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Bioenergetics

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Photosynthesis is an exothermic reaction.

a)

True

b)

False

2.

What are the products of photosynthesis?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

water

3.

What is the pigment responsible for absorption of light in photosynthesis?

a)

Chlorophyll

b)

Chloroplasts

c)

Carotenoids

d)

Chromophore

4.

Name the cell layer that is responsible for most photosynthesis in the leaf.

a)

Palisade

b)

Mesophyll

c)

Guard cell

d)

Epidermis

5.

Glucose combines with ammonia to form amino acids.

a)

True

b)

False

6.

Name the molecule used to build cell walls.

a)

Cellulose

b)

Starch

c)

Glycogen

d)

Protein

7.

What part of the plant is involved in gas exchange?

a)

Leaf

b)

Stem

c)

Roots

8.

What class of molecule is found in seeds as an energy store?

a)

Lipids

b)

Protein

c)

Carbohydrate

d)

Mineral ions

9.

Aerobic respiration transfers more energy from glucose than anaerobic respiration.

a)

True

b)

False

10.

Anaerobic respiration releases energy

a)

True

b)

False

11.

Yeast respire anaerobically to produce lactic acid.

a)

True

b)

False

12.

Light intensity is directly proportional to distance.

a)

True

b)

False

13.

Why is glucose not stored in the leaf?

a)

it is soluble

b)

it is sweet

c)

it is reactive

14.

Which type of muscle can tire?

a)

Smooth muscle

b)

Cardiac muscle

c)

Skeletal muscle