General Science - MCQ Practice Questions

Planet closest to Sun?

Vitamin C deficiency causes?

Hardest natural substance?

Gas causing global warming?

Ohm Law: V = ?

Powerhouse of cell?

Sound cannot travel through?

Universal blood donor group?

Human body has how many bones?

Largest gland in human body?

Which of the following is the primary pigment responsible for absorbing light energy in the visible spectrum during photosynthesis?

The pH of cell sap in plant cells typically ranges between:

Which element is essential for the synthesis of chlorophyll molecule and forms the central atom in its structure?

The phenomenon where plants bend towards light source is governed by which hormone?

In C4 plants, the first stable compound formed during carbon fixation is:

The root pressure phenomenon in plants can be measured using a device called:

Which of the following statements about stomatal opening is correct?

The phenomenon of leaf fall in deciduous plants before winter is regulated by which hormone?

In plant tissue culture, which growth regulator ratio promotes callus formation?

The osmotic potential of a solution is directly related to: