NCERT Class VI Science Solutions: Chapter 15 – Air Around us Part 2

Download PDF of This Page (Size: 299K)

VERY SHORT ANSWER QUESTIONS

Question 9:

State whether the following statements are true or false. If false, correct them.

  1. Plants consume oxygen for respiration.

  2. Plants produce oxygen during the process of making their own food.

  3. Air helps in the movements of sailing yachts and glider but plays no role in the flight of birds and aero planes.

  4. Air does not occupy any space.

Answer:

Image of Photosynthesis

Image of Photosynthesis

Image of Photosynthesis

  1. Plants consume oxygen for respiration. (True)

  2. Plants produce oxygen during the process of making their own food. (True)

  3. Air helps in the movements of sailing yachts and glider but plays no role in the flight of birds and aero planes. (False)

    Hint: Air also helps in the flight of birds and aero planes.

  4. Air does not occupy any space. (False)

    Hint: It does occupy space.

Question 10:

In a number of musical instruments, air plays an important role. Can you name some such instruments?

Answer:

Flute, shahnai, harmonium.

Question 11:

In the boxes of Column I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II

Result for Match the items of Column I and Column II (Q)

Match the Items of Column I and Column II (Q)

Result for Match the items of Column I and Column II (Q)

Answer:

Result for Match the items of Column I and Column II (A)

Match the Items of Column I and Column II (A)

Result for Match the items of Column I and Column II (A)

Question 12:

Make sentences using the given set of words.

  1. 99%, oxygen, nitrogen, air, together.

  2. Respiration, dissolved, animals, air, aquatic.

  3. Air, wind, motion, called.

Answer:

  1. Oxygen and nitrogen together make up 99 per cent of the air.

  2. Aquatic animals use dissolved air for respiration.

  3. Air in motion is called wind.