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Reproduction in Organisms Test - 19

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Reproduction in Organisms Test - 19
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  • Question 1
    1 / -0

    The period from birth to death of an organism represents

    Solution

    The period from Birth of an individual to its natural death is called life span. Different organisms have different life span starting from one day to hundreds of years

  • Question 2
    1 / -0
    In Ulothrix, meiosis takes place in
  • Question 3
    1 / -0
    Which of the following is a unicellular animal having short thread-like structures called cilia over its surface?
  • Question 4
    1 / -0
    During the process of evolution, development of trichogyne of algae could be traced as
  • Question 5
    1 / -0
    Which of the following are microscopic motile asexual reproductive structures?
  • Question 6
    1 / -0

    The period of pregnancy is known as

    Solution

    The duration from implantation of fertilised eggs to uterus till birth of well-developed baby is called gestation period. It is about nine months in human beings.

  • Question 7
    1 / -0
    Which of the following organisms can reproduce new organisms by regeneration?
  • Question 8
    1 / -0

    Reproduction is an essential life process, which help in

    Solution

    During reproduction, new individuals are produced having similar traits that help in continuity of species. It is essential as all living organisms have fixed life span

  • Question 9
    1 / -0
    Which of the following statements is/are incorrect about fungal reproduction?
  • Question 10
    1 / -0
    Rotation of body during metamorphosis is at 90 degree in
  • Question 11
    1 / -0
    Which of the following statements is false?
  • Question 12
    1 / -0
    Match the following:
    P. Rhizopus 1. Egg
    Q. Anther 2. Pollen grain
    R. Ovule 3. Spore
  • Question 13
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    Match the following:
    a. Regeneration 1. It is the process of getting back a full organism from its body part. 
    b. Fragmentation 2. It is the process in which new plants are obtained from the parts of old plants without the help of any reproductive organs. 
    c. Vegetative propagation 3. It is the process of breaking up of the body of a simple multicellular organism into two or more pieces on maturing, each of which subsequently grows to form a complete new organism. 
  • Question 14
    1 / -0
    Vegetative reproduction is done by using tubers in
  • Question 15
    1 / -0

    Largest bird is

    Solution

    Ostrich is a large sized bird. It is not able to fly long distance. The egg of ostrich is considered largest cell which is about one meter in diameter.

  • Question 16
    1 / -0
    Reproduction is the process of generating offsprings. Various unicellular organisms reproduce by
  • Question 17
    1 / -0
    In bryophyllum, new plants arise from buds present on the margin of 
  • Question 18
    1 / -0
    Match the following:
     
    P. Spirogyra 1. Vegetative propagation
    Q. Rose 2. Fragmentation
    R. Planaria 3. Sexual reproduction
    S. Human 4. Regeneration
  • Question 19
    1 / -0
    Which of the following is correct for sexual reproduction?
  • Question 20
    1 / -0

    Some scientist consider virus as living entities because they can

    Solution

    Virus is called as borderline of living and non-living. Viruses act as living one when inside the other living organism and reproduce very fast. When outside the living body, virus behaves as molecules without any sign of living.

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