Strategies for Enhancement in Food Production

Multiple Choice Questions

Advertisement
Zigya App

Assertion: The honey bee queen copulates only once in her life time.

Reason: The honey bee queen can lay fertilized as well as unfertilized eggs.

  • If both Assertion and Reason are true and Reason is the correct explanation of Assertion

  • If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

  • If Assertion is true but Reason is false

  • If both Assertion and Reason are false.

B.

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Queen is the only fertile female in beehive, having immensely developed ovaries. She lives for several successive years laying about 2000 or more eggs a day and upto about 1,500000 eggs during her life time. The queen has a remarkable capacity of controlling the fertilization of its eggs. A fertilized egg is laid in a worker or queen cell or honey comb, while an unfertilized egg in a drone cell, the latter develops parthogenetically. The queen mates only once in a life time. The sperms stored in her spermatheca fertilize her eggs as long as she lives.

  • Switch
    • Advertisement

    'Royal jelly' is secreted from

    • hypopharyngeal gland

    • salivary gland

    • milk gland

    • integumentary gland

    Answer

    A branch of science in which. forest crop can be grown in desired pattern is

    • Histology

    • Horticulture

    • Pisiculture

    • siliviculture

    Answer

    Reproducing new plants by cells, instead of seeds, is known as :

    • Mutation

    • antibiotics

    • biofertilizer

    • tissue culture

    Answer

    Silk is the secretion of

    • cephalic glands

    • gastric glands

    • buccal glands

    • salivary glands

    Answer
    Advertisement

    Assertion : In plant tissue culture, somatic embryos can be induced from any plant cell.

    Reason : Any viable plant cell can differentiate into somatic embryos.

    • If both Assertion and Reason are true and the reason is the correct explanation of the assertion

    • If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

    • If Assertion is true statement but Reason is false

    • If both Assertion and Reason are false statements

    Answer

    The bacterial disease which is found in chickens is :

    • rickets

    • Ranikhets

    • fowl fox

    • fowl cholera

    Answer

    sprouting of potato can be prevented in storage by

    • maleic hydrazide

    • gibberellins

    • indole acetic acid

    • cytokinins

    Answer

    The first transgenic crop was :

    • pea

    • flax

    • tobacco

    • cotton

    Answer
    Advertisement
    <

    Assertion : Use of fertilizers greatly enhances crop productivity.

    Reason : Irrigation is very important in increasing crop productivity.

    • If both Assertion and Reason are true and the reason is the correct explanation of the assertion

    • If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

    • If Assertion is true statement but Reason is false

    • If both Assertion and Reason are false statements

    Answer
    Advertisement