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

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

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

■lesson-3 human reproduction and MCQs test sample-9 in biology

■subtopics:- placentation

■introduction :- MCQ test sample of 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.MCQ test sample of biology

MCQs type questions from human reproduction placenta

*In this post :- we provide you MCQs test sample-9 in biology, MCQs test sample with answer from the lesson 3 human reproduction .biologysir.com

Multiple choice question for neet biology

1) mechanical and physiological connection between foetal and maternal tissue is

A) implantation
B) chorion
C) placenta
D) amnion

Ans. C

2) finger like outgrowth in surface of blastocytes

A) implantation
B) chorion
C) placenta
D) chorionic villi

Ans. D

3) types of placenta in human female is

A) metadiscoidal
B) allantoic placenta
C) yolk sac placenta
D) diffused type

Ans. A

4) human Placenta is which of the following

A) implantation
B) chorion
C) placenta
D) chorionic and metadiscoidal

Ans. D

5) histological basis the human female Placenta is

A) implantation
B) chorion
C) haemochorial placenta
D) amnion

Ans. C

6) the part of placenta contributed by the foetus is called as

A) foetal placenta
B) maternal placenta
C) both A and B
D) none

Ans. A

7) the part of placenta contributed by the mother is known as

A) foetal placenta
B) maternal placenta
C) both A and B
D) none

Ans. B

8) HCG hormone is secreted by which of the following

A) testes
B) ovary
C) placenta
D) none

Ans. C

9) HPL hormone secreted by which of the following

A) testes
B) ovary
C) placenta
D) none

Ans. C

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10) relaxin is secreted by which of the following

A) testes
B) ovary
C) placenta
D) none

Ans. C

11) the type of placenta found in marsupial

A) yolk sac placenta
B) allantoic placenta
C) chorionic placenta
D) none

Ans. A

12) the type of placenta found in most of eutherian is

A) yolk sac placenta
B) allantoic placenta
C) chorionic placenta
D) none

Ans. B

13) the type of placenta found in primates

A) yolk sac placenta
B) allantoic placenta
C) chorionic placenta
D) none

Ans. C

14) the type of placenta found in horse and ass is

A) epitheliochorial
B) syndesmochorial
C) endotheliochorial
D) haemochorial

Ans. A

15) the type of Placenta found in cow ,sheep,goat and camel

A) epitheliochorial
B) syndesmochorial
C) endotheliochorial
D) haemochorial

Ans. B

16) the type of placenta found in dog cat lion and tiger is

A) epitheliochorial
B) syndesmochorial
C) endotheliochorial
D) haemochorial

Ans. C

17) the type of placenta found in in monkey apps and human female

A) epitheliochorial
B) syndesmochorial
C) endotheliochorial
D) haemochorial

Ans. D

18) the type of placenta found in rabbit is

A) epitheliochorial
B) syndesmochorial
C) endotheliochorial
D) haemoendothelial

Ans. D

18) the type of placenta of found in horse is

A) diffused
B) cotyledonary
C) intermediate
D) zonary

Ans. A

19) the type of placenta found in cows and goat,sheep is

A) diffused
B) cotyledonary
C) intermediate
D) zonary

Ans. B

20) the type of placenta found in camel is

A) diffused
B) cotyledonary
C) intermediate
D) zonary

Ans. C

21) the type of placenta found in elephant

A) diffused
B) cotyledonary
C) intermediate
D) zonary

Ans. D

22) the type of placenta found in bats

A) diffused
B) cotyledonary
C) intermediate
D) discoidal

Ans. D

23) the type of placenta found in primates

A) diffused
B) cotyledonary
C) intermediate
D) metadiscoidal

Ans. D

24) maternal tissue is known as which of the following

A) decidua
B) discoidal
C) both A and B
D) none

Ans. A

25) some maternal tissue goes out at the time of parturition is called as

A) deciduate placenta
B) non-deciduate placenta
C) contra-deciduate placenta
D) none

Ans. A

26) no decidua goes out at the time of parturition is

A) deciduate placenta
B) non-deciduate placenta
C) contra-deciduate placenta
D) none

Ans. B

27) foetal placental layers are retained in uterus and absorb is

A) deciduate placenta
B) non-deciduate placenta
C) contra-deciduate placenta
D) none

Ans. C

28) underdeveloped and helpless young born is called which of following

A) nidiculous
B) nidifugous
C) both A and B
D) none

Ans. A

29) fully developed and independent young born is

A) nidiculous
B) nidifugous
C) both A and B
D) none

Ans. B

30) pregnancy period in human female is

A) 280 days
B) 270 days
C) 272 days
D) none

Ans. A

31) gestation period in female rabbit is

A) 40 days
B) 30 days
C) 50 days
D) none

Ans. B

32) gestation period in elephant is

A) 22 months
B) 20 months
C) 24 months
D) none

Ans. A

33) retrogressive metamorphosis is found in which animal

A) frog
B) herdmania
C) both A and B
D) none

Ans. B

34) progressive metamorphosis is found in which animal

A) frog
B) herdmania
C) both A and B
D) none

Ans. A

35) what is abortion

A) loss of embryo
B) development of embryo
C) transfer of embryo
D) none

Ans. A