(4) Into how many branches are the North-West monsoon winds divided? Which are they?
The North-West monsoon winds are divided into two branches: Arabian Sea Current and Bay of Bengal Current.
2. Answer the following questions as directed :
(1) What changes occur with the increase in altitude from sea level?
With an increase in altitude from sea level, temperature generally decreases.
(2) What is meant by ‘October Heat’ ?
‘October Heat’ refers to a period during the retreating monsoon season characterized by high temperatures and humidity in October.
(3) Over which regions do the monsoon winds coming from over the Bay of Bengal give rain?
Monsoon winds from the Bay of Bengal give rain over regions like West Bengal, Bihar, Uttar Pradesh, Punjab, and Haryana.
(4) Which phenomena of far distant places affect the climate of India ?
Phenomena like Jet Stream, Western Disturbances, El-Nino, and I.T.C.Z. from far distant places affect India’s climate.
3. Give a to-the-point answer of the following questions :
(1) Due to which reasons does the phenomena of change in season occur?
The change in seasons occurs due to the Earth’s revolution around the sun and its axial tilt, leading to variations in sunlight received by different regions.
(2) State briefly the factors affecting the climate.
Factors affecting climate include latitude, distance from the sea, atmospheric pressure, and winds.
(3) Write notes on the cold weather season – winter of India.
The cold weather season (winter) in India is characterized by low temperatures, clear skies, dry and cold winds, and occasional rainfall in some regions.
(4) Describe the effects of climate on human life.
Climate affects human life by influencing agriculture, water availability, livelihoods, migration patterns, and industrial activities, among other aspects.
