule

Ans. A

5) which enzyme is produced from acrosome

A) hyaluronidase
B) estrogen
C) progesterone
D) pepsin

Ans. A

6) which enzyme helps the sperm in preparation inside the ovum

A) hyaluronidase
B) estrogen
C) progesterone
D) pepsin

Ans. A

7) sperm of nucleus is

A) vertical and oval
B) horizontal and oval
C) basal and oval
D) flat and oval

Ans. D

8) acrosome and interior of nucleus is covered by

A) plasma membrane
B) galea
C) cell wall
D) manchette

Ans. B

9) genetic information and DNA material is found in which part of a sperm

A) nucleus
B) Head
C) middle piece
D) neck

Ans. B

10) smallest part of spermatozoa

A) tail
B) Head
C) middle piece
D) neck

Ans. D

MCQs test sample-8 in biology for class 12th-CBSE-JAC exams

■lesson-3 human reproduction and MCQs test sample-8 in biology

■subtopics:- human sperm

11) neck is formed of which centriole

A) distal centriole
B) proximal centriole
C) both proximal centriole and distal centriole
D) none

Ans. C

12) to Centriole of spematozoa is developed from

A) Golgi body of a spermatid
B) Centrosome of a spermatid
C) mitochondria of a spermatid
D) none

Ans. B

13) microtubular triplet structure arrangement in centriole is

A) 9+0
B) 9+1
C) 9+2
D) 9+12

Ans. A

14) digital Centriole act as basal body and give rise to which structure of sperm tail

A) axoneme
B) tail
C) centrosome
D) none

Ans. A

15) shape of middle piece in human sperm

A) rectangular
B) square
C) hexagonal
D) cylindrical

Ans. D

16) middle piece of human sperm contain mainly

A) Golgi body
B) ribosome
C) mitochondria
D) none

Ans. C

17) which part of human spermatozoa is known as powerhouse of the sperm

A) head
B) neck
C) middle piece
D) tail

Ans. C

18) posterior half of nucleus neck and Middle piece of sperm are covered by which sheath

A) manchette
B) galea
C) both
D) none

Ans. A

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19) longest part of human sperm is

A) head
B) neck
C) middle piece
D) tail

Ans. D

20) central part of tail is known as

A) axoneme
B) protoplasmic sheath
C) ring centriole
D) none

Ans. A

21) micro tubules arrangements in axoneme is

A) 9+0
B) 9+1
C) 9+2
D) 9+12

Ans. C

22) which centriole is present at the junction of middle piece and the flagellum

A) distal centriole
B) proximal centriole
C) ring centriole
D) none

Ans. C

23) viability time of human sperm is about

A) 12 hours
B) 24 hours
C) 2 days
D) 3 days

Ans. B

24) chromosome material present in

A) nucleus
B) middle piece
C) neck
D) none

Ans. A

25) which part of sperm enters inside the ovum only

A) neck
B) head
C) tail
D) middle piece

Ans. B

Note:- human sperm have four parts
A) head
B) neck
C middle piece
D) tail

◆ acrosome develop from Golgi body of a spermatid
◆ to centriole is developed from Centrosome of a spermatid