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Subject :NSO    Class : Class 7

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

(i) In cockroaches, air enters the body through spiracles.
(ii) During heavy exercise, we get cramps in the legs due to accumulation of carbon dioxide.
(iii) Normal range of breathing rate per minute in an average adult person at rest is 12-18.
(iv) During exhalation, the ribs move upwards.

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


Ans 1:

Class : Class 8
THE SOLUTION DOESN'T MAKE SENSE

Ans 2:

Class : Class 7
This is a NON SENSE!!!!!!!!

Ans 3:

Class : Class 8
IT SHOULD BE B!!!

Ans 4:

Class : Class 7
It should be option B , The SOF team is sleeping or what

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8
It is 15-18, not 12-18.

Ans 7:

Class : Class 7

Ans 8:

Class : Class 8
uh ya it should be B the last statement is true not false

Ans 9:

Class : Class 7
AM I A MUTANT ? BECAUSE MY RIBS MOVE UPWADS WHEN I INHALE ......RIGHT SOF?

Ans 10:

Class : Class 8
it is B!!! SOF, I know you never listen but like come on at least fix your solutions, so they are actually correct.

Ans 11:

Class : Class 8
It should be B

Ans 12:

Class : Class 7
It should be B

Ans 13:

Class : Class 8
should be b

Ans 14:

Class : Class 7

Ans 15:

Class : Class 8

Ans 16:

Class : Class 7
it is BEEEEEEEEEEE!!!!!!!

Ans 17:

Class : Class 8

Ans 18:

Class : Class 7
Its BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 19:

Class : Class 8
it should be B . The solution is also wrong

Ans 20:

Class : Class 7
Should be B as ribs move upwards and outward while inhaling and downwards and inwards while exhaling.

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