Class X Science Exam Prep
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Class X Science Exam Prep
This exam covers key concepts in biology and chemistry, focusing on the functions of different parts of the brain, neuron types, methods of reproduction in yeast, chemical reactions, and properties of substances. Student...
Sample questions with model answers
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Explain the functions of cerebrum, cerebellum, medulla and spinal cord.
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Cerebrum: higher functions; Cerebellum: balance; Medulla: autonomic functions; Spinal cord: reflexes.
The full exam-length answer is in the app.
How does chemical co-ordination take place in animals?
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Through hormones released into the bloodstream affecting target organs.
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Rajesh observed a patch of greenish black powdery mass on a stale piece of bread. a. Name the organism responsible for this and its specific mode of asexual reproduction. b. Name its vegetative and reproductive parts.
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Organism: Mold; Asexual reproduction: Spores; Vegetative part: Mycelium; Reproductive part: Sporangium.
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On seeing prey, a tiger runs towards it at a tremendous speed? What causes the movement in its muscles? How does the cellular components of muscle changes during the event?
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Muscle contraction caused by nerve impulses; ATP and calcium ions involved.
The full exam-length answer is in the app.
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