Biology paper1-Bioenergetics

Question 1

What is meant by aerobic respiration?

Answer 1

This is respiration that requires the presence of oxygen

Question 2

What is meant by anaerobic respiration?

Answer 2

This is respiration that does not require the presence of oxygen

Question 3

How is ethanol produced and what is it?

Answer 3

Ethanol is alchol and is a product of anaerobic respiration in plant cells or yeast cells.

Question 4

What is the process fermentation?

Answer 4

It is anaerobic respiration in yeast cells and plant cells producing carbon dioxide.

Question 5

Define metabolism

Answer 5

The sum of all chemical reactions in a cell or the body.

Question 6

What is the word equation for removing lactic acid?

Answer 6

Lactic acid+oxygen(to)Carbon Dioxide+water.

Question 7

What is the word equation for anaerobic respiration in animal cells?

Answer 7

Gluscose(to)lactic acid

Question 8

What is the word equation for anaerobic respiration in plant and bacterial cells?

Answer 8

Glucose(to) Ethanol+Carbon dioxide

Question 9

What is the word equation for aerobic respiration?

Answer 9

Glucose+oxygen(to) Carbon Dioxide+water.

Question 10

What is the word equation for photosynthesis?

Answer 10

Carbon dioxide+water(to) Glucose+oxygen.

Question 11

What are the 4 factors that affect the rate of photosynthesis?

Answer 11

1.Temperature
2.light intensity
3.Amount of chlorophyll
4.Carbon Dioxide concentration