Class 11 Geography MCQ Chapter 17 Air Circulation and Weather

Class 11 Geography MCQ Chapter 17 Air Circulation and Weather Solutions English Medium to each chapter is provided in the list so that you can easily browse through different chapters Class 11 Geography MCQ Chapter 17 Air Circulation and Weather Question Answer and select need one. AHSEC Class 11 Geography MCQ Chapter 17 Air Circulation and Weather Question Answer in English Download PDF. AHSEC Class 11 Elective Geography MCQs English Medium.

Class 11 Geography MCQ Chapter 17 Air Circulation and Weather

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 11 Elective Geography Multiple Choice Solutions are part of All Subject Solutions. Here we have given AHSEC Class 11 Elective Geography Objective Type Question Answer in English for All Chapters, You can practice these here.

Air Circulation and Weather

Chapter: 17

MCQs

1. Atmospheric pressure is created due to—

(a) The Moon’s gravitational force.

(b) Earth’s rotation.

(c) Earth’s gravitational pull.

(d) Ocean currents.

Ans: (c) Earth’s gravitational pull.

2. What is the average air pressure at sea level?

(a) 980 millibars.

(b) 1013.2 millibars.

(c) 820 millibars.

(d) 1250 millibars.

Ans: (b) 1013.2 millibars.

3. The Coriolis force is produced due to—

(a) The influence of the Moon.

(b) Earth’s rotation.

(c) The Sun’s gravitational force.

(d) Ocean currents.

Ans: (b) Earth’s rotation.

4. How long does a local wind last?

(a) 1 week.

(b) 1 day.

(c) 1 month.

(d) 1 year.

Ans: (b) 1 day.

5. During the monsoon season, the southwest wind brings how much rainfall?

(a) 20%.

(b) 50%.

(c) 80%.

(d) 100%.

Ans: (c) 80%.

6. The unit of air pressure is—

(a) Pascal.

(b) Kelvin.

(c) Newton.

(d) None of these.

Ans: (a) Pascal.

7. What is the central part of a cyclone called?

(a) Circle.

(b) Eye.

(c) Wall.

(d) Core.

Ans: (b) Eye.

8. What maintains the balance of air pressure?

(a) Rainfall.

(b) The Sun.

(c) Thunder.

(d) Wind.

Ans: (d) Wind.

9. Up to what height (in km) from the Earth’s surface is the effect of topography on wind speed clearly visible?

(a) 2–3 km.

(b) 3–3 km.

(c) 4–3 km.

(d) 1–3 km.

Ans: (d) 1–3 km.

10. The diameter of tropical cyclones in the Arabian Sea, Bay of Bengal, and Indian Ocean ranges between—

(a) 500–1000 km.

(b) 600–1200 km.

(c) 700–1400 km.

(d) 800–1600 km.

Ans: (b) 600–1200 km.

11. Atmospheric pressure generally—

(a) Decreases from equator to poles.

(b) Increases from equator to poles.

(c) Remains the same.

(d) Suddenly decreases.

Ans: (b) Increases from equator to poles.

12. Water vapour compared to dry air is—

(a) Denser.

(b) Heavier.

(c) Lighter.

(d) Warmer.

Ans: (c) Lighter.

13. At sea level, air pressure—

(a) Air remains still.

(b) Elevation is higher.

(c) Heat is less.

(d) Water vapour content is higher.

Ans: (d) Water vapour content is higher.

14. Between which latitudes is the equatorial low-pressure belt formed?

(a) 10°–20°.

(b) 20°–30°.

(c) 50°–100°.

(d) 30°–50°.

Ans: (c) 50°–100°.

15. The centrifugal force near the poles—

(a) Is higher.

(b) Is lower.

(c) Remains the same.

(d) Suddenly increases.

Ans: (b) Is lower.