Remarkable increase in rice production f...

Remarkable increase in rice production from 35 million tonners to 89-5 million tonnes during 1960-2000 was mainly due to

Improved semidwarf varieties

Introduction semidwarf varieties

Increased use of chemical fertilizers

Cultivation of wild varieties

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Select the incorrect statements. Br a. Indian agriculture accounts for approximately 62 percent of India's GDP. Br b. During the period 1960 and 2000, wheat and rice production increased from 11 million tonnes to 89.5 million tonnes. Br C. Semi-dwarf rice varieties were derived from IR 8 and Taichung Native-1. br d. Saccharum officinarum was originally grown in south india having high sugar content and yield.

Assertion : During the period 1960 to 2000, rice production increased form 11 million tonnes to 75 million tonnes while wheat production went up from 35 million toones to 89.5 million tonnes. Reason : Norman E. borlaug, at IRRI developed semidwarf wheat and rice.

Ministry of environment and forest has granted environmental clearance to the Karkatla open-cast expansion project of the Central Coal Fields Ltd. in Bihar that envisages exploitation of non-coking coal reserves. The present production level of 0.8 million tonnes is proposed to be expanded to 1.5 million tonnes per annum at an estimated cost of 67.82 crores under the project. The total land area requirement for the proposed mining activities is about 651 hectares which includes about one-sixth of it as foreign Land Environmental concern gets less priority over the need of the coal.

Identify true or false statements (i) Conventional plant breding is in practice from 9,000-11,000 years ago. (ii) Recombinant progeny is self -pollnated for saveral generations til they reach a state of heterozgosity (iii) During the period 1960 to 2000 wheat production increased from 35 million tonnes to 89.5 million tonnes.

DINESH PUBLICATION-PLANT BREEDING AND DISEASE CONTROL-MCQ

Flooding of the field controls:
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During hardenting , plants are kept under
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Continued self pollination results in
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Sonalika and kalyan Sona are high yielding varieties of
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Resistance to yellow mosiac virus in Abelmoschus esculentus was transf...
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Father of Green Revolution in India is:
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Which one possesses highest protein content
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The concept of cellular totipotency was given by
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Father of Green Revolution in India is:
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Plants obtained thorugh tissue culture are genetically identical and t...
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Who is known as father of plant tissue culture
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Which of the following is an introduced variety of crop
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Assertion (A). Virus free plants can be produced from vrius infected p...
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The correct sequence in the tissue culture technique is
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High level of aspartic acid, low nitrogen and sugar content in Maize p...
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Remarkable increase in rice production from 35 million tonners to 89-5...
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During hybridisation offspring with hybrid vigour superior to both par...
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Assertion : the technique of micropropagtion has been used to introduc...
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Assertion : Black rust of wheat is a hazardous disease which is caused...
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Assertion : Somatic hybridisation is a process where protoplasts of tw...
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