Praveen Gupta
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question on chapter 1 of universal science

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Praveen Gupta
Created by Praveen Gupta over 8 years ago
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5 science chap1

Question 1 of 22

1

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The baby plant between the cotyledons is called the .

Explanation

Question 2 of 22

1

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is an important factor that determines how a seed is dispersed.

Explanation

Question 3 of 22

1

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Seeds of have wings that spin through the air like mini helicopters.

Explanation

Question 4 of 22

1

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has air trapped between its fibres.

Explanation

Question 5 of 22

1

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Seeds of some plants such as gram have two cotyledons. They are called .

Explanation

Question 6 of 22

1

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Seeds of some plants such as rice and maize have one cotyledon. They are called .

Explanation

Question 7 of 22

1

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Seeds that get attached to our clothes or to the fur of animals are called .

Explanation

Question 8 of 22

1

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Guava seeds are dispersed by animals. This method is called .

Explanation

Question 9 of 22

1

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Chemicals used for destroying harmful insects are called .

Explanation

Question 10 of 22

1

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Chemicals used for destroying harmful pests are called .

Explanation

Question 11 of 22

1

The rose plant reproduces by root.

Select one of the following:

  • True
  • False

Explanation

Question 12 of 22

1

Bread mould reproduces by spores.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 22

1

Hemp is an oil producing crop.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 22

1

Weeding should be done regularly.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 22

1

Fencing the fields can prevent grazing animals from entering them.

Select one of the following:

  • True
  • False

Explanation

Question 16 of 22

1

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is thick covering of a seed that protects the baby plant.

Explanation

Question 17 of 22

1

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are seed leaves that contain food for the baby plant.

Explanation

Question 18 of 22

1

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is the process by which a seed develops into a baby plant in the presence of water, air and sunlight.

Explanation

Question 19 of 22

1

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crops are grown in the summer season.

Explanation

Question 20 of 22

1

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crops are grown in the winter season.

Explanation

Question 21 of 22

1

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is supplying crops with water.

Explanation

Question 22 of 22

1

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is to cut and gather the crop.

Explanation