MCQ test sample in biology for class 12th-CBSE-JAC exam

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

Hi guys Hindi article know about MCQ test sample in biology for class 12th CBSE board examination

■lesson-3 human reproduction

■subtopics:- human reproductive system

■introduction :- MCQ test sample in 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

MCQ test sample in biology for class 12th-CBSE-JAC exam

MCQ test sample in biology for class 12th-CBSE-JAC exam

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

Multiple choice questions for neet biology

1) primary sex organ of female

A) testes
B) ovary
C) scrotal sac
D) ovum

Ans. B

2) The pick of sexual excitement is called as which of following

A) copulation
B) coitus
C) orgasm
D) insemination

Ans. C

3) shape of ovary is

A) almond
B) coconut
C) mango
D) banana

Ans. A

4) ovary is attached to uterus by which structure

A) testes
B) mesovarium
C) scrotal sac
D) ovarian ligament

Ans. D

5) ovary is internally lined with

A) outer epithelium
B) basal epithelium
C) secratary epithelium
D) germinal epithelium

Ans. D

6) reproduction in larval stage is called

A) paedogenesis
B) neoteny
C) parthenogenesis
D) parthenocarpy

Ans. A

7) implantation takes place in the uterus after how many days of fertilization

A) 7 days
B) 1 days
C) 10 days
D) 14 days

Ans. A

8) failure of Descent of testis in scrotum is known as

A) vasectomy
B) cryptorchidism
C) impotency
D) tubectomy

Ans. B

Implantation

9) the process of attachment of the blastocyst to the endometrium of uterus is known as which of following

A) insemination
B) ovulation
C) implantation
D) zyogote

Ans. C

10) in which stage of embryo attached to endometrium of uterus

A) morula
B) blastula
C) gastrula
D) none

Ans. B

11) trophoblast is develop from which stage

A) inner layer of morula
B) outer layer of morula
C) superficial layer of blastula
D) inner layer of blastula

Ans. C

12) type of implantation in human female

A) interstitial type
B) central type
C) eccentric type
D) none

Ans. A

13) which is a following is called as little Mulberry

A) blastula
B) morula
C) gastrula
D) none

Ans. B

Q14) which of following is solid ball

A) blastula
B) morula
C) gastrula
D) none

Ans. B

Q15) which of following is Hollow larvae with blastocoel

A) blastula
B) morula
C) gastrula
D) none

Ans. A

Q16) outer nutritive layer of blastula is known as

A) blastula
B) morula
C) trophoblast
D) embryonal knob

Ans. C

Q17) inner cell mass of trophoblast is known as

A) blastula
B) morula
C) trophoblast
D) embronal knob

Ans. D

Role of hormone oestrogen progesterone LH and FSH

18) the hormone estrogen is mainly secreted by

A) follicles of ovary
B) Corpus luteum
C) Graafian follicles
D) none

Ans. A

19) secretion of estrogen hormone is stimulated by

A) LH
B) FSH
C) LH and FSH
D) none

Ans. B

20) FSH hormone is secreted by which glands

A) hypothalamus
B) posterior pituitary glands
C) anterior pituitary glands
D) none

Ans. C

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21) stimulation of oestrogen hormone by the FSH hormone occurs which day of pregnancy

A) 1 days
B) 2 days
C) 3 days
D) 4 days

Ans. D

22) which of the following is yellow coloured endocrine gland

A) Graafian follicles
B) Corpus albicans
C) Corpus luteum
D) none

Ans. C

23) progesterone hormone is secreted by which glands

A) Graafian follicles
B) Corpus albicans
C) Corpus luteum
D) none

Ans. C

24) Corpus luteum formed from

A) Graafian follicles
B) Corpus albicans
C) empty Graafian follicle
D) none

Ans. C

25) secretion of progesterone is stimulated by which hormone

A) LH
B) FSH
C) LH and FSH
D) none

Ans. A

26) luteinizing hormone (LH)is secreted by which glands

A) anterior lobe of pituitary glands
B) posterior lobe of pituitary gland
C) Corpus luteum
D) none

Ans. A

27) which hormone is responsible for implantation

A) progesterone
B) estrogen
C) LH
D) none

Ans. A

28) which hormone helps in Placenta formation and normal development of foetus in the uterus

A) progesterone
B) estrogen
C) LH
D) none

Ans. A

29) sexual attraction towards male in female is caused due to which hormone

A) progesterone
B) estrogen
C) LH
D) FSH

Ans. B

Embryo development

30) the process in which blastocyst change into gastrula with three primary germ layer is known as

A) morula
B) blastula
C) gastrulation
D) none

Ans. C

31) lower surface of embryonal knob detaches to form which layer of gastrula

A) endoderm
B) mesoderm
C) ectoderm
D) none

Ans. A

32) midgut is development from

A) endoderm
B) mesoderm
C) ectoderm
D) none

Ans. A

33) development of muscles from

A) endoderm
B) mesoderm
C) ectoderm
D) none

Ans. B

34) formation of epidermis from

A) endoderm
B) mesoderm
C) ectoderm
D) none

Ans. C

35) amniotic cavity is formed between

A) ectoderm and the trophoblast
B) mesoderm and the trophoblas
C) endoderm and the trophoblast
D ectoderm and mesoderm

Ans. A

36) which provides protection to embryo from mechanical shocks by acting as shock absorber and from dryness

A) yolk sac
B) embryonal knob
C) trophoblast
D) amniotic fluid

Ans. D

Note:-

1) ectoderm:- epidermis, epidermal glands hair ,conjunctiva lens retina internal ear foregut hindgut, CNS, middle and posterior pituitary ,adrenal medulla pineal glands

2) mesoderm:- muscles connective tissue dermis of skin bones and cartilage circulatory system heart blood blood vessels lymphatic system kidney ureter adrenal cortex

3) endoderm:-midgut, bladder lungs liver pancreas thyroid parathyroid thymus anterior pituitary primary germ layer.

About the author

Balram Saw

My name is Balram Saw and by profession, I am a lecturer. I did my masters in M.sc Zoology. On this blog, I share all the information related to biology.

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