Please select a subject first
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Match the pairs:
| Group ‘A’ | Group ‘B’ |
| (1) Parasitic plant | (a) Mushroom |
| (2) Insectivorous plant | (b) Lichen |
| (3) Saprophytic plant | (c) Drosera |
| (4) Symbiotic plant | (c) Drosera |
Concept: undefined >> undefined
Read the paragraph and answer the following questions.
| I am a penguin. I live in polar region covered by snow. My abdomen is white. My skin is thick with a layer of fat underneath. My body is spindle-shaped. My wings are small. My toes are webbed. We live in flocks. |
- Why is my skin white and thick and why is there a thick layer of fat underneath?
- Why do we live in flocks sticking close to each other?
- Which geographical region do I inhabit? Why?
- Which adaptations should you have to enable you to live permanently in the polar region? Why?
Concept: undefined >> undefined
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Who is lying?
Cockroach – I have five legs.
Concept: undefined >> undefined
Read the following statement. Write a paragraph about adaptation with reference to the statement.
There is extreme heat in deserts.
Concept: undefined >> undefined
Why is the camel called the 'Ship of the desert'?
Concept: undefined >> undefined
The shining surface in a thermos flask decreases the outgoing heat by ______.
Concept: undefined >> undefined
Write an answer to the following question in your own words.
In everyday life, where and for what purpose do we use centrifugation?
Concept: undefined >> undefined
Give reason.
An iron article should be given a coat of paint
Concept: undefined >> undefined
Give reason.
A wooden article should be polished.
Concept: undefined >> undefined
Give reason.
Copper and brass utensils should be tinned.
Concept: undefined >> undefined
Who is lying?
Hen – My toes are webbed.
Concept: undefined >> undefined
Who is lying?
Cactus – My fleshy, green part is a leaf.
Concept: undefined >> undefined
Give a scientific reason.
In chromatography, the ingredients of a mixture rise up to limited height water rises up to the upper end of the paper.
Concept: undefined >> undefined
What will happen if only one crop is grown repeatedly in the soil?
Concept: undefined >> undefined
Write an answer to the following question in your own words.
What do we get from forests?
Concept: undefined >> undefined
Write an answer to the following question in your own words.
Why is the diversity of plants and animals in the forests declining?
Concept: undefined >> undefined
Match the pairs.
| Group ‘A’ | Group ‘B’ | ||
|
1) |
Parasitic plant | a) | Mushroom |
| 2) | Insectivorous plant | b) | Lichen |
| 3) | Saprophytic plant | c) | Drosera |
| 4) | Symbiotic plant | d) | Cuscuta |
Concept: undefined >> undefined
Write an answer to the following question in your own words.
What are the items included in ocean resources? What are their uses?
Concept: undefined >> undefined
The process of digestion starts from the ______.
Concept: undefined >> undefined
Pushing forward the food that has been chewed is the function of the ______.
Concept: undefined >> undefined
