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Environmental factor influencing post harvest quality

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following is environmental factor that affecting post harvest quality?

a)

Respiration

b)

Transpiration

c)

Temperature

d)

Pathological breakdown

2.

The temperature that can cause freezing injury is ____.

a)

-3 °C

b)

0 °C

c)

7 °C

d)

15 °C

3.

Which temperature can cause chilling injury?

a)

-2 °C

b)

5 °C

c)

16 °C

d)

30 °C

4.
a)

oxygen

b)

water vapour

c)

carbon dioxide

d)

temperature

5.

How to control relative humidity?

a)

Put commodity in vacuum container.

b)

Place the commodity in direct sunlight.

c)

Sprinkling with water.

d)

Increase oxygen level.

6.

The best handling to delay the deterioration rate of fruits.

a)

Expose the fruits to a high level of ethylene.

b)

Store fruits at a temperature of 13 °C.

c)

Harvesting during hot day.

d)

Combine the fruits had infection with others fruits had a good quality.

7.

What the best factors are controlled in the image of the diagram?

a)

Light

b)

Relative humidity

c)

Temperature

d)

Atmosphere composition.

8.

Solanine is a natural defense that works to control _____.

a)

pest

b)

diesiese

c)

oxygen

d)

humidity

9.

Choose fruit that is categorized as non chilling sensitive?

a)

Pineapple

b)

Grape

c)

Banana

d)

Durian

10.

Choose vegetable that is categorized as chilling sensitive.

a)

Corn

b)

Turnip

c)

Onion

d)

Cucumber