Science-Tech

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‘Barr body’ is found in....
Sperm
no
Sertoli cells
no
Female somatic cells
yes
Male somatic cells
no
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IVF (In Vitro Fertilization) Technique was first devised by.....
Patrick Steptoe and Robert Edwards
yes
Dr. Henry Dixon
no
Robertson
no
Dr. Martin Cooper
no
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The cells which are closely associated and interacting with guard cells are.....
Transfusion tissue
no
Complementary cells
no
Subsidiary cells
yes
Hypodermal cells
no
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Consider the following kinds of organisms: 
1. Bat
2. Bee
3. Bird

Which of the above is/ an pollinating agent/agents?
1 & 2 only
no
2 Only
no
1 and 3 only
no
1, 2 & 3
yes
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If a magnet has a third pole, then the third pole is called..........

Defective pole
no
Consequent pole
yes
Extra pole
no
Arbitrary pole
no
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