1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Gibberellin is useful in early seed production in conifers.

Reason : Ethephon is responsible for early ripening in tomato and apple.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Apical dominance is caused by

A
auxin
B
ethylene
C
gibberellin
D
cytokinin
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion : The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a permanent source of active initials.

Reason : The cells of the inactive region of quiescent centre become active, when the previous active initials get damaged.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A and R are false
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Photomodulation of flower is phytochrome regulated process.

Reason Active form of phytochrome (Pfr) directly induces floral induction in shoot buds.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A and R are false
AIIMS Subjects
EXAM MAP