1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?

A
Over exploitation for economic gain
B
Alien species invasions
C
Co-extinctions
D
Habitat loss and fragmentation
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the pair of heterosporous pteridophytes among the following :

A
Selaginella and Salvinia
B
Psilotum and Salvinia
C
Equisetum and Salvinia
D
Lycopodium and Selaginella
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Frequency of recombination between gene pairs on same chromosome as a measure of the distance between genes to map their position on chromosome, was used for the first time by

A
Sutton and Boveri
B
Alfred Sturtevant
C
Henking
D
Thomas Hunt Morgan
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

What is the function of tassels in the corn cob?

A
To trap pollen grains
B
To disperse pollen grains
C
To protect seeds
D
To attract insects
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