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aikya from psbn, bangalore
Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 : Clothes made from natural fibres are stronger than the clothes made from synthetic fibres.
Statement 2 : Nylon, rayon and silk are common synthetic fibres.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.


But natural fires and clothes made from them are stronger

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Abhay Agarwal from St Francis School, Ghaziabad
Subject :NSO    Class : Class 8

Ans 1:

Nishanth K Nizar from Layola, Thiruvananthapuram
Class : Class 9
It cannot "measure" the current of a charged object. It can only detect whether a object is charged

Ans 2:

Rhyin Mandal from Hem Sheela Model School, DURGAPUR
Class : Class 8
same thing,as by Nishanth K Nizar,it can only detect charges and not measure them

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Rajas Khare from P G Garodia school, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3

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VANSHIT GULATI from presidency school, kishangarh
Subject :NSO    Class : Class 8

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Abhay Agarwal from St Francis School, Ghaziabad
Subject :NSO    Class : Class 8

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Atharva Narkhede from New Era Sr secondary school Nizampura, Vadodara
Subject :NSO    Class : Class 9

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Pranav Nayal from Birla Vidya Niketan, New Delhi
Subject :NSO    Class : Class 8

Ans 1:

PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Class : Class 8

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Nishanth K Nizar from Layola, Thiruvananthapuram
Subject :NSO    Class : Class 8

Study the given flow chart.

Identify P-S and select the incorrect statement.

A P could be unicellular organism in which locomotion takes place by means of pseudopodia.
B Q could be organism which possesses fins whereas S could be organism which possess feathers.
C R has three stage life cycle whereas S may have four stage life cycle.
D In organism S sex chromosome of male parent might determine the sex of the offspring.


Ans 1:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 8
It's D.S lays eggs so it is not human.In humans,male determines gender so S is not human,D is incorrect.

Ans 2:

Nishanth K Nizar from Layola, Thiruvananthapuram
Class : Class 9
Which animal have four life stages

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Ishaan Das Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

Refer to the given dichotomous key and select the correct statement.
(i) (A) Single parent is involved - Go to (ii)
(B) Two parents are involved - Go to (v)
(ii) (A) New plants are produced by natural method - Go to (iii)
(B) New plants are produced by artificial method - Go to (iv)
(iii) (A) Plant produced through stem - P
(B) Plant produced through root - Q
(iv) (A) Plant produced from unorganised cell mass - R
(B) Plant produced by bending young branch towards the ground and covered with moist soil - S
(v) (A) Plant produced when pollen grains are transferred to the stigma of same flower of the same plant - T
(B) Plant produced on transferring pollen grains to the stigma of different flower - U

A P could be sweet potato while S could be Asparagus.
B R could be Asparagus which grows in suitable nutrient medium.
C T could be papaya while U could be Hibiscus.
D Q could be potato which possesses scars or depressions called eyes.


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Sriharikrishna Seshadri from NPS HSR, Bangalore
Subject :NSO    Class : Class 7

Ans 1:

VAMSIKRISHNA KADALI from BVM GLOBAL , CHENNAI
Class : Class 7
As starch is formed after storage of glucose. Glucose is the simplest form of starch

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