Green Revolution

Q. Jaya and Ratna varieties of rice are derived from

1. Sonalika and TN - 1
2. IR - 8 and Kalyan Sona
3. Kalyan Sona and Sonalika
4. IR - 8 and TN - 1

Q.

“Jaya” and “Ratna” developed for green revolution in India are the varieties of

1. maize

2. rice

3. wheat

4. bajra

Q. IR–8 and TN–1 were developed at

1. International rice research Institute and central rice research institute
2. Philippines and Taiwan
3. IARI and ICAR
4. ICRISAT and CSIR

Q. The sugarcane variety produced through cross between Saccharum officinarum and Saccharum barberi exhibits characters such as

1. High yield, thick stems, high sugar and ability to grow in areas of North India
2. Disease resistance, thick stems and high sugar content
3. High yield, thin elongated internodes and ability to grow in South india.
4. Pest resistance, high sugar content and thick stems

Q. Crop improvement programs aim to increase the productivity per unit area because

1. Calculation of net yield becomes easy
2. Farmland area on earth cannot be increased indefinitely
3. Greater yield can be obtained
4. All of the above

Q. Who was the pioneer of Green Revolution?

1. Dr. Norman Borlaug
2. Dr. M.S. Swaminathan
3. C.Subramanian
4. Dr. P. Maheshwari

Q. Identify the set of high yielding varieties of wheat

1. Kalyan Sona and Sonalika
2. Jaya and Ratna
3. Sonalika and Jaya
4. Kalyan Sona and Ratna

Q. With reference to the graph below, state whether the statement given is true or false.
With the increase in population, agricultural land area is decreasing.

1. True
2. False

Q. Select the list of semi-dwarf rice HYVs, developed outside India and in India.

1. IR-8, TN-1, Jaya and Ratna
2. IR-8, TN-1, Kalyan Sona and Ratna
3. IR-8, TN-1, Sonalika and Jaya
4. IR-8, TN-1, Kalyan Sona, Jaya and Ratna

Q. An example of a semi-dwarf variety of rice is _________.

1. IR-8
2. Sonalika
3. Triticum
4. Saccharum