EASY
Earn 100
What is plant breeding? Write any two objectives of plant breeding?
Important Questions on Enhancement of Food Production
MEDIUM
At ICAR, Goa, the banana crop yield has been reduced tremendously as the plants are affected by a virus. Explain the technique where they can regenerate healthy whole plants in large numbers from parts of these plants in a short duration.
HARD
Define conventional method of plant breeding in five steps.
HARD
You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety
EASY
The mechanism that causes a gene to move from one linkage group to another is called:
HARD
What is plant breeding? Explain the two steps involved in classical plant breeding.
EASY
Select the wrong statement.
EASY
Explain plant breeding for improved food quality.
EASY
Germplasm collection refers to
EASY
Discuss the methods of breeding for disease resistance crops.
EASY
Mention the four traits for which plant breeding is done.
EASY
In mung bean, resistance to yellow mosaic virus and powdery mildew were induced by:
EASY
Arrange the following steps in plant breeding in an order
(a) Evaluation and selection of parents
(b) Selection of testing of superior recumbents
(c) Collection of variability
(d) Testing, release, commercialization of new varieties
(e) Cross hybridization among the selected parents
MEDIUM
Match the following lists:
| List-I | List-II | ||
| Crop bred by hybridization | Resistance to disease | ||
| (A) | Wheat | (I) | Block rot and curl blight black rot |
| (B) | Brassica | (II) | Mosaic virus, leaf curl |
| (C) | Cauliflower | (III) | Leaf and stripe rust, hill bunt |
| (D) | Cowpea | (IV) | White rust |
| (V) | Bacterial blight |
The correct match is:
HARD
Describe in brief the outbreeding devices for cross pollination in angiosperms with example. Mention any two characteristics of insect pollinated flower.
MEDIUM
Choose the correct combinations
I) Pusa swarnim - Brassica - White rust resistance
II) Pusa gaurav - Brassica - Fruit borer resistance
III Pusa sawani - Bhindi - Fruit borer resistance
IV) Pusa sadabahar - Chilli - Leaf curl resistance
EASY
'Sonalika' and Kalyansona' are the high yielding 'semi-dwarf varieties of wheat, introduced from ________.
EASY
The oil content and quality of groundnut variety were improved by plant breeding techniques. This is an example of
HARD
Describe the main steps of plant breeding.
EASY
You have obtained a high-yielding variety of tomato. Name and explain the procedure that ensures retention of the desired characteristics repeatedly in large populations of future generations of the tomato crop.
EASY
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?
