P-2 Social health — Science STD 10 — Question

Which has less electrical resistance : a thin wire or a thick wire (of the same length and same material)?

What do you mean by the orbit of a satellite?

Name two predators of snakes in a food web operating in a forest ecosystem.

In which direction does conventional current flow around a circuit?

If the trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Which component of the cellular nucleus of living organisms carries hereditary characters?

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
Evolution means ………….

Out of xylem and phloem, which one carries materials:

1. Upwards as well as downwards?
2. Only upwards?

What organs are attached to the two bronchi?