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Living Organisms and Their Surroundings (HBBVS)

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Identify the animal.

(a) It is a mammal.
(b) It breaths through its nostrils.
(c) It can stay inside water for long time.
(d) It does not have scales.

  1. Squid

  2. Whale

  3. Crocodile

  4. Frog

  5. -


Correct Option: B
Explanation:

This is the correct answer. Whale satisfy all conditions. 

Which of the following is correct statement ?

a. Plants grow throughout their life.
b. Animals prepare their own food.
c. Animals respond to stimulus.
d. Plants have nervous system.

  1. Both a and c

  2. Both b and c

  3. Both a and d

  4. Both b and d

  5. -


Correct Option: A
Explanation:

This is the correct answer. Option a and c are correct.

Which of the following elements is not commonly present in protoplasm?

  1. Phosphorus

  2. Iron

  3. Calcium

  4. Zinc

  5. -


Correct Option: D
Explanation:

This is the correct answer. Zinc is not commonly present in protoplasm.

Which abiotic factor is not necessary for plants?

  1. Carbon dioxide

  2. Nitrogen

  3. Oxygen

  4. Hydrogen

  5. -


Correct Option: D
Explanation:

This is the correct answer. Plants do not require hydrogen for their existence.

Which of the following are biennials?

  1. Wheat and beet

  2. Beet and carrot

  3. Mustard and beet

  4. Wheat and mustard

  5. -


Correct Option: B
Explanation:

This is the correct answer. Beet and carrot are biennials( two year life term).

What does a camel store in its 'hump' and use in an emergency situation?

  1. Fat

  2. Water

  3. Protein

  4. Carbohydrate

  5. -


Correct Option: A
Explanation:

This is the correct answer. Camels store fat in their hump which gets converted into water under emergency.

Which of the following animals breathe through their skin?

  1. Fish and earthworm

  2. Earthworm and frog

  3. Frog and fish

  4. Tadpole and fish

  5. -


Correct Option: B
Explanation:

This is the correct answer. Earthworm and frog both breathe through their skin.

Which of the following is a similarity between plants and animals?

  1. Both can prepare their own food.

  2. Both excrete waste materials.

  3. Both are highly sensitive to stimulus.

  4. Both grow throughout their life.

  5. -


Correct Option: B
Explanation:

This is the correct answer. Plants and animals both excrete their waste materials. Plants excrete latex and gum. Animals excrete undigested food.

Which of the following help fishes to move easily in water?

  1. Gills

  2. Tails

  3. Fins

  4. Streamlined bodies

  5. -


Correct Option: D
Explanation:

This is the correct answer. Streamlined bodies help fish to move easily in water.

The movement of a part of plant towards light is called ___________.

  1. photolocate movement

  2. photochromic movement

  3. photosensitive movement

  4. phototropic movement

  5. -


Correct Option: D
Explanation:

This is the correct answer. The movement of a part of plant towards light is called phototropic movement.

Which of the following non-living things shows two characteristics of living things?

  1. Flag

  2. Bicycle

  3. Table

  4. Balloon

  5. -


Correct Option: D
Explanation:

This is the correct answer. Balloon is a non-living thing which grows in size and shows movement when it is pushed.

Which of the following flowers opens up its petals in bright light and closes them at dusk?

  1. Sunflower

  2. Dandelion

  3. Rose

  4. Casablanca lily

  5. -


Correct Option: B
Explanation:

This is the correct answer. Dandelion flower opens its petals in bright light and closes at dusk.

Match the columns ||| |---|---| |a. Acclimatisation|i. Place where a plant or animal lives| |b. Stimulus|ii. Presence of a specific body feature in plants and animals to live in a particular| |c. Habitat|iii. Process of becoming accustomed to different enviorment for short period of time| |d. Adaption|iv. Changes in surroundings to which living things respond|

  1. a - ii, b - iv, c - iii, d - i

  2. a - iii, b - iv, c - i, d - ii

  3. a - iv, b - i, c - ii, d - iii

  4. a - iii, b - ii, c - i, d - iv

  5. -


Correct Option: B
Explanation:

This is an correct answer. All the options are matched correctly.

Which of the following adaptations is not exhibited by a desert habitat?

  1. Desert plants have long roots.

  2. Desert plants have needle-like leaves.

  3. Desert animals have flat feet.

  4. Desert animals hunt at night.

  5. -


Correct Option: B
Explanation:

This is the correct answer. Desert plants have thorn like leaves.

Which of the following characteristics of living things is exhibited by dried and stored wheat seeds?

  1. Metabolism

  2. Reproduction

  3. Growth

  4. Respiration

  5. -


Correct Option: D
Explanation:

This is the correct answer. Seeds do not show respiration as they are warm.

Which of the following is not exhibited by a living thing?

  1. Metabolism

  2. Evolution

  3. Growth

  4. Weathering

  5. -


Correct Option: D
Explanation:

This is the correct answer. Weathering is breaking away of rock pieces due to weather conditions.

Match the columns ||| |---|---| |Habitat|Adaption| |a. Desert|i. Plants have very short stems and small roots and the stems are hollow.| |b. Aquatic|ii. Trees with broad-shaped leaves shed their leaves before winter.| |c. Mountain|iii. Plants store water in stems.|

  1. a - ii, b - iii, c - i

  2. a - iii, b - ii, c - i

  3. a - i, b - ii, c - iii

  4. a - iii, b - i, c - ii

  5. -


Correct Option: D
Explanation:

This is the correct answer. All options are matched correctly.

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