Advertisements
Advertisements
Question
While studying the history of the domestication of various cultivated plants _______ were recognized earlier.
Options
Centres of origin
Centres of domestication
Centres of hybrid
Centres of variation
Advertisements
Solution
While studying the history of the domestication of various cultivated plants Centres of origin were recognized earlier.
RELATED QUESTIONS
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
Suggest four important steps to produce a disease resistant plant through conventional plant breeding technology.
Identify ‘a’, ‘b’ and ‘c’ in the following table:
| S. 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 mutation breeding helped in improving crop varieties? Give one example where this technique has helped.
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
Definition and importance of Imbibition
Plants having similar genotypes produced by plant breeding are called
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 |
Which method of plant breeding has been used to develop a powdery mildew-resistant variety of moong beans?
Polyploidy leads to the rapid formation of new species because:
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Which one of the following combination would a sugarcane farmer look for in the sugarcane crop?
33 percent of India’s Gross Domestic Product comes from ______.
A collection of all the alleles of all the genes of a crop plant is called ______.
Name a man-made cereal? Trace how it was developed and where is it used?
What is meant by ‘hidden hunger’?
What is emasculation? Why and when is it done?
Suggest some of the features of plants that will prevent insect and pest infestation
Discuss the importance of testing of new plant varieties in a geographically vast country like India.
