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प्रश्न
Name the scientists who Coined the term Diffusion Pressure Deficit
उत्तर
B.S. Meyer (1938)
APPEARS IN
संबंधित प्रश्न
(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 |
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
How has mutation breeding helped in improving the production of mung bean crop?
What is emasculation?
What is Biofortification? Explain selective breeding with suitable example.
Give an account of mutation breeding with examples.
Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed ______.
How the resistance in crops can be developed?
Write two varieties of sugarcane having high sugar content.
Match the following:
| Sr. No. | Column I | Column II | |
| (i) | Eutrophication | (a) | A soil erosion |
| (ii) | Biomagnification | (b) | carbon monoxide, methane |
| (iii) | Particulate pollutant | (c) | Prevention of extinction |
| (iv) | Conservation | (d) | Dust, smog |
| (v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
| (vi) | Deforestation | (f) | Death of aquatic ecosystem |
