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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
*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.
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