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प्रश्न
Crosses between the plants of the same variety are called
विकल्प
interspecific
inter varietal
intra varietal
inter generic
उत्तर
Intra varietal
संबंधित प्रश्न
Plant breeding technique has helped sugar industry in North India. Explain how.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
List the two steps the classical plant breeding involves.
Define the term water potential.
Describe the mass flow hypothesis for translocation of organic solutes (food) in plants.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
While studying the history of the domestication of various cultivated plants _______ were recognized earlier.
Smooth leaved and necterless cotton varieties are NOT affected by ____________.
The thalamus contributes to the fruit formation in ______
The biggest constraint of plant breeding is:
The plant which is used for Studying hybrid vigour or heterocyst:
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of ______.
Fungicides and antibiotics are chemicals that ______.
What is emasculation? Why and when is it done?
Give two important contributions of Dr. M. S. Swaminathan.
Write two varieties of sugarcane having high sugar content.
Give a reason for the following:
The continuous inbreeding of crops may lead to reduced fertility and productivity. However, the self-pollinated crops do not show the ill-effects of inbreeding.
