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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 1

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Class : Class 1
I think answer is B not C, moon will not raise on EAST and set on WEST

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Subject :NSO    Class : Class 6

Refer to the given dichotomous key.


ADeficiency of P causes a disorder called anaemia which can also be caused by deficiency of a vitamin known as B12.
BOur body is capable of manufacturing Q so we need not supplement it externally through our diet.
CDeficiency of R causes beriberi in children and pellagra in adults.
DS also helps in building resistance against infection in children and is found abundantly in citrus fruits.


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Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
(i) In insects, circulating body fluids serve to distribute oxygen to tissues.
(ii) Yeasts respire aerobically, therefore, they are used to make wine and beer.
(iii) Bronchitis is the inflammation of bronchi which may be caused on exposure to air pollutants.
(iv) In a healthy person, maximum capacity of lungs for inhaled air is 1500 mL.
(v) Sneezing expels the foreign particles from the inhaled air.

A Statements (i), (ii) and (iv) are incorrect, while statements (iii) and (v) are correct.
B Statements (i), (ii) and (iii) are incorrect, while statements (iv) and (v) are correct.
C Statement (ii) is incorrect, while statements (i), (iii), (iv) and (v) are correct.
D Statements (ii) and (v) are incorrect, while statements (i), (iii) and (iv) are correct.


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Subject :NSO    Class : Class 7

Read the following statements and select the correct option.
Statement 1 : Yeast is single-celled organisms which is used in baking and brewing industry.
Statement 2 : Yeast carry out anaerobic respiration, i.e., fermentation and release, ethyl alcohol and carbon dioxide.

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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Subject :NSO    Class : Class 7

Read the given passage and select the correct option for (i) - (iii).

(i) are present in the chest cavity. This cavity is surrounded by (ii) on the sides which form a cage like structure. A large muscular sheet called (iii) forms the floor of the chest cavity.

A (i)-Lungs; (ii)-Ribs; (iii)-Diaphragm
B (i)-Diaphragm; (ii)-Ribs; (iii)-Lungs
C (i)-Bronchi; (ii)-Ribs; (iii)-Lungs
D (i)-Trachea; (ii)-Bronchi; (iii)-Lungs


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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


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Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 - We should use jute bags instead of plastic bags for carrying goods.
Statement 2 - Jute bags are cheaper than plastic bags.

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 and statement 2 is false.
DBoth statements 1 and 2 are false.


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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

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Class : Class 6

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