Brain Wave final round

Anthers and filaments are collectively known as

Answer explanation

stamen

Which metal can displace zinc – magnesium or copper?

Answer explanation

magnesium

The line at the right angles to the surface that the incident ray strikes is known as

Answer explanation

normal

Which part of the flower carries the pollen grains?

Answer explanation

anther

Why do we evaporate water when making salts?

Answer explanation

to get salt crystals

The bending of the light rays is known as

Answer explanation

refraction

Which feels colder: metal or wood spoon?

Answer explanation

metal

If a light ray has an angle of incidence 35, what is the angle of reflection?

Answer explanation

35

Who discovered the compartment like structures in the cork under a microscope?

Answer explanation

Robert Hooke

Vacuole in plant cell is filled with the liquid known as?

Answer explanation

Sap