Plant Growth & Development NEET Questions Pdf - 2

Question: 6

In unisexual plants, sex can be changed by the application of

(A) ABA

(B) Auxin

(C) Cytokinins

(D) Ethanol

Question: 7

The Precursor for plant hormone Gibberellins is

(A) Acetyl CoA

(B) Histidine

(C) Tryptophan

(D) Succinyl CoA

Question: 8

Indole Acetic Acid (IAA) is a

(A) Growth inhibitor

(B) Root inhibitor

(C) Synthetic auxin

(D) Hetero auxin

Question: 9

Zeatin is first isolated from unripe grains of

(A) Maize

(B) Com

(C) Paddy

(D) Wheat

Question: 10

The term photoperiodism was coined by

(A) Gamer and Allard

(B) Darwin and Lamark

(C) Michael and Edward

(D) Miller and Amald