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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

Post Your Answer

PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

One word answers are given for a few statements. Mark the answer which is not correct.

A Resources which will either never run out or are replaced within a reasonable period of time - Renewable resources.
B Wise and careful use of resources by not wasting them - Conservation.
C Conversion of wood into coal over million of years due to high temperature and pressure under the earth - Carbonisation.
D A black, viscous liquid extracted from the rocks which is a source of hydrocarbons - Coal tar.


Ans 1:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8

Ans 2:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 8

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

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

Column I (Amorphous forms of carbon) Column II (Uses)
(P) Lamp black (i) For making electrodes for dry cell
(Q) Bone charcoal (ii) In gas masks
(R) Wood charcoal (iii) In extraction of metals
(S) Gas carbon (iv) To remove colour from sugarcane juice
(T) Coke (v) For making black shoe polish


P Q R S T
A (i) (v) (iii) (ii) (iv)
B (v) (iv) (ii), (iii) (i)
C (ii) (iii) (iv) (i) (v)
D (v) (iv) (ii) (i) (iii)


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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

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RAYANSH MISHRA from VIBGYOR HIGH, Pune
Subject :NSO    Class : Class 3

Ans 1:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
Yes the ans is d'

Ans 2:

ALICE from CENTRAL ACADEMY, UDAIPUR
Class : Class 1
the correct ans isD you are wrong

Ans 3:

Adrija Pandey from SSRVM, Pune
Class : Class 3
the ans is D. I agree

Ans 4:

RAYANSH MISHRA from VIBGYOR HIGH, Pune
Class : Class 4
A ans

Ans 5:

Darshil Rath from Sai International School , Bhubaneswar
Class : Class 4
Ans is d because it is written one Kilogram

Ans 6:

RAYANSH MISHRA from VIBGYOR HIGH, Pune
Class : Class 4
sorry ! the ans is A

Ans 7:

RAYANSH MISHRA from VIBGYOR HIGH, Pune
Class : Class 4
class 3 h

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

Post Your Answer

PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

Read the following statements and select the correct option.
Statement 1: Pheromones are used as biological method to control pest.
Statement 2: Pheromones lure adult male insects into special traps and prevent them from breeding.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


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Vania Aravindan from Unicent School , Miyapur Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 3
fcb yh

Ans 2:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 3

Ans 3:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 3
A

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