(C) The first sign of a growing fetus is the heartbeat,which can be heard through a stethoscope. By listening to the heart sounds carefully through a

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(C) The first sign of a growing fetus is the heartbeat,which can be heard through a stethoscope. By listening to the heart sounds carefully through a stethoscope,the physician can detect the fetal heartbeat,which is a clear indication of a developing fetus.

Class 12 Biology Human Reproduction Pregnancy and Embryonic development

Medium

The first sign of a growing fetus can be noticed by:

A
Sphygmomanometer
B
$ECG$
C
Stethoscope
D
Both $B$ and $C$

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Biology Questions

Chapter

Human Reproduction

Subtopic

Pregnancy and Embryonic development

Match the columns:

Column $I$ Column $II$

$(a)$ Third week $(1)$ Development of pre-umbilical cord

$(b)$ Third month $(2)$ Body develops but head remains big

$(c)$ Fourth week $(3)$ Embryonic slit widens

$(d)$ Fourth month $(4)$ Muscles activate

Column $I$	Column $II$
$(a)$ Third week	$(1)$ Development of pre-umbilical cord
$(b)$ Third month	$(2)$ Body develops but head remains big
$(c)$ Fourth week	$(3)$ Embryonic slit widens
$(d)$ Fourth month	$(4)$ Muscles activate