Advertisements
Advertisements
Question
Define the term water potential.
Solution 1
The chemical potential of water is said to be water potential
Solution 2
A measure of energy available for reaction of or movement of water
Solution 3
The tendency of water to leave a system.
APPEARS IN
RELATED QUESTIONS
(a) Name the tropical sugar cane variety grown in South India. How has it helped in improving the sugar cane quality grown in North India?
(b) Identify 'a', 'b' and 'c' in the following table:
| No. | Crop | Variety | Insect Pests |
| 1. | Brassica | Pusa Gaurav | (a) |
| 2. | Flat bean | Pusa Sem 2 Pusa sem 3 |
(b) |
| 3. | (c) | Pusa Sawani Pusa A-4 |
Shoot and fruit borer |
What is plant breeding?
Give the names of ‘two’ insect-resistant crop varieties.
What are analogous organs? Describe with one example from the plant kingdom.
Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.
| Column-I | Column-II | ||
| (I) | Banana | (p) | little leaf |
| (II) | Sugarcane | (q) | bunchy top |
| (III) | Papaya | (r) | leaf roll |
| (IV) | Brinjal | (s) | grassy shoot |
| (t) | leaf curl |
Give any four advantages of mutation breeding.
The plant which is used for Studying hybrid vigour or heterocyst:
A collection of all the alleles of all the genes of a crop plant is called ______.
It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.
Write two varieties of sugarcane having high sugar content.
