cbse additional sample question paper for class 10 – Discussion Forum

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Rajshree Chatterjee

Asked: December 21, 2023In: Class 10 Science

Name the phenomenon that governs the following: – i) Green beetles living in green bushes are not eaten by the crows. ii) Number of blue beetles in green bushes increases, only because the red beetles living there were trampled by a herd of elephants. iii) No ‘medium height plants’ are obtained in F1 generation, upon crossing pure tall and dwarf pea plants. iv) Tails of mice were surgically removed for several generations; still mice had tails in the following generations. v) A migrant beetle reproduces with the local population; as a result genes of migrant beetle enter the new population.

CBSE Class 10 Science Pre Board Sample Question Paper 2023-24