NSO Level 1- Science Olympiad (SOF) Class 9: Questions 444 - 449 of 1128

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Question 444

Question

MCQ▾

If means ‘plus’ , means ‘minus’ , means ‘multiplied by’ and means ‘divided by’ , then ?

Choices

Choice (4)Response

a.

136

b.

133

c.

144

d.

140

Question 445

Question

MCQ▾

High blood pressure can be caused due to

(i) Lack of immunity

(ii) Lack of exercise

(iii) Contaminated food intake

(iv) Excessive weight

Choices

Choice (4)Response

a.

(ii) and (iv)

b.

(i) and (iii)

c.

(i) and (ii)

d.

(iii) and (iv)

Question 446

Question

MCQ▾

Member of Echinodermata has a specific system which is not found in other phylum, it is

Choices

Choice (4)Response

a.

Reproductive system

b.

Canal system

c.

Respiratory system

d.

Water vascular system

Question 447

Question

MCQ▾

Sandhya is suffering from constant cough, sneezing and breathlessness. The microbes in this case might have targeted her

Choices

Choice (4)Response

a.

Lungs

b.

Liver

c.

Stomach

d.

Brain

Question 448

Question

MCQ▾

Ciliated epithelium is present in

Choices

Choice (4)Response

a.

Trachea

b.

Uterus

c.

Tongue

d.

Question does not provide sufficient data or is vague

Question 449

Question

MCQ▾

During lightning, the high temperatures and pressures created in the air convert nitrogen into the oxides of

Choices

Choice (4)Response

a.

Nitrogen

b.

Oxygen

c.

Ammonia

d.

Carbon

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