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Reproduction in Plants Test - 7

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Reproduction in Plants Test - 7
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Weekly Quiz Competition
  • Question 1
    1 / -0
    The edible part of potato is
    Solution
    The edible part of potato is stem.The edible portion is an underground stem that is also a tuber. The "eyes" of the potato are lateral buds.
  • Question 2
    1 / -0
    Which of the following is not a method of vegetative propagation?
    Solution
    Sowing is not a method of vegetative propagation. The methods of vegetative propagation include cutting, vegetative apomixis, layering, division, budding, grafting, and tissue culture.
  • Question 3
    1 / -0
    Plants that are derived from the vegetative organs of a single plant are known as
    Solution
    Plants that are derived from the vegetative organs of a single plant are known as clones because they have the same genetic composition as of their parent individual.
  • Question 4
    1 / -0
    Which of the following is the main advantage of vegetative propagation?
    Solution
    Vegetative propagation produces genetically uniform progeny because their genetic make up is as same as of their parental make up.
  • Question 5
    1 / -0
    Which of the following parts of onion is used for vegetative propagation?
    Solution
    Bulbs of onion are used for vegetative propagation. A bulb is a thick, short, underground stem in the form of a disc, which bears overlapping scale leaves containing food. The terminal bud grows into a green aerial shoot under suitable conditions.
  • Question 6
    1 / -0
    Fig is an example of
    Solution
    Fig is an example of hypanthodium.It isa type of inflorescence in which the receptacle becomes spherical with a cavity inside. It opens to the outside with a small opening. Numerous small sessile flowers are produced from the inner surface of the receptacle. These flowers are of three types: male flowers, female flowers and sterile female flowers (gall flowers).
  • Question 7
    1 / -0
    What do you call the pollination performed by bats?
    Solution
    The pollination performed by bats is called cheiropterophily.Bat pollination is most common in tropical and desert areas that have many night-blooming plants.
  • Question 8
    1 / -0
    By which of the following methods is a cone obtained?
    Solution
    A cone is obtained by the method of vegetative propagation.
  • Question 9
    1 / -0
    Which of the following is a group of plants that are propagated through underground roots?
    Solution
    Sweet potato, asparagus and dahlia is a group of plants which are propagated through underground roots.
  • Question 10
    1 / -0
    Which of the following plants is propagated by leaves?
    Solution
    Kalanchoe is propagated by leaves.It is a type of asexual reproduction.
  • Question 11
    1 / -0
    The roots of which of the following plants are used in vegetative propagation?
    Solution
    The roots of sweet potato are used in vegetative propagation. Vegetative propagation is a form of asexual reproduction of a plant. Only one plant is involved and the offspring is the result of one parent. The new plant is genetically identical to the parent.
  • Question 12
    1 / -0
    In which of the following plants is air layering performed?
    Solution
    Air layering is performed in litchi plant. It is a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
  • Question 13
    1 / -0
    Which of the following is formed by scion in grafting?
    Solution
    Shoot system is formed by scion in grafting, whereas root system is formed by stock. Grafting is a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together.
  • Question 14
    1 / -0
    Which of the following plants is usually propagated by stem cutting?
    Solution
    Rose plant is usually propagated by stem cutting. The cutting produces new roots, stems, or both; thus becomes a new plant independent of the parent.
  • Question 15
    1 / -0
    During pollination, pollen grains are received by the
    Solution
    During pollination, after the pollen grain has landed on the stigma, it creates a pollen tube which grows down the style until it reaches the ovary.
  • Question 16
    1 / -0
    Where are the female germ cells of a flower located?
    Solution
    Female gametophytes of flowering plants develop within the ovule (megaspore) contained within an ovary at the base of the pistil of the flower.
  • Question 17
    1 / -0
    Which of the following is not a part of a carpel?
    Solution
    Anther is not a part of a carpel. It is a part of stamen.
  • Question 18
    1 / -0
    Which of the following correctly defines the term 'pollination'?
    Solution
    Transfer of pollen from anther to stigma is called pollination. It is unique to the angiosperms, the flower-bearing plants.
  • Question 19
    1 / -0
    What do you call the development of seedless fruit in an unfertilised flower?
    Solution
    The development of seedless fruit in an unfertilised flower is called parthenocarpy.Seedlessness is seen as a desirable trait in edible fruit with hard seeds such as pineapple, banana, orange and grapefruit.
  • Question 20
    1 / -0
    Which of the following parts is called the future shoot of a germinating seed?
    Solution
    Plumule is called the future shoot of a germinating seed. From it, true leaves originate.
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