C. Unseen passage
What causes the monsoon? The monsoon, which is essentially the seasonal reversal in wind direction, causes most of the rainfall received in India and some other parts of the world. The primary cause of monsoons is the difference between annual temperature trends over land and sea. The apparent position of the Sun with reference to the Earth oscillates from the Tropic of Cancer to the Tropic of Capricorn. Thus the low pressure region created by solar heating also changes latitude. The northeast and southeast trade winds converge in this low pressure zone, which is also known as the Inter tropical Convergence Zone or ITCZ. This low pressure region sees continuous rise of moist wind from the sea surface to the upper layers of the atmosphere, where the cooling means the air can no longer hold so much moisture resulting in precipitation. The rainy seasons of East Asia, sub-Saharan Africa, Australia and the southern part of North America coincide with the shift of ITCZ towards these regions.
Unseen Passage with questions and answers class 7 passage 4:
Q1: Monsoon is
(a) A type of sea wave
(b) a seasonal reversal in wind direction
(c) very hot wind
(d) very cold wind
Q2: What is the full form of ITCZ?
(a) Intertrance Convergence Zone
(b) Intertropical Convergence Zone
(c) Intertropical Capricorn Zone
(d) Intertropical Conveyance Zone
Q3: The major cause of monsoon is the
(a) difference between annual temperature trends over land and sea
(b) difference between day and night temperature
(c) moisture in the atmosphere
(d) None of these.
Q4: Low Pressure region is created by
(a) solar heating (b) lunar cooling (c) moist wind (d) dry wind.
Q5: It rains when
(a) moist wind goes down
(b) dry wind meets moist wind
(c) the air can no longer hold moisture resulting in precipitation
(d) annual temperature goes down
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Answers
Answered by
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Answer:
This is your answer
Explanation:
B, B, A, A, C
Answered by
3
The answers are as follows:
1. b. a seasonal reversal in wind direction
2. b. Intertropical Convergence Zone
3. a. difference between annual temperature trends over land and sea
4. a. solar heating
5. c. the air can no longer hold moisture resulting in precipitation
Unseen Comprehension
- The given comprehension talks about the causes and geographical references of the monsoon season. It improves the comprehension power and the knowledge of the student.
- In unseen comprehensions, we need to read and understand the passage and answer questions from the passage.
- Comprehension also helps in building the vocabulary and writing skills of a student.
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