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Strategies for Enhancement in Food Production Test - 27

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Strategies for Enhancement in Food Production Test - 27
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  • Question 1
    1 / -0
    Vegetable crop cultivation is known as

    Solution
    Horticulture has been defined as the agriculture of plants, mainly for food, materials, comfort and beauty. According to American horticulturist Liberty Hyde Bailey, "Horticulture is the growing of flowers, fruits and vegetables, and of plants for ornament and fancy." Hence, vegetable crop cultivation is known as Horticulture.
    So, the correct answer is Horticulture'
  • Question 2
    1 / -0
    What is "tissue culture"?
    Solution
    • Tissue culture is the growth of tissues or cells separate from the organism. This is typically facilitated via the use of a liquid, semi-solid, or solid growth medium, such as broth or agar. 
    • Tissue culture commonly refers to the culture of animal cells and tissues, with the more specific term plant tissue culture being used for plants.
    • So, the correct answer is 'Cultivation of tissue in laboratory through formation of new cells'
  • Question 3
    1 / -0
    Tissue culture has been extensively used in research methods in all of the following fields of biology except in
    Solution
    Tissue culture is a collection of techniques used to grow cells, tissues or organs under sterile conditions on a nutrient culture medium of known composition ( in vitro). The emergence of this technique became a turning point when polio virus, could be cultivated in vitro, a discovery of Enders, Weller, and Robbins (1949). This led to the feasibility of quantitative metabolic studies in animal viruses. Tissue culture is, therefore, today a vital part of life science research ( across plants and animals ) and in every area of research that includes bacteriology, embryology and virology.
  • Question 4
    1 / -0
    In honey bees, the drones develop from which of the following?
  • Question 5
    1 / -0
    Which of the following scientists is related with cellular totipotency?
    Solution
    The potential of the somatic cell to grow and develop into a multicellular and multi-organed organism through the technique of cloning is referred to as cellular totipotency. While German botanist Gottleib Haberlandt introduced the concept of in vitro cell culture, Prof. F.C. Steward of Cornell University worked to show that cellular totipotency is an inherent capability of every single cell. Thus, the correct answer is option A.
  • Question 6
    1 / -0
    Which of the following is a ferocious bee?
    Solution
    Apis dorsata is a type of bee generally, live in hilly areas. So, they are called as “Rock Bee”. Sometimes they are called as monster bee because of their fearful and ferocious nature. They are of blue colored. The sting of Apis dorsata become very poisonous. As they are ferocious in nature, it is very difficult to manage them for commercial use. Hence, option D is correct.
  • Question 7
    1 / -0
    The main technique involved in agricultural biotechnology is called
    Solution
    • Tissue culture, a method of biological research in which fragments of tissue from an animal or plant are transferred to an artificial environment in which they can continue to survive and function. 
    • The cultured tissue may consist of a single cell, a population of cells, or a whole or part of an organ. 
    • Tissue culture is used to create large amounts of plants or growing material in a sterile environment with the required water and nutrients to suit the plant species and a gelling agent such as agar. 
    • One major breakthrough made possible by tissue culture is the development of disease-free bananas in East Africa. 
    So, the correct option is option A.
  • Question 8
    1 / -0
    In late 1950s, F.C Steward experimented on the following plant and confirmed the principal of totipotency.
    Solution
    totipotency is the ability of a plant to use all its genes and form a new plant. to prove this F.C Steward did an experiment on the root cells of the carrot plant with which he produced a whole new carrot plant.
    So the correct option is A.
  • Question 9
    1 / -0
    Any cell, tissue or an organ removed from a plant for the purpose of culturing is called as
    Solution
    Plant cells are totipotent. Hence, plant cells can be cultured to grow entire plants. In-plant tissue culture, a small meristematic tissue called explant is used to generate a mass of undifferentiated cells called callus. Entire plantlets can be generated from callus by applying a carefully balanced ratio of phytohormones.
  • Question 10
    1 / -0
    Given below are the characteristics of ''X''. Which of the following is ''X''?
    i.   Build the hive
    ii.  Collect nectar and pollen
    iii. Clean the cells and protect the hive
    Solution
    The worker bees are called as nurse or housekeepers. They help in building the hives and protect it from predatory animals. The function of worker bees is to take care of the hives and the young bees. They help in pollination as while collecting the nectar they transfer pollen between flowers. Thus the correct answer is option B. 
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