1
Question
Match column A with column B with respect to human embryonic development and choose the correct option.
Column A
Column B
1
End of first month
a
Most of the major organ systems are formed.
2
End of second month
b
The first movements of the foetus
3
End of first trimester
c
Formation of heart
4
During fifth month
d
Eye-lids separate
5
End of second trimester
e
Formation of limbs and digits
Match column A with column B with respect to human embryonic development and choose the correct option.
| Column A | Column B | ||
| 1 | End of first month | a | Most of the major organ systems are formed. |
| 2 | End of second month | b | The first movements of the foetus |
| 3 | End of first trimester | c | Formation of heart |
| 4 | During fifth month | d | Eye-lids separate |
| 5 | End of second trimester | e | Formation of limbs and digits |
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Solution
The correct option is D (1)-c, (2)-e, (3)-a, (4)-b, (5)-d
Pregnancy lasts for 9 months in human beings.
The period of nine months is divided into three trimesters. Each trimester is a period of 3 months.
By the end of the first month, the heart is formed.
By the end of the second month, limbs and digits are formed.
By the end of the first trimester, most of the major organ systems develop.
During the fifth month, the first movements of the foetus are observed.
By the end of the second trimester, eye-lids get separated.
Pregnancy lasts for 9 months in human beings.
The period of nine months is divided into three trimesters. Each trimester is a period of 3 months.
By the end of the first month, the heart is formed.
By the end of the second month, limbs and digits are formed.
By the end of the first trimester, most of the major organ systems develop.
During the fifth month, the first movements of the foetus are observed.
By the end of the second trimester, eye-lids get separated.
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