Plant Breeding Test
Plant Breeding
This is online test 02 for CBSE class 12 Biology Strategies for Enhancement in Food Production (Plant breeding).. There are 10 questions in this test with each question having around four answer choices.
Questions & Answers
1
Norman Borlaug the “father of green Revolution” has developed highly recognized and appreciated cultivating variety of
- ASugarcane
- BWheatCorrect
- CRice
- DOnion
2
An organism used as bio-fertilizer for raising soybean crop is
- ANostoc
- BAzospirillum
- CAzotobacterCorrect
- DRhizobium
3
In tissue culture medium, embryoids formed from the pollen grains is due to
- ATest tube culture
- BDouble fertilisation
- CCellular totipotencyCorrect
- DOrganogenesis
4
Desired improved varieties of economically useful crops are raised by
- AMutation
- BHybridizationCorrect
- CBio-fertilizer
- DNatural selection
5
Breeding crops with higher levels of minerals, vitamins or higher protein and healthier fats is called
- AMicro propagation
- BBio fortificationCorrect
- CSomatic hybridization
- DBio magnification
6
Bagging is done to
- APrevent contamination from unwanted pollenCorrect
- BAchieve desired pollination
- CAvoid self-pollination
- DAvoid cross pollination
7
Modification and adjustment of an organism to local environment is called
- AQuarantine
- BSelection
- CAcclimatizationCorrect
- DIntroduction
8
Which variety of wheat is used as donor for high protein?
- AAtlas 66Correct
- BIR-8
- CSonalika
- DHimgiri
9
In order to obtain disease-free plants through tissue culture techniques, the best method is
- AAnther culture
- BEmbryo rescue
- CMeristem cultureCorrect
- DProtoplasm culture
10
The conventional method of breeding for disease resistance
- AHybridisation and selectionCorrect
- BProtoplasm fusion
- CGermplasm fusion
- DMutation and selection