Introduction to Life Process

The video tutorial explains the basic life processes of living organisms, including movement, response to stimuli, reproduction, nutrition, respiration, metabolism, and excretion. It distinguishes between unicellular and multicellular organisms, highlighting their structural and functional differences. The tutorial delves into the primary life processes: nutrition, respiration, circulation, and excretion, explaining how energy is derived and utilized. It also covers the transportation of substances within organisms and the excretion of metabolic wastes, emphasizing the roles of specialized cells and organs.

Which of the following is NOT a basic characteristic of living organisms?

• Ability to move

• Response to stimuli

• Production of seeds

• Inability to grow

What is a key difference between unicellular and multicellular organisms?

• Unicellular organisms perform life processes with a single cell

• Multicellular organisms rely solely on diffusion

• Multicellular organisms do not have specialized organs

• Unicellular organisms have multiple cells

Which process is responsible for converting food into energy in living organisms?

• Transportation

• Excretion

• Respiration

• Photosynthesis

How do green plants obtain their nutrition?

• By absorbing nutrients from soil

• Through photosynthesis

• By consuming other plants

• By eating insects

What is the primary medium of transport in animals?

• Xylem

• Stomata

• Phloem

• Blood and lymph

Which of the following is NOT an excretory product in animals?

• Carbon dioxide

• Nitrogenous compounds

• Water

• Latex

How do plants primarily excrete water and gases?

• By leaves falling

• Through roots

• Via stomata

• Through flowers