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questions & answers.
Q1.
Write T for True and F for False.
- Sepals attract insects.
- Petals are green.
- Petals are the showy part of a flower.
- Carpel and stamens are involved in seed formation
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- F
- F
- T
- T
Q2.
Arrange the statements in the correct sequence by numbering them to show the formation of a seed.
- Seed is formed.
- Pollen tube is formed.
- Pollination occurs.
- Pollen tube grows through the style.
- Contents of pollen tube mix with the ovule.
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- Pollination occurs.
- Pollen tube is formed.
- Pollen tube grows through the style.
- Contents of pollen tube mix with the ovule.
- Seed is formed.
Q3.
Look at the pictures shown here and note down the ways in which plants are useful to us.
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The following diagram is completed with required information.
Q4.
Choose the correct option. (MCQs)
- Why is water needed for germination to occur?
- It cleans the seed.
- It wets the seed.
- It makes the seed swell up.
- It allows stored food in cotyledons to become available for use by the embryo.
- Air is necessary for germination ______________.
- to make the seed lighter
- to allow the seed to float
- to allow stored food to be used for release of energy
- to make water aerated
- Warmth is needed for germination because ______________.
- it helps in the growth of the seed
- it makes the seed comfortable
- it makes the seed absorb soil
- it is better to be warm than to be cold
- Which is not true of flowers?
- Reproductive parts of a plant
- Change into fruit
- Contain seeds
- Attractive
- Which among the following is not required for germination of seeds?
- Water
- Air
- Sunlight
- Pressure
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answer not shownQ5.
Write the missing words to complete each of the following:
- Sepals help protect the ___________, while petals help ___________.
- Carrot grows from a root, while potato grows from a ___________.
- Pollen grains are found in anther, while ovule is found in ___________.
- Seed coat is the seed covering, while micropyle is the ___________.
- The reproductory parts in a flower are ___________ and ___________.
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- bud, insects
- stem
- ovary
- a tiny hole
- stamen, carpel






















































