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 Multiple Choice QuestionsMultiple Choice Questions

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101.

Which of the following plants are used as green manure in crop fields and in sandy soils?

  • Saccharum munja and Lantana camara

  • Dichanthium annulatum and Azolla nilotica

  • Crotalaria juncea and Alhagi camelorum

  • Calotropis procera and Phyllanthus niruri


102.

Triticum vulgare has been found to be presently evolved as

  • diploid

  • tetraploid

  • pentaploid

  • hexaploid


103.

Late blight of potato is caused by

  • Cystopus

  • Phytophthora

  • Alternaria

  • Ustilago


104. Foolish seedling disease of rice in Japan was caused by
  • the deficiency of nitrogen

  • a bacterium

  • a fungus

  • a virus


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105.

Jumping genes in maize were discovered by

  • Hugo de Vries

  • Barbara McClintock

  • TH Morgan

  • Mendel


106.

In honey bee, royal jelly is secreted from :

  • corp gland

  • wax gland

  • pharyngeal gland

  • salivary gland


107.

The semi dwarf wheat which was instrumental in increasing
wheat production was developed by

  • Alexander von Humboldt

  • Paul Ehrlich

  • Dr. Kurien

  • Edward Jenner

  • Edward Jenner


108.

Select the wrongly matched pair

  • Fibre - Sunhemp

  • Spice - Belladonna

  • Edible oil - Groundnut

  • Fodder - Trifolium

  • Fodder - Trifolium


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