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Q1. Which of the following regions will have a cold climate?

• Deserts
• Plateaus
• Coasts
• Mountains

Solution

Mountainous regions are located at higher altitudes. As a result, they will have a colder climate as compared to coasts, plateaus and deserts.

Q2. Which of the following describes the climate in the temperate region?

• Hot and wet
• Moderately hot and wet
• Hot and dry
• Extremely hot and dry

Solution

The climate of the temperate region is moderately hot and wet. It is neither too hot in summers nor too cold in winters.

Q3. Which of the following adaptations are shown by polar animals? (A) Presence of thick layer of fat under the skin (B) Rounded body and small ears (C) Flipper-like wings (D) Very good eye-sight

• A and B
• B and C
• C and D
• A and D

Solution

Polar animals have a thick layer of fat under their skin to insulate their body against heat loss and keep them warm in cold climate. They have rounded body and small ears to keep their body surface area to a minimum. This reduces the heat loss from their body.

Q4. During the day minimum temperature is reached at

• Early morning
• Dusk
• Night
• Afternoon

Solution

During the day, temperature is minimum early in the morning because there are minimal solar radiations hitting the Earth's surface at this time.

Q5. Which of the following is the climate of Meghalaya?

• Hot and dry
• Hot and humid
• Wet
• Hot and wet

Solution

Meghalaya is a state in northeast India. The climate of the northeast is wet. Hence, the climate of Meghalaya is wet.

Q6. Which regions of the Earth have extreme climatic conditions?

• Tropical and temperate regions
• Polar and temperate regions
• Desert and temperate regions
• Tropical and polar regions

Solution

Climate in polar regions is very cold whereas in tropical regions it is extremely hot. Therefore, tropical and polar regions are the two regions of the Earth which have extreme climatic conditions.

Q7. Which of the following migrates to India every year?

• Flying squirrel
• Lion-tailed macaque
• Hoope
• Siberian crane

Solution

In winter, Siberian cranes migrate to warmer places in India such as Bharatpur in Rajasthan to escape the cold climatic conditions.

Q8. The major factor which determines the climate of a place is

• Longitude
• Latitude
• Rainfall
• Humidity

Solution

Latitude or the position of a place on the Earth and its distance from the Sun determines the climate of that place.

Q9. Which of the following is the climate of Rajasthan?

• Hot and dry
• Hot and humid
• Wet
• Hot and wet

Solution

The climate of Rajasthan is hot and dry.

Q10. Temperature increases as the day advances because of the 

• Slanting rays of the Sun
• Perpendicular rays of the Sun
• Inclined rays of the Sun
• Oblique rays of the Sun

Solution

Temperature increases as the day advances because the rays of the Sun hit the Earth's surface perpendicularly. As a result, high amount of energy is transferred which results in a rise in temperature.

Q11. The amount of rain received is measured in

• Metres
• Millimetres
• Litres
• Millilitres

Solution

Rainfall at a place is measured in millimetres.

Q12. Animals in polar regions are white in colour which helps them to

• Blend with the surroundings
• Reflect light
• Absorb heat
• Reduce heat loss

Solution

Animals in polar regions are white in colour which helps them to blend with their surroundings well. The white colour is not visible easily in the snowy white background. This enables these animals to escape from their predator and also catch their prey without being noticed.

Q13. Which of the following is not true about penguins?

• They have thick skin and a layer of fat below their skin.
• They move in groups.
• They have webbed feet.
• They are colourful.

Solution

Penguins are black and white in colour which merges well with the white background of ice and snow and offers them protection.

Q14. The amount of rain received is measured in

• Metres
• Millimetres
• Litres
• Millilitres

Solution

Rainfall at a place is measured in millimetres.

Q15. Which of the following factors affect the weather of a place? (A) Temperature (B) Rainfall (C) Water currents (D) Humidity

• A and C
• B and C
• C and D
• A, B and D

Solution

Rainfall, temperature and humidity affect the weather of a place. Weather is not affected by factors such as wind and water currents, latitude and elevation of a place.

Q16. Which of the following clearly explains the relation between temperature and humidity?

• As the temperature decreases, humidity increases.
• As the temperature increases, humidity decreases.
• As the temperature increases, humidity increases.
• If the temperature stays constant, humidity gradually increases.

Solution

Increase in temperature results in more evaporation of water. As a result, humidity increases.

Q17. Camouflage is shown by

• Lions and tigers
• Lions and elephants
• Elephants and zebras
• Tigers and elephants

Solution

Lions and tigers show camouflage or blending with their surroundings. The yellow-brown colour of the lion and the yellow-brown colour with black stripes of the tiger helps these big cats to hide in the forest and catch their prey.

Q18. Which instrument is used to measure the humidity of a place?

• Anemometer
• Rain gauge
• Barometer
• Hygrometer

Solution

Meteorologists measure the humidity of a place using hygrometer.

Q19. What is the role of large ears of elephants? (A) Keeps them cool  (B) Enables them to hear even very soft sounds (C) Capture food (D) Walk efficiently on the ground

• A and B
• B and C
• C and D
• A and D

Solution

Large ears of elephants help them to hear even very soft sounds so that can sense the danger and run away to safety. They also help the elephants to keep themselves cool in the hot ad humid climate of the tropical rainforest.

Q20. During the day, temperature is maximum at

• Noon
• Evening
• Dawn
• Dusk

Solution

During the day, maximum temperature is reached at noon because maximum incoming solar radiation occurs when the sun is at its peak, which is usually around noon.

Q21. Snowfall takes place when the

• Temperature is very low, humidity is very high
• Temperature is very high, humidity is very low
• Temperature is very low, humidity is very low
• Temperature is constant, humidity is very high

Solution

Snowfall takes place when the temperature is very low and the humidity is very high.

Q22. Tigers are found in

• Tropical forests
• Rainforests
• Evergreen forests
• Deserts

Solution

Tigers are found in tropical forests.

Q23. A wide variety of organisms are not found in the polar regions because (A) Very low temperature (B) Shortage of water (C) Presence of less vegetation (D) Very high humidity

• A and C
• A and B
• B and C
• C and D

Solution

Very low temperatures and shortage of water make it very difficult for the life forms to survive in the polar regions. So, a wide variety of life forms are not seen in the polar regions. 

Q24. Which of the following body features enables a polar bear to swim in water as well as walk on snow?

• Flat feet
• Big paws
• Thick feet skin
• Webbed feet

Solution

Wide and large paws of the polar bear not only help it to swim in water but also walk on the snow with ease.

Q25. During the day minimum temperature is reached at

• Early morning
• Dusk
• Night
• Afternoon

Solution

During the day, temperature is minimum early in the morning because there are minimal solar radiations hitting the Earth's surface at this time.

Q26. Which of the following does not affect the climate of a place?

• Latitude
• Rainfall
• Location with respect to the sea
• Wind speed

Solution

Latitude, altitude, temperature, rainfall and location with respect to the sea are some of the important factors which affect the climate of a place. Wind speed does not have any effect on the climate.

Q27. Europe lies in the temperate climate zone. So, it has a climate which is

• Very cold and dry
• Very hot and humid
• Very hot and dry
• Neither very hot nor very cold

Solution

Temperate regions have a climate which is neither very hot nor very cold.

Q28. The trunk of an elephant is the modification of its

• Nose
• Tongue
• Hands
• Teeth

Solution

The trunk of an elephant is an elongated nose. It helps the elephant to smell, breathe, pick up food, drink water and bathe. 

Q29. Relative humidity is expressed as

• Percentage of maximum humidity at that temperature
• Average of maximum humidity at that temperature
• Percentage of minimum humidity at that temperature
• Average of minimum humidity at that temperature

Solution

Relative humidity is expressed as percentage of maximum humidity at that temperature.

Q30. Which of the following refers to the measure of moisture in the air?

• Humidity
• Water vapour
• Water pressure
• Water temperature

Solution

The measure of moisture in the air is known as humidity.

Q31. Which of the following regions will have a cold climate?

• Deserts
• Plateaus
• Coasts
• Mountains

Solution

Mountainous regions are located at higher altitudes. As a result, they will have a colder climate as compared to coasts, plateaus and deserts.

Q32. If the humidity of a place is less then

• More evaporation will take place
• Less evaporation will take place
• Temperature will increase
• Rate of evaporation remains constant

Solution

The rate of evaporation at a given place is always dependent on the humidity of that place. If the air has less water vapour, then it can still hold excess vapour and therefore, evaporation will occur at a faster rate.

Q33. Which of the following describes the climate of Kerala?

• Hot and dry
• Wet
• Hot and wet
• Cold and dry

Solution

The climate of Kerala is hot and wet.

Q34. Why do urban areas have a higher temperature as compared to rural areas?

• Concrete roads absorb more heat than soil
• Lack of shade provided by trees
• Less cooling effect due to transpiration
• All of the above

Solution

Urban areas have concrete roads absorb heat than soil. Lesser number of trees results in lesser cooling effect of transpiration. As a result, urban areas have a higher temperature as compared to rural areas. 

Q35. If a region is near the equator, it will have a 

• Tropical climate
• Temperate climate
• Desert climate
• Polar climate

Solution

If a region is near the equator, it will receive maximum heat from the Sun and will have a tropical climate which is very hot and humid.

Q36. In an elephant, the tusks are modified

• Incisors
• Canines
• Molars
• Premolars

Solution

Tusks are used to tear the bark of trees. Tearing teeth are called incisors. Therefore, tusks are modified incisors. 

Q37. Which type of vegetation is found in warm temperate regions?

• Liverworts
• Lichens
• Mosses
• Grasses

Solution

Grasses are prominently found in warm temperate regions because the climate in these regions is moderate which favours the growth of grasses.

Q38. Which of the following best describes temperature climate?

• Hot and humid
• Moderately hot and humid
• Hot and dry
• Cold and humid

Solution

Temperature climate is neither very hot nor very cold.

Q39. Which of the following are found abundantly in regions with tropical climate?

• Mangrooves
• Dry forests
• Evergreen forests
• Deciduous forests

Solution

Mangrooves are abundantly present in regions with tropical climate because these areas receive a lot of rain throughout the year.

Q40. Which of the following are given in the weather report?

• Maximum temperature
• Humidity
• Sunrise
• All of the above

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