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Sarthak yadav from RPS, mahendergarh

Subject :NSO Class : Class 4

Desert Oak is a tree that is found in Australia. It has very few leaves. Local people put a thin pipe into the trunk of this tree. The purpose of this is to

(A) Drink water

(B) Eat food

(C) Take air

(D) All of these.

how

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Ans 1:

NIRANJANA from INDIRA NATIONAL SCHOOL, PUNE

Class : Class 6

Option A

Ans 2:

ANIKET RAY from DPS ROURKELA, Rourkela

Class : Class 5

OPTION ........A

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Vivan from Tathva International school, Tokyo

Subject :NSO Class : Class 7

Given below are statements about importance of minerals made by four students :

Which of the students have made incorrect statements?
(a) Ali and Swati
(b) Ali and Lily
(c) Ali, Lily and Swati
(d) Mohan and Swati

Is the correct answer really C?I searched them all up and they all are correct.I am really confused. HELP!

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is C.

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Vivan from Tathva International school, Tokyo

Subject :NSO Class : Class 7

Which of the following represents the number line for operation 0 - (-2) - (-3)?

(A)

(B)

(C)

(D)
Do the brackets represent a) Absolute value, orb) just Parentheses?

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is A.

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Vivan from Tathva International school, Tokyo

Subject :NSO Class : Class 7

Match column I with column II and select the correct option from the codes given below.

Column I Column II

(a) Earthworm (i) Pulmonary

(b) Human (ii) Branchial

(c) Prawn (iii) Tracheal

(d) Insects (iv) Cutaneous

(A) (a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)

(B) (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

(C) (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

(D) (a) - (iv), (b) - (ii), (c) - (i), (d) - (iii).
I SERIOUSLY don't understand what the function of each thing. Can anyone please explain?

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Ans 1:

Harshil Malhotra from Takshila, Mandi

Class : Class 8

I think Its option (B) . or It is related to respiratory system .

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Shreya Bajpai from St Josephs Girls H S School , Bhopal

Subject :NSO Class : Class 8

The microorganisms that cause diseases are known as pathogens or germs. Microorganisms also cause diseases in animals and plants other than human beings. Select the incorrect statement from the following.

(A) Anthrax is caused by bacteria and it affects humans and cattle

(B) Rust of wheat is a fungal disease

(C) Citrus canker is a viral disease that affects citrus fruits

(D) Yellow vein mosaic is a viral disease, spread by insects and it affects vegetables.
it is completely wrong citrus canker is a disease that affects citrus fruits

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Ans 1:

Nandini Singh from Delhi Public School, Anuppur

Class : Class 9

I also thought that but it's not viral.

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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata

Subject :NSO Class : Class 6

Shadow moves on screen when

(i) The source moves parallel to the screen.

(ii) The object moves parallel to the screen.

(iii) The source moves away from the screen.

(iv) Colour of the source of light changes.

(A) (i) & (ii)

(B) (ii) & (iii)

(C) (iii) & (iv)

(D) (i), (ii) & (iii).

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Ans 1:

ANWESH from DAV DEEPSIKHA, DEEPSIKHA

Class : Class 8

D IS THE ANSWER

Ans 2:

Abhik Roy from Sri Chaitanya Techno School, Bengaluru

Class : Class 8

I think A is the answer

Ans 3:

Ritayan Misra from Aditya Birla Public School, Rayagada

Class : Class 7

I think A is the answer,other two options show change of size of shadows not movement.

Ans 4:

Aditya Sai Vemparala from Amanora school, Pune

Class : Class 8

Ans 5:

Pragya Mahajan from BCM Arya Model Sr Sec School, Ludhiana

Class : Class 8

i think d. is the ans.

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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata

Subject :NSO Class : Class 6

The shape of the shadow depends upon

(A) Size of the object

(B) Position of source of light

(C) Size of source of light

(D) Shape of the object

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Ans 1:

Vasu tyagi from St Joseph's High school, Panvel

Class : Class 6

Your answer is D ) because shape is been asked not size !

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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata

Subject :NSO Class : Class 6

Which of the following statements is false?

(A) Shadows cannot be formed when an object allows some light to pass through it.

(B) Shadows are always formed on the opposite side of the light source.

(C) A shadow has a similar shape to the object that forms the shadow.

(D) An object can form as many shadows as there are light sources around it.

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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata

Subject :NSO Class : Class 6

Study the set-up below.

Which of the following shows what the shadow will look like?

(A)

(B)

(C)

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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata

Subject :NSO Class : Class 6

The image formed by a pinhole camera is upside-down because

(A) Light travels in straight line.

(B) Light rays become laterally inverted as they pass through a pin hole camera.

(C) Light rays pass through the pin hole.

(D) Light rays get reflected.

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Ans 1:

Tushar from DPS, Bengaluru

Class : Class 9

the answer should be option A.

Ans 2:

Sagnik Das from Gorabazar Iswar Chandra Institution, Berhampore

Class : Class 9

A

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