Biology sem 1 final 2023 review P1

Front

What is the smallest unit of life in a living thing?

Back

Cell

Front

Which organelle is responsible for photosynthesis?

Back

Chloroplast

Front

What is the correct order for operating a fire extinguisher?

Back

Pull the pin, aim the nozzle, squeeze the trigger, sweep at the base of the fire.

Front

What term describes organisms that cannot produce their own food?

Back

Heterotrophs

Front

What is the order of processes in cellular respiration when oxygen is present?

Back

Glycolysis, Krebs Cycle, Electron Transport Chain.

Front

Define autotrophs.

Back

Organisms that can produce their own food through photosynthesis or chemosynthesis.

Front

What is the function of mitochondria?

Back

Mitochondria are the powerhouse of the cell, responsible for producing ATP through cellular respiration.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, primarily from the sun, to convert carbon dioxide and water into glucose and oxygen.

Front

Explain the difference between aerobic and anaerobic respiration.

Back

Aerobic respiration requires oxygen and produces more ATP, while anaerobic respiration occurs without oxygen and produces less ATP.

Front

What is the significance of the Krebs Cycle?

Back

The Krebs Cycle is a key metabolic pathway that generates energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.