The Living Organisms and Their Surroundings quiz

The place where an organism lives is its:

Which of these is an abiotic component?

Cactus has spines instead of leaves to:

Fish breathe through:

Which animal is adapted to live in deserts?

Mountain trees are usually:

The process of getting rid of wastes by living organisms is:

The leaves of a lotus have a waxy coating so that they:

Which of the following is a terrestrial habitat?

Small changes in an organism within its lifetime to adjust to its surroundings are called:

Name two adaptations of a polar bear. (2 marks)

Why does a camel have long legs? (2 marks)

How do penguins stay warm in icy regions? (2 marks)

Why do some aquatic plants have narrow, ribbon-like leaves? (2 marks)

Give two examples of plants responding to stimuli. (2 marks)

Why are the roots of aquatic plants small? (2 marks)

Why do desert animals live in burrows during the day? (2 marks)

Give two characteristics that show that a plant is living. (2 marks)

How do the eyes of a lion help it hunt? (2 marks)

What are the abiotic components of a forest? Name four. (2 marks)

In a pond survey, students counted 25 frogs, 40 fish, 15 water birds and 20 snails. Find the total number of animals and the percentage that are fish. (3 marks)

A camel can drink about 100 litres of water in 10 minutes. How much does it drink per minute? If a bucket holds 10 litres, how many buckets is that? (3 marks)

The temperature on a mountain top is -5 degrees C and in the plains below it is 30 degrees C. Find the difference. Name one animal adapted to each place. (3 marks)

A student observed a germinating seed: on day 1 the shoot was 0 cm, on day 3 it was 1.5 cm and on day 6 it was 4.5 cm. Find the growth between day 3 and day 6. Which characteristic of living things does this show? (3 marks)

In a habitat list of 30 organisms, 12 are plants, 15 are animals and the rest are fungi or microorganisms. How many are fungi or microorganisms? What fraction are plants? (3 marks)

Read the passage and answer the questions. In the Thar desert, Ravi saw camels walking easily on sand. He also saw a cactus plant with a thick green stem and spines. Desert rats came out of their burrows only after sunset. (i) Give two adaptations of the camel for the desert. (ii) How is the cactus adapted to save water? (iii) Why do the rats come out only at night? (5 marks)

Read the passage and answer the questions. Students visited a pond. They saw lotus leaves floating on the surface, a fish swimming quickly, and frogs jumping between land and water. (i) Name one adaptation of the lotus. (ii) How is the fish's body suited for fast swimming? (iii) What are animals like frogs called? (5 marks)

Read the passage and answer the questions. A tourist visiting Ladakh noticed that yaks had long hair and that the trees were cone-shaped with needle-like leaves. On the first day, the tourist felt short of breath. (i) How do yaks stay warm? (ii) How does the cone shape help trees in snowy areas? (iii) What will happen to the tourist after a few days? (5 marks)

Read the passage and answer the questions. When Meena touched the leaves of a touch-me-not plant, they folded. When she walked into a bright sunny garden after being indoors, she blinked her eyes. (i) What do we call the touch and bright light here? (ii) What do we call the folding and blinking? (iii) Which characteristic of living things do these examples show? (5 marks)

Read the passage and answer the questions. In a forest, deer graze in open areas with their large ears moving constantly. A lion hides behind the tall dry grass, which is light brown like its fur. (i) How do the deer's ears help it? (ii) How does the lion's fur colour help it? (iii) What is this matching of colour with surroundings called in simple words? (5 marks)

Explain the adaptations of a camel and a fish with labelled diagrams. Compare how each is suited to its habitat. (6 marks)

Describe the biotic and abiotic components of a pond habitat. Draw a labelled diagram of a pond showing plants, animals, water, soil and sunlight. (6 marks)

Explain the adaptations of plants in desert, mountain and aquatic habitats with one labelled diagram each. (6 marks)

List the characteristics of living things. Explain each with an example from plants and animals, and describe an activity to show that plants respire or grow. (6 marks)

Explain the adaptations of animals in polar regions and grasslands, taking the polar bear, penguin, deer and lion as examples. Draw a labelled diagram of any one of them. (6 marks)