Every question from this NCERT chapter, with a detailed explanation.
Agra and Darjeeling are located on the same latitude, yet the temperature of January in Agra is 16°C whereas it is only 4°C in Darjeeling. This variation is primarily due to:
Match List I with List II and select the correct answer using the code given below: List I (Traditional Indian Season) | List II (Gregorian Months) A. Vasanta | 1. March-April B. Grishma | 2. May-June C. Varsha | 3. September-October D. Sharada | 4. July-August
Consider the following statements regarding the factors determining the climate of India: 1. Places south of the Tropic of Cancer experience a tropical climate with small daily and annual ranges of temperature. 2. The Himalayas facilitate the entry of cold northern winds originating near the Arctic Circle into the subcontinent. 3. The differential heating of land and sea creates different air pressure zones causing the reversal of monsoon winds. Which of the statements given above is/are correct?
Consider the following statements regarding the difference between weather and climate: 1. Weather changes quickly within a day, whereas climate refers to conditions over a period of five to ten years. 2. Weather refers to the momentary state of the atmosphere, while climate refers to average weather conditions over a long period. 3. The elements of weather and climate are different and unrelated to each other. Which of the statements given above is/are correct?
Which of the following factors is responsible for the decrease in temperature with an increase in altitude?
With reference to the Inter Tropical Convergence Zone (ITCZ), consider the following statements: 1. It is a high-pressure zone located at the equator where trade winds diverge. 2. In July, the ITCZ shifts northwards to latitudes 20°N-25°N over the Gangetic plain. 3. The shift of the ITCZ encourages the development of a thermal low over north and northwest India. Which of the statements given above is/are correct?
What is the primary cause for the southeast trade winds to cross the equator and blow as the southwest monsoon?
Consider the following statements regarding the Jet Streams and Indian Monsoon: 1. The withdrawal of the Westerly Jet Stream from the north Indian plain is related to the shift in the position of the ITCZ. 2. The Easterly Jet Stream sets in along 15°N latitude long before the Western Jet Stream has withdrawn from the north Indian plain. 3. The Westerly Jet Stream is solely responsible for the 'burst' of the monsoon in India. Which of the statements given above is/are correct?
What is the immediate effect of the El-Nino current on the Peruvian coast?
In the context of the Indian Monsoon, between which longitudes do the trade winds of the southern hemisphere cross the equator?
Which of the following are reasons for the excessive cold in North India during the cold weather season? 1. Continentality due to distance from the sea. 2. The absence of snowfall in the nearby Himalayan ranges allows warm winds to enter the plains. 3. Cold winds coming from the Caspian Sea and Turkmenistan. Select the correct answer using the code given below:
Consider the following statements regarding the pressure and wind conditions during the cold weather season: 1. Intense low-pressure conditions prevail over the northern plain during the cold weather season. 2. Winds blow from the northwestern high-pressure zone to the low-pressure zone over the Indian Ocean. 3. The winds are generally westerly or northwesterly down the Ganga Valley. Which of the statements given above are correct?
Winter rainfall in north-western India is primarily caused by which of the following climatic phenomena?
During the winter months (October-November), which region receives torrential rainfall from the Northeast Monsoon?
Match List I with List II and select the correct answer using the code given below: List I (Region) | List II (Winter Rainfall Characteristic) A. Punjab | 1. Around 25 mm (Western Disturbances) B. Arunachal Pradesh | 2. Torrential rainfall C. Central India | 3. Occasional winter rainfall D. Tamil Nadu | 4. Between 25 mm and 50 mm
During the cold weather season in India, the atmospheric pressure gradient generally runs from North to South. The highest and lowest pressure isobars typically traverse which regions respectively?
With reference to the Hot Weather Season, consider the following statements regarding temperature distribution: 1. In May, the heat belt shifts southwards, with temperatures dropping below 30°C in Northwest India. 2. In March, the highest day temperature occurs in the Deccan Plateau. 3. The hot weather season in South India is as intense as in North India due to the tropical location. Which of the statements given above is/are correct?
Match List I with List II and select the correct answer using the code given below: List I (Local Storm) | List II (Region/Characteristic) A. Mango Shower | 1. Assam (Local name for storms) B. Blossom Shower | 2. Bengal and Assam (Dreaded evening thunderstorms) C. Nor Westers | 3. Kerala (Coffee flowers blossom) D. Bardoisila | 4. Kerala (Helps in early ripening of mangoes)
In the summer season, the Inter Tropical Convergence Zone (ITCZ) occupies a position centred at:
Consider the following statements regarding the wind circulation during the hot weather season: 1. Winds are southwesterly on the west coast. 2. Winds blow from the north-west direction over North Bengal and Bihar during this season. 3. These winds are actually displaced equatorial westerlies. Which of the statements given above is/are correct?
Which of the following crops benefits most from the 'Kalbaisakhi' showers?
The 'Mango Showers' are a common phenomenon in which of the following states?
Consider the following statements regarding the onset of the Southwest Monsoon: 1. It sets in over the Kerala coast typically by the end of July. 2. It reaches Mumbai and Kolkata between 10th and 13th June. 3. By mid-July, it engulfs the entire subcontinent. Which of the statements given above are correct?
The Arabian Sea branch of the monsoon splits into three branches. Which of the following is NOT one of the paths taken by these branches?
Why does the Chotanagpur plateau receive rainfall from the Arabian Sea branch of the monsoon?
Why is the rainfall scanty in Rajasthan despite the Arabian Sea branch passing over it?
The Bay of Bengal branch of the monsoon is deflected towards the Indian subcontinent by:
Mawsynram receives the highest average annual rainfall in the world. It is located on the crest of which hills?
Consider the following statements explaining why the Tamil Nadu coast remains dry during the Southwest Monsoon season: 1. It is situated parallel to the Bay of Bengal branch of the monsoon. 2. It lies on the windward side of the Arabian Sea branch of the monsoon. Which of the statements given above is/are correct?
What happens to the humidity of the winds after they cross the Western Ghats and descend on the leeward side?
Which of the following pairs of cities illustrates the 'Rain Shadow' effect?
In the Indian monsoon system, the Arabian Sea and Bay of Bengal branches converge and reinforce each other to produce rainfall primarily over which region?
With reference to the Bay of Bengal branch, consider the following statements: 1. It enters West Bengal from the south and southeast direction. 2. The branch completely avoids the Brahmaputra valley due to the presence of the Garo hills. 3. Another sub-branch moves eastward along the Ganga plains and terminates in Bihar. Which of the statements given above are correct?
In the Indian climatic cycle, the season of the Retreating Monsoon is mainly associated with which months?
During the retreating monsoon, the low-pressure trough of the Ganga plain moves:
Which of the following regions receives the bulk of its rainfall from cyclonic depressions during the retreating monsoon season?
Which of the following statements accurately reflects the patterns of tropical cyclones in the Indian seas?
The withdrawal of the Southwest Monsoon takes place from which region first?
Which river deltas are the preferred targets of tropical cyclones during the retreating monsoon?
Consider the following statements regarding the weather in North India during the retreating monsoon: 1. It is dry. 2. It is associated with heavy rainfall in the western part of the Peninsula only. 3. The mercury begins to fall rapidly in the second half of October. Which of the statements given above are correct?
Which of the following areas receives annual rainfall exceeding 200 cm? 1. West Coast and Western Ghats 2. Sub-Himalayan areas in the Northeast 3. Hills of Meghalaya 4. Brahmaputra Valley Select the correct answer using the code given below:
In the context of India’s rainfall classification, which of the following regions is characterised by inadequate rainfall ?
Consider the following statements regarding the economic life in India and Monsoons: 1. Less than 10 % of the Indian population depends on agriculture for their livelihood. 2. Winter rainfall is generally beneficial to Rabi crops in North India. 3. Regional climatic variations are reflected in the variety of food, clothes, and house types. Which of the statements given above is/are correct?
Why are gases like methane and nitrous oxide more effective at enhancing the greenhouse effect than carbon dioxide?
Which of the following is a likely consequence of climatic change and global warming? 1. It leads to the complete eradication of insect-borne diseases like malaria. 2. Increase in incidence of annual flooding. 3. Climatic boundaries remain static and are unaffected by global warming. Select the correct answer using the code given below: