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Subject :NSO    Class : Class 4

Three uniform planks, P, Q and R are balanced on pivots. Two equal forces, each of value F, act on each plank but in different manners as shown in the figure.Which of the following options is correct regarding this?


APlank P will either bend or break.
BPlank Q will show no movement at all.
CPlank R will be pulled up the pivot.
DPlank P will show no movement at all.


if equal is being applied on Q....on the left lower and right upper end.... wont it balance out and not make Q move? How is option B correct?

Ans 1:

Class : Class 4
B

Ans 2:

Class : Class 4
answer is d

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Subject :NSO    Class : Class 6

Read the statements regarding the given food web and select the option that consists of all correct statements.

(i) There are 7 interconnected food chains in the given food web.
(ii) Snake and fox serve as top consumers in the given food web.
(iii) Snake serves as primary, secondary as well as tertiary consumer in the given food web.
(iv) If populations of rat and rabbit are removed from this community then populations of snake and fox will be equally affected negatively.
(v) There are four primary consumers and two secondary consumers in the given food web.
(vi) If the populations of top consumers are removed from this food web then populations of all primary consumers of web will decline.

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


The answer should be - d

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Which of the following statements is/are INCORRECT regarding the given figures, X and Y?
1. X depends partly on animals for food but can also make its own food while Y cannot make its own food.
2. X has chlorophyll while Y does not contain chlorophyll and is non-green.
3. In X, food is prepared by the green stem, whereas Y obtains its food from dead and decaying plants and animals.
4. X and Y have patches of green colour. Only green part of their leaves performs photosynthesis.


A1, 3 and 4
B2 and 3
C1 and 4
D3 and 4


C

Ans 1:

Class : Class 4
B

Ans 2:

Class : Class 4
C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
You might've searched for the number of bones in a human body, which means in an adult... 206 is the no. of bones in an adult but in a newborn baby, there are about 300 bones which join together slowly when we grow up....

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
A is the answer.its bread

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
we can know that there is tilt as the seasons are caused mainly due to it. the other reason is that if the earth were straight, then it would have been normal days and nights on the poles, i.e., not a 6-month day and 6- month night.... In summers the earth's north pole is towards the sun, so it's completely dark in the south pole.... In winters, it is vice versa.

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 4

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