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Subject :NSO    Class : Class 6

Refer to the given figure with its parts labelled as P, Q, R and S. Which of the following statements are correct regarding this?

(i) Plants like carrot, radish and turnip store their food in R.
(ii) Q and P are modified into tendrils in plants like grapevine and Gloriosa respectively, to help them give support.
(iii) In cactus and aloe vera P is reduced to spines and Q stores water and mucilage.
(iv) In onion and beetroot, S and Q are modified respectively to store food.
(v) In ginger and potato, Q is underground and modified to store food.

A(i), (ii) and (iii) only B.
B(i), (ii) and (v) only
C(iii) and (iv) only
D(iii), (iv) and (v) only


Ans 1:

Class : Class 6
correct answer is B

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Venus

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
it is completely wrong

Ans 2:

Class : Class 7
none of the options are correct.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7

Ans 6:

Class : Class 8
wrong question

Ans 7:

Class : Class 8
It is meaningless

Ans 8:

Class : Class 8
This question is absolutely wrong

Ans 9:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
AN INSULATOR (C)

Ans 2:

Class : Class 6
Wood is a bad conductor of heat. This results in very slow heating of wood. This principle is used when we use wood utensils to cook food. I go by option (B).

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
D I guess,I am not sure

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
the answer is d only in the cocoon stage they are heated in the hot water so that the reproducing caterpillar will die and it will be very easy to extract silk fiber from it.

Ans 2:

Class : Class 7
IT IS 'D' BECAUSE AT COCOON STAGE THE CATERPILLAR PRODUCES SILK FIBRES AND KNOTS AROUND IT AND COVERS HIMSELF.AFTER SOME TIME THE SILK FIBRES GETS HARDEN DUE TO THE GUMMY SUBSTANCE WHICH THE CATERPILLAR PRODUCES............IT IS CALLED "FIBROIN" WHICH IS MADE UP OF PROTEINS.ON HEATING THE COCOONS IN WATER THE SILK AGAIN BECOMES SOFT AND IS EXTRACTED FROM COCOONS........THIS PROCESS IS CALLED "REELING OF SILK"

Ans 3:

Class : Class 8
as larva produces and when it is fully produced it forms a cocoon

Ans 4:

Class : Class 7
I thought the silk is obtained from the cocoon

Ans 5:

Class : Class 7
it must be c . at cocoon stage silk is already produced

Ans 6:

Class : Class 8
No, the answer is 'C' only. In pupa stage the silk fiber is only obtained, but actually it is produced by larva and in question it is asked which stage produces fiber. Hence, the answer is 'C".

Ans 7:

Class : Class 6
answer is c because in the pupa stage the silk is already produced and in the larvae stage it produces silk when it is ready to go in the next stage of its life

Ans 8:

Class : Class 7
it is c because the silk has already started getting produces when it is larva

Ans 9:

Class : Class 7
OPTION C

Ans 10:

Class : Class 7
ans:c,you may think d,but only in larval stage it produce silk in option d it is in a cocoon stage it cannot produce silk

Ans 11:

Class : Class 8
also felt d but explanation provided above makes me feel c

Ans 12:

Class : Class 7

Ans 13:

Class : Class 5
Answer should be C ,as only larvae in the life cycle of moth produce silk fibres , pupa or cocoon does NOT make silk fibres . They only undergo change in stage IN the silk fibres. They do not have the ability to produce silk fibres !

Ans 14:

Class : Class 7
The answer is C as at that time of a Silkworms life it will produce silk. With that silk they will make a cacoon and then they will become a Moth. While it is a Pupa it does not have the ability to make Silk hence the answer is C

Ans 15:

Class : Class 8
no it is c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
C

Ans 2:

Class : Class 6
c

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 3:

Class : Class 9

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5

Ans 3:

Class : Class 3

Ans 4:

Class : Class 5
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
I don't know

Ans 2:

Class : Class 4
c correct

Ans 3:

Class : Class 4
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Ans 4:

Class : Class 4

Ans 5:

Class : Class 4

Ans 6:

Class : Class 5
Answer will be A). It is because, humus is found on topsoil and not in deep layers of soil.

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