Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                                                        Column II
I. Malting in brewing                                       1. Cytokinins

II. Parthenocarpy in tomatoes                          2. Gibberellins

III. Overcoming apical dominance                    3. Ethylene

IV. Female flowers in Cucumbers                      4. Auxins

Codes:
I II III IV
A. 4 2 3 41
B. 2 1 4 3
C. 2 4 1 3
D. 4 2 1 3

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                       Column II
I. Short day plant           1. Rose
II. Long day plant           2. Dianthus
III. Day neutral plant      3. Tobacco
Codes:
       I    II   III
A.    1    2   3
B.    2    3   1
C.    2    1   3
D.    3    2   1

With respect to photoperiodism, the short day plant, the long day plant and day neutral plant are represented respectively by:
  
1. A, B and C
2. B, A and C
3. C, B and A
4. A, C and B

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?
1. Mutated
2. Embolised
3. Etiolated
4. Defoliated

Plant Growth Regulators (PGRs) are not

1. Very less in number in plants

2. Small and simple molecules

3. Diverse chemical composition

4. Plant hormones or phytohormones

N6- furfurylamino purine and kinetin are derivative of …….

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

Abscisic Acid and ABA are derivative of…..

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

C₂H₄ or Ethylene are …...or derivative of….

1.Indol compounds

2.Gases

3.carotenoids

4.Terpenes

In the living plant body, the PGRs can be broadly divided into two groups. This classification is actually based on

1.Function

2.Structure

3.Metabolism

4.Kinetin

Plant growth promoters are not involved in

1. Cell division, cell enlargement

2. Pattern formation, seed formation

3. Dormancy, Abscission

4. Fruiting and Flowering