HARD
NEET
IMPORTANT
Earn 100

Read the following statements:

(A) Neural tube is the first organ to be formed during human embryonic development.

(B) Both monozygotic and dizygotic twins are produced from single ovum.

(C) Cleavage starts while the zygote in still in fallopian tube.

(D) Zona pellucida remains intact throughout cleavage division.

(E) Cleavage divisions result in formation of a hollow ball of cells called morula with 8 to 16 cells.

 

Which of the above statements are incorrect?

50% studentsanswered this correctly

Important Questions on Human Reproduction

HARD
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Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 52
Identify the wrong statement:
MEDIUM
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IMPORTANT
Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 53

Fill in the blanks with correct options.

The outer layer of blastula is called __(A)__. It does not take part in the formation of __(B)__ . The first germinal layer to differentiate is __(C)__ .

EASY
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Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 54
Non–identical twins are also called:
MEDIUM
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IMPORTANT
Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 55
Notochord, heart, and gonads are derivatives of:
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Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 56
Which of the following is not a function of extraembryonic membranes?
MEDIUM
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Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 57
Morula stage does not show increase in size because:
EASY
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Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 58
During which month of pregnancy, the first fetal movements and appearance of hair on the head are observed?
HARD
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IMPORTANT
Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 2>Q 59
Mark the correct sequence regarding the origin of primordial germ cells and their migration to gonads.