Advertisements
Advertisements
प्रश्न
Name two better yielding varieties of rice developed in India.
Advertisements
उत्तर
Jaya, Padma, Ratna.
APPEARS IN
संबंधित प्रश्न
Answer each question in ‘One’ sentence only:
Define stock and scion.
Give an account of mutation breeding with examples.
Describe briefly various steps of plant breeding methods.
Wheat -Atlas 66 has high contents of ______.
The thalamus contributes to the fruit formation in ______
Breeding of crops with high levels of minerals:
Mutations in plant cells can be induced by ______
The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.
Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?
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 |
