Worksheet Solutions: Major Landforms | Be an Explorer 5: Book Solutions, Notes & Worksheets - Class 5 PDF Download

Q1: Multiple Choice Questions (MCQs).

(i) What percentage of the Earth's surface is covered by land?
(a) 29%
(b) 50%
(c) 71%
(d) 90%
Ans: (a)
Around 29% of the Earth is covered by land.

(ii) Which of the following landforms is characterized by a triangle-shaped structure called delta?
(a) Plateaus
(b) Mountains
(c) Deserts
(d) Plains
Ans: (d)
Triangle-shaped structure called delta is formed in the lower course of a river in plains.

(iii) What is the main factor that determines the suitability of plains for agriculture?
(a) High altitude
(b) Presence of minerals
(c) River deposits
(d) Steep slopes
Ans: (c)
Plains are suitable for agriculture because rivers flowing through them carry sand and silt, depositing these materials, making the plains fertile.

(iv) In which stage of a river's journey does it cut through narrow channels in the mountains, forming waterfalls and canyons?
(a) Upper course
(b) Middle course
(c) Lower course
(d) Delta course
Ans: (a)
In the upper course of a river, it originates in the mountains and forms waterfalls and canyons by cutting through narrow channels.

(v) Which of the following is an example of a hot desert?
(a) Thar Desert
(b) Atacama Desert
(c) Antarctic Desert
(d) Sahara Desert
Ans: (d)
The Sahara Desert in Africa is mentioned as an example of a hot desert.

Q2: Fill in the Blanks.

(i) Mountains are natural features that rise more than ________ meters above sea level.
Ans: 900
Mountains rise more than 900 meters above sea level.

(ii) Plateaus are characterized by steep slopes and are covered with grasslands suitable for grazing and rearing ________ and ________.
Ans: Sheep and Cattle
Plateaus are mentioned as suitable for grazing and rearing sheep and cattle.

(iii) Plains are formed by the deposition of ________ and ________ from rivers.
Ans: Sand and Silt
Plains are formed by the deposition of sand and silt from rivers.

(iv) In the lower course of a river, a triangle-shaped structure called ________ is formed.
Ans: Delta
In the lower course of a river, a triangle-shaped structure called delta is formed.

(v) Deserts are large areas with little precipitation, and they are either covered by sand or ________.
Ans: Snow
Deserts are mentioned as areas with little precipitation and can be covered by sand or snow.

Q3: Match the Column.

Ans:

Q4: True or False.

(i) Mountains with conical peaks, like the Himalayas, are considered old mountains.
Ans: False
Young mountains have conical peaks, while old mountains have rounded peaks.

(ii) The Colorado River flows through the Thar Desert in India.
Ans: False
The Colorado River flows through the Colorado Plateau, not the Thar Desert in India.

(iii) Plains are not suitable for agriculture due to their flat and level terrain.
Ans: False
Plains are suitable for agriculture due to their flat and level terrain.

(iv) In the lower course of a river, the volume of water decreases as it joins other rivers.
Ans: False
In the lower course, the volume of water increases as tributaries or other rivers join the main river.

(v) Deserts, even though harsh for human survival, have no benefits for the environment.
Ans: False
Deserts have benefits, such as oil deposits, unique plant and animal adaptations, and some have become tourist centers.