Chapter 8 How Seasons Occur Part 2 Solutions

Maharashtra State Board Class 7 Geography Solutions Chapter 8 How Seasons Occur Part 2

Class 7 Geography Chapter 8 How Seasons Occur Part 2 Textbook Questions and Answers

1. Complete the statements using correct options:

How Seasons Occur Part 2 Class 7 Question 1.
The apparent movement of the sun means that ________.
(a) the sun revolves around the earth in a year.
(b) it appears that the sun moves to the north or south in a year.
(c) the earth keeps on changing its position.
Answer:
(b) it appears that the sun moves to the north or south in a year.

How Seasons Occur Part 2 Question 2.
If the axis of the earth were not tilted ________.
(a) the earth would not have rotated around, itself.
(b) the earth would have revolved around the sun with greater velocity.
(c) different parallels on the earth would have experienced the same climate throughout the year.
Answer:
(c) different parallels on the earth would have experienced the same climate throughout the year.

How Seasons Occur – Part 2 Class 7 Questions And Answers Question 3.
21sl June and 22nd December are solstice days, that is ________.
(a) the sun starts its southward journey from Tropic of Cancer on 21st June and Northward journey from Tropic of Capricon on 22nd December.
(b) the Dakshinayan of the sun takes place between 21st June and 22nd December.
(c) the Uttarayan of the earth takes place between 22nd December and 21st June.
Answer:
(a) the sun starts its southward journey from Tropic of Cancer on 21st June and Northward journey from Tropic of Capricon on 22nd December.

How Seasons Occur – Part 2 Class 7 Answers Question 4.
The revolution of the earth around the Sun and the tilt of the axis of the earth together are responsible for the ______.
(a) summer, rainy season, retreat of monsoon, winter.
(b) summer, winter and spring.
(c) summer and winter.
Answer:
(c) summer and winter.

2. Answer the following questions:

How Seasons Occur – Part 2 Questions And Answers Question 1.
What leads to the occurrence of seasons?
Answer:
(i) Seasons occur due to the revolution of the earth.
(ii) Seasons also occur due to the tilt of the earth’s axis of rotation.

Class 7 Geography Chapter 8 How Seasons Occur Part 2 Question 2.
What is the duration of the day on equinox?
Answer:
(i) The circle of illumination divides all the parallels from the north pole to the south pole equally.
(ii) Everywhere on the earth, the night time and day time are of equal duration. This condition is called equinox.
(iii) Thus, the duration of the day will be twelve hours on equinox.

How Seasons Occur – Part 1 Class 7 Questions And Answers Question 3.
Why is the effect of the seasons not experienced in the equatorial region?
Answer:
(i) Seasons have been decided on the basis of the duration of sunlight, equinoxes & solstices
(i) The equatorial region receives perpendicular sunray almost throughout the year.
(ii) Hence the climate of that region does not change at all in the year.
(iii) Hence the effect of the seasons is not experienced in the equatorial region.

How Seasons Occur – Part 1 Questions And Answers Question 4.
Why is the sun visible for more than 24 hours during Dakshinayan in the region between the Antarctic Circle and the South Pole?
Answer:
(i) Sunrays are never perpendicular on any of the parallels between Tropic of Cancer & the North pole or between Tropic of Capricorn & the South pole.
(ii) In the period from 23rd September to 21st March (Dakshinayan) the region between Antarctic circle and the south faces the sun. The whole of Antarctic Circle falls within the zone of illumination.
(iii) So the sun is visible in the sky for more than 24 hours.

Geography Class 7 How Seasons Occur – Part 2 Question 5.
Why are penguins not found at the North Pole?
Answer:
(i) The living world on the earth is affected by the cycle of seasons.
(ii) Penguins are native to south pole. Penguins have adapted to the natural conditions prevailing in the Antarctic regions of the south pole.
(iii) Besides predators like polar bears roam within the Arctic Circle. Hence penguins are found at the South pole & not at the North pole.

3. Rewrite the following statements after correcting them:

4. Spot the error in the diagram given below:

Answer:
Spring Equinox – 21st March
Summer Solstice – 21st June
Winter Solstice – 22nd December

5. Draw a diagram showing the cycle of seasons in the southern hemisphere.
Answer:

ICT Question :