PART - 3 CH - 11 Electricity — Science STD 10 — Question

According to Mendel's experiment, the tall plants in F₁ generation were exactly the same as the tall plants of the parent generation? Why?

An electric heater consumes 4.4 kW power when connected with a 220 V line voltage.
(1) Calculate the current flowing in the heater.
(2) Calculate the resistance of the heater.
(3) Calculate the energy consumed in 2 hours.

Due to which phenomenon is the colour of water in deep sea blue?

Give the name, location and function of respiratory pigment in human beings.

Give one example of decomposition reaction in which solid and gas are formed as products.

What is light? Mention its nature.

Explain the terms : Coordination

Why there is a controversy about whether viruses are truly alive or not?

State the function of light sensitive cells present in retina.

Define term : Saturated carbon compounds