Cell biology

The measurement of warmness and coldness of a substance is called

• a)Thermometer

• b) Temperature

• c) barometer

• d) thermoflask

Two commonly used thermometer

The body temperature of a healthy man is

The process of solid converted directly to gas is called

The process of cooling a hot,concentrated soln of a substance to obtain crystals is called

• a) sublimation

• b) condensation

• c) crystallization

• d)purification

Changes that repeat themselves after a definite interval of time are called

______are the basic building blocks of an organism

Which is known as powerhouse of the cell?

Which of the following is not present in plant cell

• a) chloroplast

• b) mitochondria

• c) ribosome

• d) centriole

Which cell organelle controls all the processes and chemical reactions that takes place inside the cell?

• a) mitochondria

• b) nucleus

• c) chloroplast

• d) cell membrane