NSO Level 1- Science Olympiad (SOF) Class 7: Questions 423 - 428 of 699

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Question 423

Question MCQ▾

Following are the list of organs arranged in random order. Arrange the given organs in the order they are used in respiratory system by selecting the correct option.

  1. Trachea
  2. Pharynx
  3. Lungs
  4. Nose

Choices

Choice (4)Response

a.

3,4, 2,1

b.

4,2, 1,3

c.

2,1, 4,3

d.

1,2, 3,4

Edit

Question 424

Question MCQ▾

Which of the following is called the gaseous mixture in atmosphere?

Choices

Choice (4)Response

a.

Gas

b.

Air

c.

Wind

d.

Question does not provide sufficient data or is vague

Edit

Question 425

Question MCQ▾

Which of the following term is used for the excessive planting of trees done to increase the forest cover?

Choices

Choice (4)Response

a.

Deforestation

b.

Agroforestry

c.

Afforestation

d.

Social forestry

Edit

Question 426

Question MCQ▾

Which of the following is a method of vegetative propagation?

Choices

Choice (4)Response

a.

Grafting

b.

Budding

c.

Fragmentation

d.

None of the above

Edit

Question 427

Question MCQ▾

Which of the following organism has branchial respiration?

Choices

Choice (4)Response

a.

Honey Bee

b.

Birds

c.

Horse

d.

Prawn

Edit

Question 428

Question MCQ▾

Ammonotelic organisms secrete waste in which of the following form of nitrogenous waste?

Choices

Choice (4)Response

a.

Urine

b.

Uric acid

c.

Ammonia

d.

All of the above

Edit