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Living Organisms and Their Habitats

Description: Living organisms and their habitats.
Number of Questions: 15
Created by:
Tags: 5051ss Habitat and Adaptations Nutrition and its Modes in Plants Photosynthesis Heterotrophic Nutrition in Plants
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The main property/ies of Ephemerals is/are

  1. that they withstand dry seasons

  2. that they have a short-period life-cycle

  3. the life-cycle is of 6 - 8 weeks

  4. they produce drought resistant seeds

  5. all of the above


Correct Option: E
Explanation:

Since all the above mentioned statements are correct, therefore this option is correct.

Where is fat stored in the body of the camel for future use?

  1. Neck

  2. Stomach

  3. Liver

  4. Hump

  5. Toes


Correct Option: D
Explanation:

Fat is stored in the hump of the camel for future use.

Which of the following statements is not true with respect to the xerophytes?

  1. They have extensive root system.

  2. The roots of alfalfa may be more than 30 m long.

  3. Leaves of xerophytes are highly reduced.

  4. Opuntia leaves are modified into small, thick spines.

  5. Xerophytes are generally present in deserts.


Correct Option: D
Explanation:

Opuntia leaves are modified into long, slender spines, not small, thick spines. Hence, this statement is wrong.

Which of the following is not an example of Ephemeral plant?

  1. Spring beauty

  2. Twin leaf

  3. Cassia

  4. Blue flag

  5. Argemone


Correct Option: D
Explanation:

Blue flag is not an ephemeral plant, it is an aquatic plant.

Camel can increase the body temperature from the surroundings in order to avoid sweating. By how much can it increase the body temperature?

  1. 2 degrees

  2. 5 degrees

  3. 10 degrees

  4. 1 degree

  5. 11 degrees


Correct Option: B
Explanation:

Camel can increase the body temperature by almost 5 degrees.

Which of the following is not an adaptation by a camel?

  1. It can live without water for many days.

  2. When water is available, it can drink up to 90 liters of water.

  3. It can live without food for many days.

  4. It can block its nostrils completely.

  5. The camel has triple rows of eyelashes.


Correct Option: E
Explanation:

The camel has double row of eyelashes to protect its eyes from sand and sun. Hence, this statement is incorrect as this is not an adaptation of the camel to live in desert area.

Plants growing in cold or mountain habitats reproduce from __________.

  1. seeds

  2. leaves

  3. roots

  4. cones

  5. stems


Correct Option: D
Explanation:

Plants growing in cold or mountain habitats reproduce from cones.

Which of the following is not an adaptation of polar bear, living in cold or mountain regions?

  1. Its body is covered with hollow hair

  2. It has a thin layer of fat below its skin

  3. It has hairy soles

  4. It has white colour

  5. None of these


Correct Option: B
Explanation:

Polar bear has a thick layer of fat below its skin that gives it warmth. Therefore, this statement is wrong.

The bones of ______ are light and hollow.

  1. birds

  2. monkeys

  3. crocodiles

  4. frogs

  5. camels


Correct Option: A
Explanation:

The bones of birds are light and hollow.

Which of the following is not an adaptation of plants growing in cold or mountain habitats?

  1. Plants are tall and straight

  2. They have needle-like leaves

  3. Leaves are thick and tough

  4. They have small flowers

  5. The trees are known as Conifers


Correct Option: D
Explanation:

Plants growing in cold or mountain habitats usually don't have any flowers because flowers cannot survive in extreme cold. Hence, this statement is wrong.

Which of the following animals have paddle like limbs?

  1. Aquatic

  2. Arboreal

  3. Desert based

  4. Grassland based

  5. Mountain based


Correct Option: A
Explanation:

Paddle like limbs are present in aquatic animals like ducks.

Cold-blooded animals go for long sleep during extreme summers and extreme winters. It is known as

  1. aestivation

  2. hibernation

  3. long sleep

  4. hibernation and aestivation respectively

  5. aestivation and hibernation respectively


Correct Option: E
Explanation:

Cold-blooded animals go for long sleep during extreme summers and extreme winters. It is known as aestivation and hibernation respectively.

Which of the following animals have proboscis?

  1. Bats

  2. Monkeys

  3. Mosquitoes

  4. Squirrels

  5. Leeches


Correct Option: C
Explanation:

Proboscis are present in mosquitoes. These are long needle-like mouth parts to prick the skin and suck blood.

The wings of the birds are attached to the

  1. forelimbs

  2. hindlimbs

  3. chest

  4. flight muscles

  5. back bone


Correct Option: D
Explanation:

The wings of the birds are attached to the flight muscles.

Warm-blooded animals can ____________.

  1. change their body temperature according to the surroundings

  2. not reproduce

  3. live without oxygen

  4. not change their body temperature according to the surroundings

  5. survive without food


Correct Option: A
Explanation:

Warm-blooded animals can change their body temperature according to the surroundings.

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