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Strategies for Enhancement in Food Production Test - 49

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Strategies for Enhancement in Food Production Test - 49
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  • Question 1
    1 / -0
    Explant is
    Solution
    Correct Answer: C
    Explanation:
    • An explant can be defined as a part of any plant which is taken for the purpose of tissue culture.
    • The explants are kept in a nutritive media in a sterile condition to culture the cells of the plant and to produce a new generation of cells.
    Hence, the correct answer is Part of plant used in tissue culture.
  • Question 2
    1 / -0
    Cellular totipotency means
    Solution
    Cellular totipotency means the ability of a cell to give rise to complete individual i.e., the formation of the complete cellular organisation from a single cell. Plant cells are totipotent as they can give rise to complete plant. So answer D is correct.
  • Question 3
    1 / -0
    Who proposed for the first time that cells are totipotent?
    Solution
    B. Haberlandt
    Solution : Cells are totipotent was first proved by Haberlandt and is called the father of plant tissue and also said that a totipotent cell can give rise to whole plant.
    So the correct answer is "Haberlandt".
  • Question 4
    1 / -0
    Steward performed experiment to prove cellular totipotency on _______ .
    Solution
    B. Carrot
    Solution : Steward performed their experiment on roots of carrot to prove cellular totipotency or the cells that can give rise to whole plant.
    So the correct answer is "Carrot".
  • Question 5
    1 / -0
    Termitarium is the nest of___________.
    Solution
    C) White Ants
    Termites are also known as White Ants. So, white ants lines in the termitarium nest.
    A nest built by a colony of termites underground as in a tree as an artificial nest used to house termites in a laboratory.
  • Question 6
    1 / -0
    First successful tissue culture was that of ________.
    Solution
    • White was the first one to successfully attempt the technique of tissue culture.
    • He cultured tomato roots in a nutrient media composed of vitamins. 
    • He developed the continuously growing callus from the root which had the property of totipotency.

    So the correct answer is option A.
  • Question 7
    1 / -0
    Tissue culture was developed by
    Solution
    In 1902 C.Haberlant was the first attempted to culture isolated plant cells invitro on artificial medium. But the discovery of the use of auxin is done by three scientists Gautherel, Nobecourt, and White. This discovery is the second phase of plant tissue culture. Then White discovery's proves that plant could be successfully regenerated from undifferentiated tissue or even single cell in culture called tissue culture. Then tissue culture was developed by P R White in 1925.
    So the correct option is C.
  • Question 8
    1 / -0
    Goat and sheep are reared for ______________.
  • Question 9
    1 / -0
    Which of the following is the characteristics of wool from angora rabbit?
    Solution
    • Long fibres and soft in texture are the characteristics of wool from angora rabbit.
    • Angora rabbit fibre is one of the finest speciality animal fibres with its well - known reputation for fineness, lightness and softness and it can be classified as a luxury fibre. 
    • Angora rabbit fibre has good potential for producing textiles with special properties. It is extremely fine, soft, antistatic, lustrous, and durable.
  • Question 10
    1 / -0
    A plant cell has potential to develop into full plant. The property is called
    Solution
    • Totipotency is the ability of a single cell to divide and produce all of the differentiated cells in an organism. 
    • For example, Spores and zygotes are examples of totipotent cells.
    • Hence a plant cell has the potential to develop into a full plant. The property is called Totipotency.
    • So, the correct answer is 'Totipotency'.
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