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Which of the following parts of a plant take part in sexual reproduction? (i) Flower (ii) Seed (iii) Fruit (iv) Branch Choose the correct answer from below. - Science

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प्रश्न

Which of the following parts of a plant take part in sexual reproduction?

(i) Flower

(ii) Seed

(iii) Fruit

(iv) Branch

Choose the correct answer from below.

विकल्प

  • (i) and (ii)

  • (i), (ii) and (iii)

  • (iii) and (iv)

  • (ii), (iii) and (iv)

MCQ

उत्तर

(i), (ii) and (iii)

Explanation:

Sexual reproduction is the process of the development of new organisms through the formation and fusion of gametes. The organs specialised to perform sexual reproduction in flowering plants are flowers. After fertilisation ovary changes into fruit and ovules change into seeds. Seeds produce new plants.

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अध्याय 12: Reproduction in Plants - MULTIPLE CHOICE QUESTIONS [पृष्ठ ६२]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 12 Reproduction in Plants
MULTIPLE CHOICE QUESTIONS | Q 1. | पृष्ठ ६२

संबंधित प्रश्न

Production of new individuals from the vegetative part of parent is called ______.


Describe the different methods of asexual reproduction. Give examples. 


Factors responsible for the rapid spread of bread mold on slices of bread are ______

(i) a large number of spores
(ii) availability of moisture and nutrients in bread
(iii) presence of tubular branched hyphae
(iv) formation of round shaped sporangia


what are the kinds of reproduction?


The ability of a cell to divide into several cells during reproduction in Plasmodium is called 


What is a clone? Why do offsprings formed by asexual reproduction exhibit remarkable similarity?


Write two points of difference between asexual and sexual types of reproduction. Describe why variations are observed in the offspring formed by sexual reproduction.


Lila observed that a pond with clear water was covered up with a green alga within a week. By which method of reproduction did the algae spread so rapidly?


One morning as Paheli strolled in her garden she noticed many small plants which were not there a week ago. She wondered where they had come from as nobody had planted them there. Explain the reason for the growth of these plants.


The most obvious outcome of the reproduction process is the generation of individuals of similar design, but in sexual reproduction they may not be exactly alike. The resemblances as well as differences are marked. The rules of heredity determine the process by which traits and characteristics are reliably inherited. Many experiments have been done to study the rules of inheritance.
  1. Why an offspring of human being is not a true copy of his parents in sexual reproduction? 
  2. While performing experiments on inheritance in plants, what is the difference between F1 and F2 generation?
  3. (A) Why do we say that variations are useful for the survival of a species over time?
    OR
    (B) Study Mendel's cross between two plants with a pair of contrasting characters.
    RRYY × rryy
    Round Yellow Wrinkled Green

    He observed 4 types of combinations in F2 generation. Which of these were new combinations? Why do new features which are not present in the parents, appear in F2 generation?


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