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Renewable energy sources

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which is an organic matter produced by plants in direct or indirect forms?

a)

a) Solar energy

b)

b) Biomass

c)

c) Wind energy

d)

d) Bio-fuel

2.

What type of energy is biomass energy?

a)

a) Conventional energy

b)

b) Non renewable

c)

c) Commercial energy

d)

d) Sustainable energy

3.

The use of biomass energy has the potential to greatly reduce greenhouse gas emissions.

a)

a) True

b)

b) False

4.

__________ is made by combining alcohol with vegetable oil, animal fat or recycled cooking grease.

a)

a) Biodiesel

b)

b) Biomass

c)

c) Bioelectricity

d)

d) Syngas

5.

What type of fire system is used in Bio power?

a)

a) Hand firing

b)

b) Mechanical stoke firing

c)

c) Direct firing

d)

d) Indirect firing

6.

What is Ethanol called?

a)

a) Phenol

b)

b) Alcohol

c)

c) Amino acid

d)

d) Butanol

7.

What is BTU used to measure?

a)

a) Heat content

b)

b) Area

c)

c) Density

d)

d) Volume

8.

What is used to decompose organic matter in absence of oxygen in closed reactors?

a)

a) Slugs

b)

b) Fungi

c)

c) Natural consortia

d)

d) Methane

9.

The process by which plants, some bacteria and some protistans use the energy from sunlight to produce sugar?

a)

a) Taxonomy

b)

b) Metabolism

c)

c) Photosynthesis

d)

d) Osmosis

10.

What is used in conversion of sunlight energy into usable chemical energy in plants?

a)

a) Anthocyanin

b)

b) Cythochrome

c)

c) Chlorophyll

d)

d) Chitin

11.

Photosynthesis is carried in how many stages?

a)

a) 1

b)

b) 2

c)

c) 3

d)

d) 4

12.

What does NADPH?

a)

a) Nicotinamide adenosine deca-nucleotide phosphate

b)

b) Nicotinamide adenine dinucleotide phosphate

c)

c) Nicotinamide adenine deca-nucleotide phosphate

d)

d) Nicotinamide adenosine dinucleo phosphor

13.

Which cycle is preferred for production of carbohydrates?

a)

a) Nutrient cycle

b)

c) Calvin – Benson Cycle

c)

d) Sonnet cycle

d)

b) Bio geo chemical cycle

14.

Choose the general formula of carbohydrates?

a)

a) [C2H2O2]n

b)

b) [CHO]n

c)

c) [CH2O]n

d)

d) [C2O2]n

15.

“During the day, the air above the land heats up more quickly than the air over water”.

a)

a) True

b)

b) False