IEO Level 2- English Olympiad (SOF) Class 4 Coaching Programs
β³ π― Online Tests (3 Tests [35 Questions Each]): NTA Pattern, Analytics & Explanations
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π― 240 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
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NCERT Class 4 Science Solutions Adaptation in Plants Part 2
Match the following
List I | List II |
Palm | Water |
Tape grass | Marshes |
Birch | Plains |
Mangroove | Mountain |
Mango | Desert |
Match the correct words for the following images
Short Answer Question:
Q 1. Describe the types of aquatic plant. How do aquatic plants adapt to the environment?
Answer: There are three types of aquatic plants β
- Fixed plants β
- Their stems are hollow, light and very flexible so that it can withstand in water
- Their leaves are flat to help float on the surface of the water.
- The stomata are present on the upper surface of the leaves as lower surface is on the water.
- Floating plants -
- They are like sponges they have empty pores to absorb air which helps in floating.
- They are generally small in size.
- They have thick, branched, dark fibrous roots underneath the water.
- Underwater plants -
- Their roots fix them to the muddy soil.
- Heir stems are flexible and have air spaces.
- They have narrow, thin leaves with no stomata. They breathe through body surface.
Q 2. Name two types of conifers. How do conifers adapt to the environment?
Answer: Trees that grow in the mountainous regions are coned shaped and hence called
- Conifers. Trees such as pine, fir, spruce and cedar are types of conifers.
- They are shaped like cones to shrug off the snow easily.
- Conifers have needle β shaped leaves, which are very tough and can survive the cold climatic conditions.
- These are evergreen trees