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CBSE Class 4  >  Class 4 Test  >  Science  >  Test: Adaptations in Plants- 3 - Class 4 MCQ

Adaptations in Plants- 3 - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Adaptations in Plants- 3 (10 Questions)

You can prepare effectively for Class 4 Science for Class 4 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Adaptations in Plants- 3". These 10 questions have been designed by the experts with the latest curriculum of Class 4 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 10

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Test: Adaptations in Plants- 3 - Question 1
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How do underwater plants help fish and other aquatic animals?

Detailed Solution: Question 1

Underwater plants release oxygen into the water during photosynthesis. This oxygen is important for fish and other aquatic animals to breathe and live, helping to keep the water healthy.

Test: Adaptations in Plants- 3 - Question 2
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How do underwater plants like Hydrilla survive underwater? 

Detailed Solution: Question 2

Underwater plants like Hydrilla have thin, narrow leaves that let water pass through them easily. This helps the plants stay in place and not get torn by water movement.

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Test: Adaptations in Plants- 3 - Question 3
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Which of the following is an example of plant adaptation?

Detailed Solution: Question 3

Roses use thorns to scare off animals that might eat them, which is a form of adaptation. This physical feature helps the plant protect itself from being consumed by herbivores, ensuring its survival and ability to reproduce.

Test: Adaptations in Plants- 3 - Question 4
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What are plants that grow in water called?

Detailed Solution: Question 4

Plants that grow in water are called aquatic plants. They live in water environments like lakes, ponds, rivers, and oceans.

Test: Adaptations in Plants- 3 - Question 5
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What helps fixed aquatic plants like water lilies stay afloat?

Detailed Solution: Question 5

Fixed aquatic plants, like water lilies, have broad leaves with a waxy surface that helps them float on the water. The waxy coating keeps the leaves dry and prevents them from rotting.

Test: Adaptations in Plants- 3 - Question 6
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Why do fixed aquatic plants have stomata on the upper side of their leaves?

Detailed Solution: Question 6

Fixed aquatic plants, such as water lilies, have stomata on the upper side of their leaves to take in air. This is important because their leaves float on the water, so having stomata on top allows them to get the carbon dioxide they need for photosynthesis.

Test: Adaptations in Plants- 3 - Question 7
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Why do floating plants like duckweed have spongy leaves with air spaces?

Detailed Solution: Question 7

Floating plants like duckweed have spongy leaves filled with air spaces, which help them float on the water. This makes it easier for the plant to get sunlight and stay stable on the water surface.

Test: Adaptations in Plants- 3 - Question 8
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State whether the following statement is True or False:

Plants in heavy-rainfall areas have leaves that do not capture sunlight for photosynthesis.

Detailed Solution: Question 8

  • Plants in heavy-rainfall areas, like lychee, cashew, pineapple, sugar cane, cotton, rubber, and teak, have broad and abundant leaves that capture sunlight for photosynthesis.
  • This process helps plants make their food using sunlight.
  • So, the statement is False because these plants do capture sunlight through their leaves to make food.

Test: Adaptations in Plants- 3 - Question 9
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Which type of tree loses all its leaves in autumn to survive the winter?

Detailed Solution: Question 9

  • A deciduous tree is a type of tree that loses all its leaves at once in autumn.
  • This helps the tree survive the cold winter by saving water.
  • In spring, new leaves grow back.
  • Examples of deciduous trees include cherry and maple.
  • On the other hand, evergreen trees keep their leaves all year round and do not lose them in autumn.

Test: Adaptations in Plants- 3 - Question 10
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Trees that do not lose their leaves in winter are called _____.

Detailed Solution: Question 10

Evergreen trees keep their leaves all year long. This helps them stay green and healthy, even when the weather changes.

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About this Class 4 Practice Test

This test contains 10 MCQs on Adaptations in Plants- 3 with detailed solutions for each question. It is part of the Science for Class 4 course on EduRev, designed to align with the current Class 4 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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