Worksheet Solutions: Life in the Desert | Window on the Word Class 7: Solutions, Notes & Worksheets PDF Download

Q1: Multiple-Choice Questions (MCQs)

(i) What characterizes a desert climate?
(a) High rainfall
(b) Extreme cold
(c) Very low precipitation
(d) Dense vegetation
Ans: (c)
Deserts are defined by very low precipitation, typically less than 25 cm annually.

(ii) Which of the following is NOT a hot desert?
(a) Sahara
(b) Kalahari
(c) Gobi
(d) Arabian Desert
Ans: (c)
The Gobi desert is a cold desert, not a hot desert.

(iii) What percentage of the Sahara consists of ergs?
(a) 10%
(b) 20%
(c) 50%
(d) 70%
Ans: (b)
Ergs make up only 20% of the Sahara, while regs and hamadas make up the rest.

(iv) Which group of people in the Sahara region rear animals like goats, camels, and sheep?
(a) Farmers
(b) Nomadic communities
(c) Industrial workers
(d) Tourists
Ans: (b)
Nomadic communities, like the Bedouin and Tuareg, rear animals in the Sahara.

(v) What is the primary economic activity that attracts tourists to Ladakh?
(a) Mining
(b) Agriculture
(c) Handicrafts
(d) Tourism
Ans: (d)
The scenic landscape, monasteries, and trekking routes attract tourists to Ladakh.

Q2: Fill in the Blanks

(i) Hamadas are elevated __________ covered plateaus found in the Sahara.
Ans: rock

(ii) Ladakh lies on the __________ side of the Himalayas.
Ans: leeward

(iii) People in Ladakh use dry toilets to deal with the __________ scarcity.
Ans: water

(iv) Ladakhis grow crops like barley that use __________ water.
Ans: little

(v) The Kargil War was fought in extreme terrain with temperatures often less than __________.
Ans: -50°C

Q3: Match the Column (In a Table)

Match the terms in Column A with their corresponding definitions in Column B.
Ans:

Q4: True or False

(i) The Sahara consists mostly of sand dunes.
Ans: False
The Sahara consists of various landforms, with ergs (sand dunes) making up only 20% of it.

(ii) Cold deserts are primarily found near the poles.
Ans: False
Cold deserts can be found in temperate regions and even at high altitudes, not just near the poles.

(iii) The Sahara's area is similar to that of India.
Ans: True
The Sahara is more than two and a half times the size of India.

(iv) A caravan is a group of people and animals traveling together in the desert.
Ans: True
Caravans are commonly used for desert travel.

(v) The Changthangi goat is primarily raised for its meat.
Ans: False
The Changthangi goat is mainly raised for its fine pashmina wool, not its meat.