Which of the two will be chemically more reactive, Sulphur(S) with atomic number 16 or Chlorine (Cl) with atomic number 17?

Which of the following elements does not exhibit the electrovalencey?

Which scientist gave the concept of fixed energy levels around the nucleus?

Which of the following statement marks as a difference between plant cell and animal cell?

You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to you what is the reason behind this colour change.

The process of plasmolysis in plant cell is defined as:

Where are the essential proteins and lipids required for cell
membrane, manufactured?

Which of the following is not a function of the vacuole in plants?

________ is called the energy currency of the cell

Tissue is a group of similar kind of cells specialized to perform a particular function in the body. Therefore presence of tissues in a multicellular organism ensures:

Lysosome is a cytoplasmic organelle containingenzymesthat break down biological polymers. Lysosomes function as the digestive system of the cell. It is also called the suicide bag of the cell because:

While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct?

If the displacement of an object is proportional to square of time, then the object moves with: