Question

Answer all the given questions quickly and correctly​

Answer 1

Answer:

1. Fill in the blanks

a) vegetative propagation

b) uni sexual flower

c) cross pollination

d) fertilization

e) air, water, animals.

2. budding microscopic organisms such as yeast reproduce asexually by budding. in this process a small bulb like silver outgrowth called Bud,is found from the cell. this bud keep on increasing in size and form an independent organism which separate from parent.

fragmentation the adult organism just break up into two or more pieces call fragment each of these pregnant grows up and to become a new.

spore formation some plants such as form and Moses multiply sexually through sports sports are microscopic single celled or asexual reproductive bodies that are mostly super figure in shapes they are protected by a thick walled when conditions are in favourable was the condition for germination are favourable this force burst out of the thick walled start multiplying and grow into a new plant.

3.A sexual reproduction involved in the simple division of the plant body into two or more parts of formation of sports first of a new plant body is found from a single parent. this happens under a favourable condition.the transfer of pollen grains from the anther to the stigma is known as pollination which comes under sexual reproduction of flower.

4. sexual reproduction the formation of a new plant with the fusion of male and female gametes called sexual reproduction.

asexual reproduction the formation of a new plant from the cell of a single parent is called a sexual reproduction.

5. As in picture...

6. self pollination in self pollination pollen grains are transferred from the anther to stigma of the same flower.

cross pollination in cross pollination the pollen grains are transferred from the anther of one flower to the stigma of another flower of same kind.

7. fertilization

• the pollen grain size of these nutrients and start growing
• a thin tube grows out of the pollen grains
• the pollen tube keeps growing till it reaches the ovule inside the ovary and enter its.
• the male gametes is carried inside of a pollen tube once the pollen tube reaches the ovule the male gametes fuse with the female gametes present there.
• zygote is formed after fertilization takes place.

8. dispersal by explosion seetha automatically set free by opening of the fruits and explosive mechanism was the fruit open to release the seat for example pea plant castor.

dispersal by wind some seeds have radiating threads or wings that form the press parachute so that they can carry long distance even the gentle breeds.

dispersal by water some seeds have a sponge outer coat of help them float on water.

dispersal by animal fruits are eaten by birds and mammal seeds of these fruit pass through the digestive tract of animal and get dispersed.

9. match the following

• bud is to yeast
• eyes is to potato
• fragmentation is to spirogyra
• wings is to Maple
• spore is to rose

10. tick the correct option

• flower
• fertilization

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