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Test: Characteristics of Living Beings - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Test: Characteristics of Living Beings

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

Animals and plants have certain features which make them to survive in a particular habitat. This is called

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Presence of features which enable plants and animals to live in a habitat is called adaptation.

Test: Characteristics of Living Beings - Question 2

Respiration in aquatic animals occurs by

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Aquatic animals use gills for respiration.

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Test: Characteristics of Living Beings - Question 3

Bending of a stem towards sunlight is called

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Bending of stem towards sunlight is called phototropism.

Test: Characteristics of Living Beings - Question 4

Which of the following is not the characteristic of a living thing?

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Decay is one of the features which is not a property of living beings. It can take place only after the death of a person where metabolism, reproduction and growth are characteristic of living beings.

Test: Characteristics of Living Beings - Question 5

Fishes move about in the water with the help of their

Detailed Solution for Test: Characteristics of Living Beings - Question 5
Fishes move about in the water with the help of their fins and tails

  • Fins: Fins are the thin, membranous, winglike or paddlelike organs that are attached to a fish's body. They help in steering, balancing, and stabilizing the fish as it moves through the water.

  • Tails: The tail of a fish, also known as the caudal fin, is the main propulsive organ. It moves from side to side to generate forward motion, allowing the fish to swim efficiently.

  • Combination: By using their fins and tails in coordination, fishes are able to navigate through the water with precision and speed. The fins provide control and maneuverability, while the tail generates propulsion, enabling fishes to swim in various directions and speeds.

  • Adaptations: The shape, size, and placement of fins and tails vary among different species of fish, reflecting their unique adaptations to their environments. Some fishes have elongated fins for precise movements, while others have powerful tails for swift swimming.

  • Overall: The combination of fins and tails allows fishes to move gracefully and effectively in their aquatic habitats, showcasing the remarkable evolutionary adaptations that enable them to thrive in diverse ecosystems.

Test: Characteristics of Living Beings - Question 6

Which of the following aquatic plants grows completely submerged in water?

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Submerged Aquatic Plants

  • Hydrilla: Hydrilla is a submerged aquatic plant that grows completely underwater. It is a highly invasive species that can form dense mats in bodies of water, impacting native plant and animal species.

  • Water hyacinth, water lily, and lotus are all aquatic plants, but they typically grow partially or completely above the water's surface.


By understanding the characteristics of different aquatic plants, we can identify which ones grow submerged and which ones grow above the water's surface. In this case, Hydrilla is the correct answer as it is a submerged aquatic plant.
Test: Characteristics of Living Beings - Question 7

Primary function of scales on fishes is to

Test: Characteristics of Living Beings - Question 8

Yaks have one of the following on their bodies to keep them warm. This one is

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Yaks and Their Body Covering

  • Yaks have hair on their bodies: Yaks are covered in a thick layer of long, shaggy hair that helps to keep them warm in their cold mountainous habitats.

  • Insulation: The hair of yaks provides insulation by trapping air close to their bodies, which helps regulate their body temperature in harsh environments.

  • Protection: The hair of yaks also protects them from the elements such as snow, wind, and rain, allowing them to survive in extreme conditions.

  • Adaptation: Yaks have evolved to have this hair covering as a natural adaptation to their high-altitude environments, making them well-suited to their habitats.

Test: Characteristics of Living Beings - Question 9

The non-living thing among the following is

Detailed Solution for Test: Characteristics of Living Beings - Question 9
Non-Living Thing Among the Following

  • A: log piece - Logs are cut pieces of wood that have been separated from the tree. They are no longer living and do not have the ability to grow or reproduce. Therefore, log piece is the non-living thing among the options given.

  • B: tree - Trees are living organisms that grow, reproduce, and require sunlight, water, and nutrients to survive.

  • C: grasshopper - Grasshoppers are living creatures that belong to the animal kingdom and have the ability to move, eat, and reproduce.

  • D: dog - Dogs are living animals that breathe, eat, move, and reproduce. They are part of the animal kingdom and are considered living organisms.

Test: Characteristics of Living Beings - Question 10

The leaves of which of the following plants fold up on being touched?

Detailed Solution for Test: Characteristics of Living Beings - Question 10
Explanation:

  • Mimosa plant: The leaves of the Mimosa plant fold up when they are touched. This is a defense mechanism to protect the plant from potential harm.

  • Mango plant: The leaves of the Mango plant do not fold up when touched. They remain in their position.

  • Money plant: The leaves of the Money plant also do not fold up when touched. They stay as they are.

  • Mustard plant: The leaves of the Mustard plant do not fold up when touched. They do not exhibit this behavior.

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