Question : Radioactive elements emit:

Option 1: Radio waves

Option 2: Infrared waves

Option 3: Ultraviolet waves

Option 4: α, β, and γ radiation

Question : Radioactive materials should be kept in a container made of:

Option 1: Iron

Option 2: Aluminium

Option 3: Lead

Option 4: Steel

Question : What is the jelly-like substance between the nucleus and the cell membrane called?

Option 1: Plasma

Option 2: Cell wall

Option 3: Plasma membrane

Option 4: Cytoplasm

Question : When a cell divides by meiosis, it produces _____________ new cells.

Option 1: 4

Option 2: 2

Option 3: 3

Option 4: 5

Question : A plant cell has a big central _______, unlike several small ______ in animal cells.

Option 1: vacuole, vacuoles

Option 2: cell wall, cell walls

Option 3: tissue, tissues

Option 4: cell membrane, cell membranes