science - getting to know plants

Class 6 - Science

Getting to Know Plants

Q&A
Question:

What are unisexual and bisexual flowers?

Answer:

Unisexual flower has either male (stamen) or female (pistil) parts.
Bisexual flowers have both male and female whorl in the flowers, i.e., they have both stamen and pistil.



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Questions and Answers


Getting to Know Plants - Questions
1.

Give names of two plants which have tap root.


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2.

Name the various parts of pistil.


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3.

Where does the photosynthesis take place in plants?


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4.

Name the prominent parts of a flower.


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5.

What are petals? Why are they generally coloured?


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6.

Name a plant that eats insect.


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7.

Write the names of the parts of a flower in sequence, from outside to inside.


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8.

What are the major parts of plants?


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9.

Give two examples of trees.


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10.

Name various parts of stamen.


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11.

Correct the following statements and rewrite them in your notebook.
(a) Stem absorbs water and minerals from the soil.
(b) Leaves hold the plant upright.
(c) Roots conduct water to the leaves.
(d) The number of sepals and petals in a flower is always equal.
(e) If the sepals of a flower are joined together, its petals are also joined together,
(f) If the petals of a flower are joined together, then the pistil is joined to the petal.


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12.

Name two plants that belong to herbs.


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13.

Give two examples of shrubs.


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14.

What is lamina?


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15.

Name the part of plant which helps in holding the plant in the soil.


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16.

What are tap roots?


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17.

What are lateral roots?


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18.

Does the stem prepare food for any plant?


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19.

Does the stem prepare food for any plant?


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20.

What are trees? Give two examples.


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21.

What are creepers? Write an example.


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22.

Name a plant that has underground as well as aerial (above the ground) root system.


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23.

What do you mean by a complete and incomplete flower?


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24.

Leaves need oxygen and carbon-dioxide (for photosynthesis). How do they get these gases?


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25.

Explain an activity to test the presence of starch in a leaf.


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26.

Is it possible for you to recognise the leaves without seeing them? How?


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27.

Name the part of the plant which produces its food. Name this process.


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28.

In which part of a flower you are likely to find the ovary?


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29.

Are all the plants same in size?


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30.

How many kinds of plants are there?


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31.

What are veins?


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32.

How many types of leaf venation are there?
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33.

What is transpiration?


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34.

What are the raw materials for photosynthesis?


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35.

Where does the photosynthesis take place in plants?


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36.

What are fibrous roots?


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37.

What are sepals? What are their functions?


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38.

What is pistil?


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39.

What are ovules?


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40.

Classify plants and give an example of each.


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41.

What are herbs? Give two examples.


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42.

Explain the main functions of leaf.


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43.

What are unisexual and bisexual flowers?


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44.

What are unisexual and bisexual flowers?


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45.

Why do we see dew drops on leaves in the early morning?


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46.

Why are petals colourful?


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47.

Why does white flowers bloom at night?


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48.

What is the relation between leaf venation and the type of roots?


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49.

Explain that sunlight is essential for photosynthesis.


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50.

Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), china rose.


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