Question

True/False -
1. In self pollination, only one parent is involved.
2. Grafting can be done between different varieties of a plant.
3. Algae, ferns and mosses reproduce by producing seeds.
4. Dispersal of seeds is necessary for better survival of plants.
5. The ovary turns into seeds after fertilization.​

Answer 1

Answer:

True

False

False

True

True

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Answer 2

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1. In self pollination, only one parent is involved.

$\implies \sf{True}$

• Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant.
• Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.

2. Grafting can be done between different varieties of a plant

$\implies \sf{True}$

• Grafting is a horticultural method used to create a union between two different plants.
• These two plants include the upper part (scion) and the lower root system (rootstock).
• The scion is the desired plant, which will use the rootstock as a vehicle for growth.

3. Algae, ferns and mosses reproduce by producing seeds.

$\implies \sf{False}$

• Ferns, horsetails, mosses, and liverworts do not produce flowers or grow from seeds.
• The life cycles of these plants have two distinct stages – one in which SPORES are produced, and one in which sex cells (sperm and eggs) are produced.

4. Dispersal of seeds is necessary for better survival of plants.

$\implies \sf{True}$

• Dispersal of seeds is very important for the survival of plant species.
• If plants grow too closely together, they have to compete for light, water and nutrients from the soil.
• Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.

5. The ovary turns into seeds after fertilization.

$\implies \sf{False}$

• The ovules turns I to seeds after fertilization.
• The ovary turns into fruits.