Subject Experts Solutions for Exercise 1: MCQS CORNER
Subject Experts Biology Solutions for Exercise - Subject Experts Solutions for Exercise 1: MCQS CORNER
Attempt the free practice questions from Exercise 1: MCQS CORNER with hints and solutions to strengthen your understanding. MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Exercise 1: MCQS CORNER with Hints & Solutions
Read the given statements and find incorrect ones
(i) Cytokinin is primarily concerned with cell division.
(ii) breaks seed and bud dormancy
(iii) ABA stimulates the opening of stomata.
(iv) initiates germination in peanut seeds, sprouting of potato tubers.
(v) ABA is synergistic to GA.
Match Column I with II and select the correct option from the codes given below.
| I | II | ||
|---|---|---|---|
| Auxin | Fruit ripening | ||
| Cytokinins | Phototropism | ||
| Abscisic acid | Antagonist to GAs | ||
| Ethylene | Growth of lateral buds |
Match column I with column II and select the correct option from the codes given below.
| Column-I | Column-II | ||
| A | Auxins | i | Breaking seed dormancy |
| B | Gibberellins | ii | Inducing fruit ripening |
| C | Cytokinins | iii | Formation of the abscission layer |
| D | Ethylene | iv | Root initiation |
| v | Chloroplast development in leaves |
Which of the following inhibitors causes seed dormancy?
Select the incorrect statement.
Dormancy of seeds is broken by red light in
In Xanthium and many types of grass, seed dormancy occurs due to
A process of breaking seed dormancy of some plants in which seeds are treated in moist medium at low temperature for sufficient period of time is known as.
