1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Variations caused by mutation, as proposed by Hugo de Vries, are :
A
small and directional
B
small and directionless
C
random and directional
D
random and directionless
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The concept of ''Omnis cellula-e cellula'' regarding cell division was first proposed by :
A
Schleiden
B
Aristotle
C
Rudolf Virchow
D
Theodore Schwann
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
According to Hugo de Vries, the mechanism of evolution is
A
multiple step mutations
B
saltation
C
phenotypic variations
D
minor mutations
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
The similarity of bone structure in the forelimbs of many vertebrates is an example of
A
homology
B
analogy
C
convergent evolution
D
adaptive radiation
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