PART - 1 CH - 4 Carbon and Its Compounds — Science STD 10 — Question

What is the effect on the resistance in the circuit at the time of short-circuit ?

What are plant hormones?

Draw the warning sign displayed on bottles of concentrated acids and bases kept in laboratory.

What is biological magnification? Will the levels of this magnification be different at different level of the ecosystem?

State the equation of photosynthesis.

What is the power of a lens that can be used to correct the eye defect of a person who cannot see the objects distinctly kept beyond 2 m?

Mention two ways to increase the strength of the magnetic field of a current-carrying solenoid.

Find mismatched pair :
(i) iodine - Functioning of thyroid gland
(ii) Insulin - Regulates blood sugar level
(iii) Pituitary - Secretion necessary for balanced growth
(iv) Ovary - Regulation of digestive action

Write the Ohm's law in the form of a formula.

Name the three components of a nerve cell.