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Reproduction in Organisms Test - 29

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Reproduction in Organisms Test - 29
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  • Question 1
    1 / -0
    Budding and fission are processes used by
    Solution
    Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only.
    Dioecious (has either male or female sex organ) or hermaphroditic species (has both male and female sexes) undergo sexual reproduction.
    Budding and fission are types of asexual reproduction.
    Thus, the correct answer is option (A), 'Asexually reproducing species'.
  • Question 2
    1 / -0
    The process of development of organism like itself is called-
    Solution
    • Reproduction can be defined as the biological process by which new individuals or offsprings are produced from their 'parents'. 
    • Since the offsprings contain the genetic material obtained from their parents, they are similar to their parents.

    So the correct answer is option C.
  • Question 3
    1 / -0
    Consider the following statements and choose the correct option.
    Solution
    In vegetative propagation new plant arise from vegetative parts of plant so offspring is clone of parent and have same genetic constituent. Vegetative propagation in ginger occur from underground stem called as Rhizome. Totipotency is important in plant cell and tissue culture. Totipotency means whole plant can be regenerate from single cell. In tissue culture we produce new plant from single cell by giving plant hormones and required nutrients.
  • Question 4
    1 / -0
    By which method, asexual reproduction occurs in Amoeba-
  • Question 5
    1 / -0
    In Yeast, budding occurs in
    Solution
    Budding is form of asexual reproduction. It takes place in yeast in favourable conditions. Reproduction by sporulation takes place in yeast in unfavourable condition.
  • Question 6
    1 / -0
    In the figure of budding in Yeast, structures a, b, c and d should be labelled respectively as

  • Question 7
    1 / -0
    The fusion of male and female gametes is termed as
    Solution
    • Sexual reproduction involves the formation and fusion of germ cells or gametes of both males and females.
    • This fusion of male and female gamete is termed as fertilization or syngamy.
    • Fertilization can either occur externally (outside the body of a female) or internally (inside the body of a female) to form a diploid zygote which will further develop to form the embryo and later a complete individual.

    So the correct answer is option C.
  • Question 8
    1 / -0
    Reproduction is essential for living organisms in order to
    Solution
    Reproduction is important because, with the help of reproduction, a new generation of species are produced. With the help of reproduction, genetic traits of that species are transferred from one generation to another.
  • Question 9
    1 / -0
    In the list of organisms given below, those that reproduce by the asexual methods are:
    Solution
    Banana reproduce asexually by 'suckers' formation. Yeast reproduce asexually by budding and amoeba by binary fission, multiple fission, sporulation and regeneration.
  • Question 10
    1 / -0
    Which of the following is a hermaphrodite animal?
    Solution

    • Organisms having a male as well as female reproductive organs are called hermaphrodite animals. 
    • It is common in most of the invertebrates like flatworms, arrow worms, sea slugs, land snails, barnacles, earthworms, and leeches. 
    • Though they have both male and female organs, self-fertilization does not occur in most of them. 
    So, the correct answer is option C.

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