National Science Olympiad Forum By SOF Olympiad Trainer - Page 83

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

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Subject :NSO    Class : Class 7

Read the given statements and select the option that correctly identifies them as true (T) and false (F) ones.
(i) Llama and alpaca are breeds of wool yielding camels.
(ii) Cocoon of silkworm secretes fibre made of protein which hardens on exposure to air and becomes silk fibre.
(iii) Anthrax is an occupational disease of wool industry caused by Bacillus anthracis.

(i) (ii) (iii)
A T F F
B T F T
C F F T
D T T F


Sorter's disease is an occupational disease of wool industry caused by Bacillus anthracis.

Ans 1:

Class : Class 8

Ans 2:

Class : Class 3

Ans 3:

Class : Class 8

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Solution Wrong!

Ans 2:

Class : Class 8

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
please give explanation

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
Option C could also be possible

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Read the given statements.
(i) Bile is secreted by _______ and is stored in _______.
(ii) _______ is the true stomach in ruminants.
(iii) Enzyme _______ present in saliva breaks down _______ into simple sugars.
(iv) _______ uses pseudopodia to engulf food particles.

Select the option which correctly fills the blank in any two of these statements.

A(ii) Omasum; (iii) Amylase, Cellulose
B(i) Gall bladder, Liver; (iv) Starfish
C(iii) Amylase, Cellulose; (iv) Amoeba
D(ii) Abomasum; (iii) Amylase, starch


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