science
Grade-4-
Easy
Question
Which part collects sunlight?
- Stem
- Leaves
- Flowers
- Roots
Hint:
Sunlight is required for photosynthesis and photosynthesis occurs in leaves.
The correct answer is: Leaves
Leaves
- Sunlight is trapped by a green pigment present in leaves of plants.
- The gree pigment is known as chlorophyll.
- Chlorophyll is present in intracellular structures called chloroplast in leaves.
- Sunlight is required for photosynthesis to create food and energy in plants.
- Photosynthesis occurs in chloroplast present in leaves.
- Chloroplast has a green coloured pigment which is responsible for trapping sunlight.
- The green coloured pigment is known as chlorophyll.
Related Questions to study
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Pick the odd one out.
Only lungs have an unique function and that is respiration.
Pick the odd one out.
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Only lungs have an unique function and that is respiration.
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Which of the following structures can help escape predation?
- The horns of animals work as weapons to kill their prey .
Which of the following structures can help escape predation?
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- The horns of animals work as weapons to kill their prey .
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Waste is passed through which part of the body?
- Anus is the last part of our body from where the food (excluding nutritious matter) pass out from the body.
Waste is passed through which part of the body?
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- Anus is the last part of our body from where the food (excluding nutritious matter) pass out from the body.
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Which structure removes toxins from the body of animals?
Kidneys have structural units called nephrons which filter blood.
Which structure removes toxins from the body of animals?
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Kidneys have structural units called nephrons which filter blood.
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Which of the following is an external organ.
- Except stomach all the given organs are external organs as present outside the body.
Which of the following is an external organ.
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- Except stomach all the given organs are external organs as present outside the body.
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Which is an internal organ?
- All are the internal organs.
Which is an internal organ?
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- All are the internal organs.
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Which part is used in frogs to catch prey?
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Which part is used in frogs to catch prey?
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- Frogs eat small organisms inside and outside water.
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Which of the following birds have a wide beak with a pouch to collect fish.
- Pelicans belong to pelecanidae family.
Which of the following birds have a wide beak with a pouch to collect fish.
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- Pelicans belong to pelecanidae family.
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Which is an external organ?
- All the given organs are internal as no one is present outside the body.
Which is an external organ?
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- All the given organs are internal as no one is present outside the body.
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Frogs have moist skin because
- The mucus layer prevents skin from drying.
Frogs have moist skin because
scienceGrade-4-
- The mucus layer prevents skin from drying.
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Tongue also helps to generate ____________.
- Saliva digests starch from the food in mouth.
Tongue also helps to generate ____________.
scienceGrade-4-
- Saliva digests starch from the food in mouth.
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Arctic fox has_______ as an adaptation.
- Arctic foxes live in burrows and in a blizzard they may tunnel into the snow to create shelter.
Arctic fox has_______ as an adaptation.
scienceGrade-4-
- Arctic foxes live in burrows and in a blizzard they may tunnel into the snow to create shelter.
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Stomach helps in the process of ______________.
- Stomach is also divided into three different parts which play role in digestion.
- Lining of stomach secretes hydrochloric acid which helps in digestion of food.
Stomach helps in the process of ______________.
scienceGrade-4-
- Stomach is also divided into three different parts which play role in digestion.
- Lining of stomach secretes hydrochloric acid which helps in digestion of food.
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Lungs help an animal to _____.
- Lungs carry oxygen to blood and carbon dioxide from the blood.
Lungs help an animal to _____.
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- Lungs carry oxygen to blood and carbon dioxide from the blood.
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Eagles have hooked beak because:
- The beak of eagles is typically heavier than that of most other birds of prey.
Eagles have hooked beak because:
scienceGrade-4-
- The beak of eagles is typically heavier than that of most other birds of prey.