alleryStart learning →Strong wind blows on a tall tree but it does not fall. Which part helps most?
- Its leaves
- Its flowers
- Its fruits
- Its roots
Show answer and solution
Correct answer: D. Its roots
Roots fix the plant in the soil and resist the pull of wind.
Olympiad (Class 4) Plants — practice questions
Explore 47 free Plants questions in Olympiad (Class 4) Science. Open each question or exercise to read its content, reference answers and available explanation.
Practise Plants with Quill →Plants questions and exercises with answers
Showing questions 1–30 of 47.
Strong wind blows on a tall tree but it does not fall. Which part helps most?Read the answer and worked solution →Carrot and sweet potato are roots that we eat. What do these roots store?Read the answer and worked solution →A root system has one thick main root going straight down. What is it called?Read the answer and worked solution →Wheat and rice have many thin roots of similar size. What kind of root system is this?Read the answer and worked solution →Soil on a slope keeps washing away in rain. Which plants would hold it best?Read the answer and worked solution →A gardener puts a cut stem in water and new roots appear on it. What does this help?Read the answer and worked solution →Mangrove trees grow in muddy water with little air. Their special roots help them do what?Read the answer and worked solution →A banyan tree has roots that hang down from its branches and act like pillars. What do they give?Read the answer and worked solution →Tiny root hairs cover the tip of a root. What is their main work?Read the answer and worked solution →Which part of a plant takes in water and minerals from the ground?Read the answer and worked solution →Which part of a plant mainly makes food using sunlight?Read the answer and worked solution →A plant has no flowers this year. Which job will it most likely fail to do?Read the answer and worked solution →What two jobs does the stem of a plant do?Read the answer and worked solution →A plant cell has a strong, bendy wall around it. What is the wall mostly made of?Read the answer and worked solution →Which part is found in plant cells but not in animal cells?Read the answer and worked solution →A plant cell takes in water and swells but does not burst. What protects it?Read the answer and worked solution →What does a plant make in its leaves using light?Read the answer and worked solution →What is the green material in leaves that catches light energy called?Read the answer and worked solution →Which two things do plants use to make food in photosynthesis?Read the answer and worked solution →Which gas do plants give out when they make their food in light?Read the answer and worked solution →A plant is kept in a dark cupboard for many days. What will it be unable to do well?Read the answer and worked solution →Which statement about plants and animals is true?Read the answer and worked solution →Why are plants called producers in a food web?Read the answer and worked solution →About what share of today's air is oxygen, after plants and algae changed it?Read the answer and worked solution →If all green plants vanished, which would soon be in trouble?Read the answer and worked solution →A potato piece with a bud is buried and grows into a new plant. How did the plant reproduce?Read the answer and worked solution →A strawberry plant sends long stems along the ground that grow new plants. What are these called?Read the answer and worked solution →A gardener cuts a stem and plants it to grow a new rose. What is this way called?Read the answer and worked solution →A moss is broken into small pieces. What may happen to each piece?Read the answer and worked solution →A farmer notices crops grow badly in a very crowded field. What kind of factor is crowding?Read the answer and worked solution →
Worked practice questions
Carrot and sweet potato are roots that we eat. What do these roots store?
- Only sunlight
- Only air
- Food and water
- Only soil
Show answer and solution
Correct answer: C. Food and water
Fleshy roots like carrot and sweet potato keep food and water in reserve for the plant.
A root system has one thick main root going straight down. What is it called?
- Fibrous root
- Aerial root
- Taproot
- Floating root
Show answer and solution
Correct answer: C. Taproot
A taproot system has one main root growing vertically downward with smaller side roots.
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