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A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (a) Near the door (b) On the floor (c) On any wall (d) On the ceiling

(d) On the ceiling In case of fire, the air on top of the fire becomes hotter and rises up. So, an alarm should be placed on the ceiling in a... View Article

Fill in the blanks in the paragraph given below. The weather of a place is the day-to-day condition of the a) atmosphere with respect to b) Temperature, c)Humidity,d) rainfall, e) wind speed at that place, while climate is the f) average weather pattern has taken over many years.

Weather of a place is the day-to-day condition of the a) atmosphere with respect to b) Temperature, c)Humidity, d) rainfall, e) windspeed at that... View Article

Differentiate between Maximum and minimum temperatures of the day

Maximum temperature occurs during daytime, afternoon to be precise Minimum temperature occurs early in the morning. Maximum temperature... View Article

Differentiate between Climates of the polar region and tropical rain forest

Polar region remains very cold for most part of the year whereas tropical rainforest is hot and humid. Rainforests are located in the tropical... View Article

Differentiate between: Humidity and rainfall

The concentration of water vapour present in the air is known as humidity. The widely employed primary measurements of humidity are: absolute... View Article

Mention two adaptive features of penguin that help it in swimming

The two adaptive features of penguin that help it in swimming. a) The flipper-like wings and streamed body b) The webbed feet. A group of... View Article

Write two common adaptive features of a polar bear which help in keeping it warm.

The two common adaptive features of a polar bear which help in keeping it warm are: i) It has two thick layers of fur which keeps it warm. ii)... View Article

Name two animals each that live in Polar region and Tropical rain forests.

Polar regions: polar bear/penguin/reindeer/musk oxen/any other. The North and South poles have climates that are polar because of nearby cold air... View Article

Why is it difficult to predict the weather of a place while it is easy to predict its climate?

Weather is a complex phenomenon which can vary over a short period of time and thus is difficult to predict. It is easier to predict climate as... View Article

Unscramble the following words using the hints given against them. 1) MATLICE (Hint: weather pattern in a region over a period of time) 2) AROPL (Hint: coolest region on earth) 3) TREHMEOMRET (Hint: used to measure temperature) 4) UHIDYTMI (Hint: feature of weather)

(i) Climate A climate is that average weather in an exceeding place over a few years. Whereas the weather would be modifications or alterations... View Article

State whether the following statement are True or False. Tropical rain forests are cool and humid throughout the year because of heavy rains all the time.

False Tropical rain forests are hot and humid throughout the year because they are located near the equator. The tropical rain forest is a... View Article

State whether the following statement are True or False. Penguins stick together to fight the cold polar climate.

True Penguins stick together to get isolated to fight cold polar climate. They have waterproof feathers and a thick layer of fat to keep them... View Article

State whether the following statement are True or False. Since very few preys are available, the polar bear does not need to have a strong sense of smell.

False Since very few preys are available, polar bear need to have strong sense of smell to get the prey. A polar bear has more olfactory nerve... View Article

State whether the following statement are True or False. Correct the false statements. It is easy to predict the weather rather than climate.

False It is easy to predict climate rather than weather. Weather Climate Weather is day-to-day information of the changes in the... View Article

“A fish dies when taken out of water whereas a wall lizard will die if kept underwater.” Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.

Adaptation Adaptation is the physical or behavioural characteristic of an organism that helps an organism to survive better in the surrounding... View Article

Choose the odd one from the following options : (a) A thick layer of fat under the skin (b) White fur (c) Long grasping tail (d) Wide and large feet with sharp claws

c) Long grasping tail The long grasping tail is the adaptation found in animals of the tropical region whereas others option gives adaptations... View Article

The coldest region on earth is the – (a) polar region (b) tropical region (c) temperate region (d) coastal region

a) Polar region There are two main polar regions in the world, which are the Arctic and the Antarctic. The Arctic Circle and Arctic Tundra are... View Article

Read the following environmental conditions of tropical rain forests. (i) A hot and humid climate (ii) Unequal lengths of day and night (iii) Abundant rainfall (iv) Abundant light and moisture Identify the conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests. (a) (i) and (ii) (b) (i) and (iii) (c) (i), (iii) and (iv) (d) (ii) and (iv)

c) (i), (iii) and (iv) Environmental conditions of tropical rain forests like - hot and humid climate, abundant rainfall, light, and moisture... View Article

Which of the following statement is incorrect for penguins? (a) They huddle together (b) They cannot swim (c) They have webbed feet (d) They have streamlined body

b) They cannot swim Penguins are good swimmers. They have flipper-like wings, streamed body, and also webbed feet. enguins are a family of 17... View Article

Given below are some adaptive features of animals: (i) A layer of fat under the skin (ii) Long, curved and sharp claws (iii) Slippery body (iv) Thick white fur Which of them are the adaptive features of a polar bear? (a) (i) only (b) (i) and (ii) only (c) (i), (ii) and (iii) only (d) (i), (ii), and (iv) only

d) (i). (ii), and (iv) The body of polar bear is covered with thick white fur which helps the animal to camouflage with the snow. Thick layer... View Article

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