NCERT Based General Studies (GS): Questions 3086 - 3091 of 3665

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Question number: 3086

» Science » Class-7 NCERT » Nutrition in Animals (Mouth and Buccal Cavity)

MCQ▾

Question

Prevention taken to prevent tooth decay and for maintaining dental hygiene are:

Choices

Choice (4) Response

a.

Rinse your mouth with saline water after every meal and never put dirty fingers and unwashed object in the mouth

AND

Avoid eating sticky and sugary items such as chocolates, sweets and cold drinks

b.

Clean your teeth with a brush and dental floss

c.

Eat food items rich in calcium and phosphorus

d.

All a. , b. and c. are correct

Question number: 3087

» Science » Class-7 NCERT » Heat (Transfer of Heat)

MCQ▾

Question

Convection is:

Choices

Choice (4) Response

a.

Mode of transfer of heat in a fluid

b.

In convection the molecules themselves carry heat from hotter region to a colder region

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 3088

» Science » Class-7 NCERT » Physical and Chemical Changes (Physical Changes)

MCQ▾

Question

A change whereby only the physical properties of a substance undergo a change is called as:

Choices

Choice (4) Response

a.

Endothermic reaction

b.

Physical change

c.

Chemical change

d.

Exothermic reaction

Question number: 3089

» Science » Class-7 NCERT » Nutrition in Animals (Different Ways of Taking Food )

MCQ▾

Question

Holozoic nutrition is completed in:

Choices

Choice (4) Response

a.

Six steps

b.

Five steps

c.

Three steps

d.

None of the above

Question number: 3090

» Science » Class-7 NCERT » Nutrition in Animals (The Food Pipe & Stomach)

MCQ▾

Question

Structures responsible for increasing the surface area of absorption:

Choices

Choice (4) Response

a.

Villi

b.

Ileum

c.

Duodenum

d.

None of the above

Question number: 3091

» Science » Class-7 NCERT » Nutrition in Animals (Different Ways of Taking Food )

MCQ▾

Question

Animals are divided into three categories according to their mode of nutrition:

Choices

Choice (4) Response

a.

Ingestion, digestion and egestion

b.

Herbivore, Carnivore and omnivore

c.

Holozoic nutrition, Saprozoic nutrition, parasitic nutrition

d.

None of the above

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