'Jaya', and 'Ratna', developed for green revolution in India are the varieties of

1. rice

2. wheat 

3. bajra

4. maize

In maize, hybrid vigour is exploited by:

1. bombarding the seeds with DNA

2. crossing of two inbred parental lines

3. harvesting seeds from the most productive plants

4. inducing mutations

The name of the Indian scientist associated with Green Revolution in India is

1. H.G. Khorana

2. M.S.Swaminathan

3. Homi Bhaba

4. C.N.R. Rao.

The number of chromosomes present in the cells of the bread wheat, Triticum aestivum suggests that it is

(1) hexaploid

(2) diploid

(3) tetraploid

(4) pentaploid

Wonder wheat is new wheat variety developed by

(1) Mexico's international wheat and maize improvement centre

(2) Indian national botanical research institute

(3) Australian crop improvement centre

(4) African crop improvement centre

The green revolution was dependent to a large extent for the development of high yielding and disease-resistant varieties on which of the following options?

1. Plant breeding

2. Better management practices

3. Increase in acreage

4. Both 2 and 3

According to data given in text book, agriculture in India is responsible for …..India's GDP and employs nearly……. of the population.

1. 33% 65%

2. 33%, 62%

3. 30%,70%

4. 25%,75%

In 1960, the dramatic increase in food production in our country was because of varieties of

1. Rice and wheat

2. Rice and corn

3. Wheat and corn

4. All of these

During the period 1960 to 2000, wheat production is increased from

1. 11 million tonnes to 70 million tonnes

2. 15 million tonnes to 75 million tonnes

3. 10 million tonnes to 65 million tonnes.

4. 11 million tonnes to 75 million tonnes

During the period 1960 to 2000, the rice production went up from

1. 35 million tonnes to 89.5 million tonnes

2. 30 million tonnes to 75 million tonnes

3. 38 million tonnes to 84 million tonnes

4. 25 million tonnes to 40 million tonnes