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Olympiad Test: Living Organisms & Surroundings - 3 - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Olympiad Test: Living Organisms & Surroundings - 3

Olympiad Test: Living Organisms & Surroundings - 3 for Class 6 2024 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Living Organisms & Surroundings - 3 questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Living Organisms & Surroundings - 3 MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Living Organisms & Surroundings - 3 below.
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Olympiad Test: Living Organisms & Surroundings - 3 - Question 1

What does the figure given below represent? 

 

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 1

The figure represents the interdependence between plants and animals. Animals depend on plants for food and oxygen. Plants depend on animals for carbon dioxide.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 2

The plant in the given figure responds to 

 

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 2

Basic needs required for a plant to grow are air, water and sunlight. It prepares its food in the presence of sunlight. Its shoot system or stem respond to light and bends towards the direction of sunlight.

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Olympiad Test: Living Organisms & Surroundings - 3 - Question 3

The following is a list of some plants and the habitat in which they live. Which option is mismatched?

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 3

Cactus plants grow in deserts.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 4

Which of these 4 help polar bears adapt to live in extreme cold climate?

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 4

The white fur helps the polar bear to conserve heat and white surfaces are poor radiators of heat. Fat stored under its skin provides insulation against heat loss thus helping the animal to survive in the extreme cold conditions in the arctic region.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 5

Which characteristics protect an animal against cold weather?
(i) Thin skin.
(ii) Thick skin.
(iii) Thick layer of fat under the skin.

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 5

To protect themselves from extreme cold, some animals like penguins have thick skin and a thick layer of fat under their skin.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 6

Which of the following is represented by "X" in the figure given below? 

 

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 6

Terrestrial ecosystem includes those organisms which live on land. It is classified into three types ? Forest ecosystem. Grassland ecosystem and Desert ecosystem.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 7

Following are some features of plants

(i) They lose a lot of water through transpiration.
(ii) Their leaves are always broad and flat.
(iii) They lose very little water through transpiration.
(iv) Their roots grow very deep into the soil.

Which of the combination of above features are typical of desert plants?

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 7

(iii) Plants lose a significant amount of water through transpiration, a process where water evaporates from the leaves.
(iv) Plants often have deep roots that aid in anchoring the plant and absorbing water and nutrients from deeper soil layers.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 8

Which of the following are characteristics of living beings ?

(i) Respiration
(ii) Reproduction
(iii) Adaptation
(iv) Excretion

Choose the correct answer from the options below:

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 8

All these features - respiration (the process of exchanging gases), reproduction (producing offspring), adaptation (ability to adjust to the environment), and excretion (removal of metabolic waste) - are essential characteristics of living organisms.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 9

Which of the following is an incorrect statement about excretion?

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 9

Excretion involves the elimination of metabolic waste products from the body, not solely limited to excess water. It includes the removal of various waste substances, not just water, produced during metabolic processes.

Olympiad Test: Living Organisms & Surroundings - 3 - Question 10

Choose the set that represents only the biotic components of a habitat.

Detailed Solution for Olympiad Test: Living Organisms & Surroundings - 3 - Question 10

Biotic components refer to living organisms in an ecosystem. In this set, aquatic plants, fish, frogs, and insects are all living organisms, representing the biotic components of a habitat.

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