In this page we have NCERT Solutions for Class 7 Science Chapter 12 Reproduction in Plants . Hope you like them and do not forget to like , social share
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Fill in the blanks:
(a) Production of new individuals from the vegetative part of parent is called _____________.
(b) A flower may have either male or female reproductive parts. Such a flower is called_____________.
(c) The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as _____________.
(d) The fusion of male and female gametes is termed as _____________.
(e) Seed dispersal takes place by means of _____________, _____________ and _____________.
(a) vegetative propagation.
(e) wind, water and animals.
Describe the different methods of asexual reproduction. Give examples.
Different methods of asexual reproduction:
Explain what you understand by sexual reproduction.
In Sexual reproduction, two parents are involved for the production of new generation. The reproduction is done by male and female gametes. The stigma contains the male parts in which pollen grains are formed and pistil consists of stigma, style and ovary which contains the female parts. Most of the plants reproduce sexually with the help of flowers and seeds.
State the main difference between asexual and sexual reproduction.
Sketch the reproductive parts of a flower.
Explain the difference between self-pollination and cross-pollination.
How does the process of fertilization take place in flowers?
Fertilization is the process in which male and female gametes fuse together. In flowering plants, the pollen fuses with ovules present in the ovary to form a zygote, which later on develops into seed.
Describe the various ways by which seeds are dispersed.
Various agents by which seeds are dispersed are:
Match items in Column I with those in Column II:
Tick (?) the correct answer:
(a) The reproductive part of a plant is the
(b) The process of fusion of the male and the female gametes is called
(iv) seed formation
(c) Mature ovary forms the
(d) A spore producing plant is
(ii) bread mould
(ii) bread mould
(e) Bryophyllum can reproduce by its
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Class 7 Maths
Class 7 Science