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Showing: Class 7 / Science (212 questions)
Which among these organs do not belong to the respiratory system?
Which organ system is responsible for filtering waste from the blood and producing urine?
When iodine solution is added to a food item and it turns blue-black, the food contains:
Which one of the following is not helped by water in our body?
The mineral required for the formation of hemoglobin in blood is:
Which food item is richest in calcium and helps in making bones and teeth strong?
Which vitamin is naturally formed in the human body when exposed to sunlight?
The carbohydrate that is stored in plants and commonly eaten as rice, wheat and potatoes is:
Attraction is seen between the poles of two bar magnets in the case of
When a bar magnet is brought near iron dust, most of the dust sticks