Testing, Release and Commercialization of New Cultivars

Q.

Sonalika and Kalyan Sona are high yielding varities of

1. Rice

2. Maize

3. Sugarcane

4. Wheat

Q.

What is genetic manipulation? How is it useful in agricultural practices?

Q. Consider the following statement with blanks A and B regarding sugar cane.

_____A_____ has poor sugar content and ___B___ has thicker stems with high sugar content.

1. A - Saccharum officinarum, B - Saccharum barberi
2. A - Saccharum sinense, B - Saccharum barberi
3. A - Saccharum barberi, B - Saccharum officinarum
4. A - Saccharum officinarum, B - Saccharum sinense

Q. Plant breeding technique has helped sugar industry in North India. Explain how.

Q. A new variety developed by hybridization and selection in India, is recognised by

1. ICRISAT
2. NBPGR
3. ICAR
4. CSIR

Q. Name the high yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.

Q. Inbreeding depression is mainly related with

1. Self pollinated crop
2. Cross pollinated crop
3. None of the above
4. Vegetatively propagated crop

Q. Discuss the importance of testing of new plant varieties in a geographically vast country like India.

Q. Evaluation of seed cultivars is done by

1. collection of variability
2. seed multiplication
3. cross hybridization of the parents
4. evaluation of parents

Q. Write the economic importance of groundnut.

Q. Evaluation of seed cultivars is done by

1. collection of variability
2. seed multiplication
3. cross hybridization of the parents
4. evaluation of parents

Q. The new cultivars are tested in farmers' fields for atleast growing seasons.

1. 1
2. 2
3. 3
4. 4

Q. Kalyan Sona is

1. Hybrid variety of rice and maize
2. Hybrid variety of wheat and rye
3. High yielding variety of wheat
4. High yielding variety of rye

Q. Which of the following is correct regarding plant breeding?

1. It involves the self-hybridization of plants.
2. A reference cultivator is compared with new selected breeds.
3. The germplasm is evaluated for the identification of desired characters.
4. Plant breeding is used to create invariable desired crops.

Q. What is meant by energy crops?