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Biology 12 Chapter 21
Development and Aging - 21
1.
The primary structural defect resulting from disruption of a localized error of morphogenesis is called………………?
a) Syndrome
b) Malformation
c) Deformation
d) Disruption
2.
The abnormality due to disruption of normal developmental processes depending upon time is called……………….?
a) Syndrome
b) Malformation
c) Disruption
d) Deformation
3.
The alteration in shape/ structure of previously normally formed part is called…………………?
a) Malformation
b) Deformation
c) Disruption
d) Syndrome
4.
A group of anomalies occurring together that have a common cause is called……………?
a) Disruption
b) Deformation
c) Syndrome
d) Malformation
5.
Which are the maternal derived abnormalities?
a) Neural tube defect
b) Rubella
c) Limb development defect
d) All of these
6.
Rubella virus causes malformation of………….6th week of pregnancy?
a) Teeth
b) Ear
c) Heart
d) Eye
7.
Rubella virus causes malformation of………….5th-10th week of pregnancy?
a) Teeth
b) Ear
c) Eye
d) Heart
8.
Rubella virus causes malformation of………….6th-9th week of pregnancy?
a) Eye
b) Teeth
c) Heart
d) Ear
9.
Cataract is malformation of…………….?
a) Teeth
b) Eye
c) Internal ear
d) Heart
10.
Splitting of vertebral arches refers to……………?
a) Cleft hand
b) Rubella
c) Club foot
d) Spina bifidia
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