EMBRYONIC DEVELOPMENT biology MCQ’s questions answers

 

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EMBRYONIC DEVELOPMENT

Question 1
Neubenkern is part of ..... [KCET 2004]
A
Human ovum
B
Human sperm
C
Foetus
D
Graafian follicle
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Question 2
Gonads/ testes develop from embryonic ..... [CBSE 1990]
A
Ectoderm
B
Endoderm
C
Mesoderm
D
Both mesoderm and endoderm
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Question 3
In development, Eustachian tube is ..... [MPPMT 1990]
A
Ectodermal
B
Mesodermal
C
Endodermal
D
Both mesodermal and endodermal
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Question 4
Layer of blastocyst that gives rise to ectoderm is ..... [MPPMT 1995]
A
Trophectoderm
B
Embryo disc
C
Cnidoblast
D
Amnion
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Question 5
Assertion: From evolutionary point of view, human gestation period is shortening
Reason: A major trend in humans has been larger head undergoing faster growth in foetal stages ..... [AIIMS 2004]
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
B
The Assertion and Reason are true but Reason is not correct explanation of Assertion
C
Assertion is true but, Reason is false
D
Assertion is false but, Reason is true
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There are 5 questions to complete.

 

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