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Class 10 · Science · Hard
→If a root receives signals from the direction of water and from gravity, what idea does this question test?
Class 10 · Science · Medium
→High auxin concentration may inhibit growth in roots but promote growth in stems. What does this show?
Class 10 · Science · Medium
→Cells on the shaded side of a plant stem become more elongated. In which direction will the plant bend?
Class 10 · Science · Medium
→A plant receives light from one side, but its shoot tip is covered. Why may bending of the stem decrease?
Class 10 · Science · Medium
→If an endocrine gland develops a duct and its secretion moves outside, why would its normal hormonal function be affected?
Class 10 · Science · Medium
→Which comparison between nervous control and hormonal control is most correct?
Class 10 · Science · Medium
→Why does a hormone not affect every cell even after spreading through the blood?
Class 10 · Science · Medium
→In which situation will the role of the pituitary gland be most clearly seen?
Class 10 · Science · Medium
→What is the correct relation between thyroxine deficiency and iodine deficiency?
Class 10 · Science · Medium
→Which group correctly shows the effects of adrenaline during fear?
Class 10 · Science · Medium
→According to negative feedback, what should happen to insulin secretion when blood sugar becomes normal?
Class 10 · Science · Medium
→If a person's blood sugar remains high for a long time after food, which conclusion is most suitable?
Class 10 · Science · Hard
→A person can feel touch but has difficulty lifting the hand. Which part of the nerve pathway may be more affected?
Class 10 · Science · Medium
→Why does the brain receive information even when its direct role in a reflex action is small?
Class 10 · Science · Hard
→If a drug prevents the chemical messenger at a synapse from breaking down, what may happen?
Class 10 · Science · Medium
→Which statement best explains the direction of a nerve impulse?
Class 10 · Science · Hard
→A patient can think and speak, but automatic breathing is seriously affected. Which part is most suspicious?
Class 10 · Science · Hard
→After an injury, a person can walk but fine control of the hand while writing is disturbed. Which brain part may be more affected?
Class 10 · Science · Hard
→If the amount of chemical messenger at a synapse becomes very low, what will happen to the nerve message?
Class 10 · Science · Hard
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