Multiple Choice Questions

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The plant whose seeds are known to leave the longest viability period is

  • Carica papaya

  • Triticum aestivum

  • Zizypus mauritiana

  • Nelumbo nucifera


D.

Nelumbo nucifera

Viability is the ability of the seed to possess the power of germination over a period of time Nelumbo nucifera seed have maximum viability of seed of about 1000 yrs.


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Parbhani Kranti, a variety of bhindi (lady finger) is resistant to

  • Bacterial Occurs

  • Yellow mosaic virus

  • Germinal layers form

  • Villi form


Which of the following can be controlled by using biopesticides?

  • Insects

  • Diseases

  • Weeds

  • All of these


The phenotypic ratio of trihybrid cross in F2-generation is

  •  27: 9: 9: 9 : 3 : 3 : 3: 1

  • 9 : 3 : 3 : 1

  • 1 : 4 : 6 : 4 : 1

  • 27 : 9 : 3 : 3 : 9 : 1 : 2 : 1


The world’s highly prized wool yielding ‘Pashmina’ breed is

  • Sheep

  • Goat

  • Goat-sheep cross

  • Kashmiri sheep-Afghan sheep cross


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Jut is a

  • bast fibre from secondary xylem

  • bast fibre from primary xylem

  • bast fibre from secondary phloem

  • bast fibre from primary phloem


Which of the following flowers only once in its life-time

  • Bamboo species

  • Jackfruit

  • Papaya

  • Mango


Which one of the following is linked to the discovery of bordeaux mixture as a popular fungicide?

  • Bacterial leaf blight of rice

  • Downy mildew of grapes

  • Loose smut of wheat

  •  Black rust of wheat


Aleurone grains are rich in

  • Fat

  • Protein

  • Carbohydrates

  • Auxins


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Match the following columns and choose the correct option.

Column I Column II
A. Mutation Breeding 1. The laborious and expensive process to obtain gene variation.
B. Selection 2. Hybrid vigour can be maintained for several generations
C. Hybridisation 3. Simplest and easiest method  of plant improvement.
D. Introduction Oldest breeding method
  A quick method to obtain gene variation

 

  • A-5, B-4, C-1, D-2

  • A-5, B-4, C-1, D-3

  • A-4, B-2, C-3, D-1

  • A-1, B-2, C-4, D-5


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