Science Quiz!

Which of the following cells is living?

• Wood parenchyma

• Wood Fibres

• Sieve Tubes

• Companion cells

Which of the following is perforated?

• Companion cells

• Phloem Parenchyma

• Wood fibres

• Sieve tubes

STATE TRUE OR FALSE

Conduction in Phloem requires expenditure of energy

• True

• False

In which form of sugar does food gets transported in the plant?

• Maltose

• Glucose

• Sucrose

• Fructose

Which of the following is a major constituent of proteins?

• Phosphorus

• Nitrogen

• Zinc

• Iron

A atom or group of atoms having a resultant charge

• Molecules

• Atoms

• Ions

• Diatomic molecules

Sublimation of Ammonium Chloride: Is it a physical or chemical change?

• Physical change

• Chemical change

• Both

• None

Which is another word for condensation?

• Solidification

• Liquefaction

• Freezing

• Evaporation

Changes which produce useful results-

• Undesirable changes

• Fast Changes

• Irreversible Changes

• Desirable Changes

Which of the following has electronic configuaration- 2, 8. 8

• Potassium

• Argon

• Nitrogen

• Sodium