The probability of a girl or a boy being born in a family is 50% chances for each. This is because the chances of inheriting an X or Y chromosome from the father are equally likely, making both outcomes equally ...
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The correct option is (A). Both statements are true, and the reason correctly explains the assertion. Tallness in pea plants is controlled by a gene that produces an enzyme responsible for synthesising growth hormones, making the plant tall. CBSE Class 10 ...
The correct option is (C). The use of plastic as packaging material increases non-biodegradable waste. Plastics do not decompose naturally, leading to long-term environmental pollution and harm to soil, water, and living organisms. CBSE Class 10 Science Question Paper 2025 with ...
Sameer is likely suffering from diabetes mellitus. It is caused by a deficiency of insulin hormone, which regulates blood sugar levels. Insulin is produced by the pancreas, specifically by the islets of Langerhans. class 10 science half yearly paper class 10 free ...
When light travels from medium A (refractive index 1.6) to medium B (1.8), it enters a denser medium. Light slows down and bends towards the normal, proving A → B causes bending towards the normal. sample paper for class 10 science ...