1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white -coloured like albinos. Which of the following terms will you use to describe them?
A
Mutated
B
Embolised
C
Etiolated
D
Defoliated
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Dr. F. went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what significance is this experiment?
A
It made possible the isolation and exact identification of auxin.
B
It is the basis for quantitative determination of small amounts of growth-promoting substances.
C
It supports the hypothesis that 1AA is auxin.
D
It demonstrated polar movement of auxins.
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of
A
NAA, 2, 4-D
B
Phenyl acetic acid
C
Cytokinin
D
IAA, IBA.
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
During seed germination its stored food is mobilized by
A
ABA
B
gibberellin
C
ethylene
D
cytokinin.
NEET Subjects
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