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Photosynthesis and Respiration

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

"Carnivores that eat herbivores" best describes.......

a)

Secondary consumer

b)

Decomposer

c)

Primary consumer

d)

Tertiary comsumer

2.

Detritus is defined as

a)

Decomposers

b)

Non-living organic material

c)

An autotroph

d)

Consumers eating plants

3.

The products of photosynthesis are

a)

Oxygen and water

b)

Carbon dioxide and water

c)

Carbohydrate and oxygen

d)

Carbon dioxide and sugar

4.

The two stages of photosynthesis are:

a)

Light reactions and Krebs cycle

b)

Dark reactions and Calvin Cycle

c)

Dark reactions and Krebs cycle

d)

Light reactions and Calvin Cycle

5.

Interior fluid inside the chloroplast is known as

a)

Thylakoid

b)

Stroma

c)

Granum

d)

Mesophyll

6.

Energy can be transferred or transformed but neither created nor destroyed.

a)

First law of thermodynamics

b)

Second law of thermodynamics

7.

Below are types of ecological pyramids except

a)

Pyramid of numbers

b)

Pyramid of consumers

c)

Pyramid of biomass

d)

Pyramid of energy

8.

________ occurs in the inner membrane (cristae) of mitochondrion.

a)

Krebs Cycle

b)

Electron Transport Chain

c)

Glycolysis

d)

Calvin Cycle

9.

The generation of biomass of heterotrophic (consumer) organisms in a system.

a)

Secondary production

b)

Primary production

10.

What are the products of Calvin Cycle?

a)

G3P, ATP, NADH

b)

G3P, ADP, NADP+

c)

NADPH, ATP, O2

d)

NADPH, ADP, O2

11.

Select the correct products of light reaction.

a)

NADH, ADP, O2

b)

NADPH, ATP, CO2

c)

NADPH, ATP, O2

d)

NADH, ADP, H2O

12.

Which from below is NOT a component in photosystem?

a)

Primary electron acceptor

b)

Reaction center complex

c)

Light harvesting complex

d)

Secondary electron acceptor

13.

Choose the correct reactants for pyruvate oxidation.

a)

2 pyruvate, 2 ATP, Coenzyme A

b)

2 pyruvate, NAD+, Coenzyme A

c)

2 pyruvate, 2 NADH, O2

d)

2 pyruvate, 2 Acetyl CoA, 2 NADH

14.

Select the correct sequence of enzymes in the Citric Acid Cycle.

a)

Oxaloacetate, Citrate, Isocitrate, α-ketoglutarate, Succinyl CoA, Succinate, Fumarate, Malate

b)

Oxaloacetate, Isocitrate, Citrate, α-ketoglutarate, Succinyl CoA, Succinate, Fumarate, Malate

c)

Oxaloacetate, Citrate, Isocitrate, Succinyl CoA, α-ketoglutarate, Succinate, Fumarate, Malate

d)

Oxaloacetate, Citrate, Isocitrate, α-ketoglutarate, Succinyl CoA, Fumarate, Succinate, Malate

15.

What are the total net products for Krebs cycle?

a)

2 ATP, 4 NADH, 4 FADH2, 4 CO2

b)

4 ATP, 8 NADH, 2 FADH2, 4 CO2

c)

2 ATP, 6 NADH, 4 FADH2, 2 CO2

d)

2 ATP, 6 NADH, 2 FADH2, 4 CO2