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 Multiple Choice QuestionsMultiple Choice Questions

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31.

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

  • Bamboo species

  • Jackfruit

  • Papaya

  • Mango


32.

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

  • Bacterial Occurs

  • Yellow mosaic virus

  • Germinal layers form

  • Villi form


33.

Which of the following can be controlled by using biopesticides?

  • Insects

  • Diseases

  • Weeds

  • All of these


34.

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


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35.

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

  • Sheep

  • Goat

  • Goat-sheep cross

  • Kashmiri sheep-Afghan sheep cross


36.

Aleurone grains are rich in

  • Fat

  • Protein

  • Carbohydrates

  • Auxins


37.

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


38.

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


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39.

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

  • Carica papaya

  • Triticum aestivum

  • Zizypus mauritiana

  • Nelumbo nucifera


40.

Jut is a

  • bast fibre from secondary xylem

  • bast fibre from primary xylem

  • bast fibre from secondary phloem

  • bast fibre from primary phloem


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