Which network topology is commonly used in Ethernet

Which of the following statement is/are true?

I. Acids are sour in taste

II. Bases are bitter in taste

Two bodies are in SHM having the same amplitude but different frequencies. The motion of the resultant is:

The arrangement of leaves on stems or its branches is

The force which opposes the relative motion between different layers of liquid or gases is called –

A rod of length 2 m expands by 2 mm when heated. If coefficient of linear expansion is 1 x 10-5 / 0C, find temperature change.

The elements which have low value of ionization potential are strong

Specific heat of aluminum when 26000 J of energy is supplied to 4 kg block and it's temperature rises from 25°C to 35°C is

Which gas is used in the process of photosynthesis?

Which part of the plant is responsible for photosynthesis?

Who proposed the theory of relativity?