FOOD week 6-1 Biochemistry and Physiology of Fruits and Vegetables

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Which country supplies most of the domestic demand for fruits and vegetables in Australia?

New Zealand

United States

Australia (correct)

China

What is the goal of the AUSVEG HIA strategy paper 2017?

To increase fruit and vegetable exports by 40% by 2020 (correct)

To develop a sustainable horticulture industry in Australia

To improve the quality of fruits and vegetables in Australia

To address the factors affecting the quality of fruits and vegetables

Which of the following is NOT a factor affecting the quality of fruits and vegetables?

Postharvest storage temperature

Consumer demand (correct)

Transportation packaging

Preharvest genetic factors

What is the Horticulture Sustainability Goal in relation to Australian-grown horticultural produce?

To improve the quality of Australian-grown horticultural produce Signup and view all the answers

What is the main purpose of understanding the processes affecting the quality and shelf life of fruits and vegetables?

To manage and maintain the quality of fruits and vegetables Signup and view all the answers

Which type of metabolic reactions require energy input from reduced nucleotides such as ATP and NADPH?

Anabolic reactions Signup and view all the answers

What type of reactions release energy as kinetic energy?

Catabolic reactions Signup and view all the answers

Which process traps energy into potential energy bound up in reduced sugars?

Photosynthesis Signup and view all the answers

Which component of fruits and vegetables has a key role in texture and viscosity of products?

Pectin Signup and view all the answers

What happens to pectin during ripening and softening processes?

It breaks down into long chains Signup and view all the answers

Which polysaccharide forms the framework of microfibrils in cell walls?

Cellulose Signup and view all the answers

What proportion of the polysaccharides in fruits and vegetables is cellulose?

1/3 Signup and view all the answers

Which of the following is NOT a factor affecting the quality of fruits and vegetables?

Type of soil Signup and view all the answers

What is the Horticulture Sustainability Goal in relation to Australian-grown horticultural produce?

To reduce post-harvest losses Signup and view all the answers

Which component is the major contributor to flavor in fruits and vegetables?

Sucrose Signup and view all the answers

Which part of the plant stores starch in large quantities?

Bulbs Signup and view all the answers

What does TSS stand for in the context of fruit maturity testing?

Total Sugar Solids Signup and view all the answers

What is the main transport sugar around the plant?

Sucrose Signup and view all the answers

What percentage of soluble solids in many fruits is water soluble?

More than 40% Signup and view all the answers

Which of the following substrates can be degraded to release CO2, H2O, ATP, and heat through respiration?

Sugars Signup and view all the answers

In the absence of oxygen, which of the following substances can be produced during respiration?

Ethanol Signup and view all the answers

Which type of tissue has the highest respiration rate?

Flower bud Signup and view all the answers

Which of the following is considered a developing organ with a high respiration rate?

Immature fruit Signup and view all the answers

Which type of tissue has the lowest respiration rate?

Storage organ Signup and view all the answers

Which of the following is true about the respiration rate of perishable produce at different temperatures?

Respiration rate increases as temperature rises Signup and view all the answers

What effect does low oxygen have on the respiration rate of perishable produce?

Low oxygen decreases respiration rate Signup and view all the answers

What effect does high carbon dioxide have on the respiration rate of perishable produce?

High carbon dioxide decreases respiration rate Signup and view all the answers

What is the purpose of controlled atmosphere (CA) storage for perishable produce?

To decrease respiration rate Signup and view all the answers

What effect does mechanical damage have on the respiration rate of perishable produce?

Mechanical damage increases respiration rate Signup and view all the answers

Which hormone is responsible for the characteristic rise in respiration rate during fruit ripening?

Ethylene Signup and view all the answers

What is the term used to describe the increase in respiration rate and CO2 production during fruit ripening?

Climacteric Signup and view all the answers

How are fruits classified based on their response to ethylene?

Climacteric or non-climacteric Signup and view all the answers

Which of the following fruits is classified as climacteric?

Kiwi Signup and view all the answers

Which of the following fruits is classified as non-climacteric?

Grape Signup and view all the answers

Which of the following fruits is classified as both climacteric and non-climacteric?

Avocado Signup and view all the answers

Which of the following changes occur during the ripening process of fruits?

Increase in color Signup and view all the answers

What is the main factor that determines the shelf-life and storability of harvested fruits?

Respiration rate Signup and view all the answers

Which of the following factors affects the respiration rate of harvested fruits?

All of the above Signup and view all the answers

What is the relationship between the respiration rate of a harvested product and its deterioration?

Higher respiration rate leads to faster deterioration Signup and view all the answers

What is the main purpose of reducing the respiration rate of harvested fruits?

To extend their shelf-life Signup and view all the answers

FOOD week 6-1 Biochemistry and Physiology of Fruits and Vegetables

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Questions and Answers

Which country supplies most of the domestic demand for fruits and vegetables in Australia?

What is the goal of the AUSVEG HIA strategy paper 2017?

Which of the following is NOT a factor affecting the quality of fruits and vegetables?

What is the Horticulture Sustainability Goal in relation to Australian-grown horticultural produce?

What is the main purpose of understanding the processes affecting the quality and shelf life of fruits and vegetables?

Which type of metabolic reactions require energy input from reduced nucleotides such as ATP and NADPH?

What type of reactions release energy as kinetic energy?

Which process traps energy into potential energy bound up in reduced sugars?

Which component of fruits and vegetables has a key role in texture and viscosity of products?

What happens to pectin during ripening and softening processes?

Which polysaccharide forms the framework of microfibrils in cell walls?

What proportion of the polysaccharides in fruits and vegetables is cellulose?

Which of the following is NOT a factor affecting the quality of fruits and vegetables?

What is the Horticulture Sustainability Goal in relation to Australian-grown horticultural produce?

Which component is the major contributor to flavor in fruits and vegetables?

Which part of the plant stores starch in large quantities?

What does TSS stand for in the context of fruit maturity testing?

What is the main transport sugar around the plant?

What percentage of soluble solids in many fruits is water soluble?

Which of the following substrates can be degraded to release CO2, H2O, ATP, and heat through respiration?

In the absence of oxygen, which of the following substances can be produced during respiration?

Which type of tissue has the highest respiration rate?

Which of the following is considered a developing organ with a high respiration rate?

Which type of tissue has the lowest respiration rate?

Which of the following is true about the respiration rate of perishable produce at different temperatures?

What effect does low oxygen have on the respiration rate of perishable produce?

What effect does high carbon dioxide have on the respiration rate of perishable produce?

What is the purpose of controlled atmosphere (CA) storage for perishable produce?

What effect does mechanical damage have on the respiration rate of perishable produce?

Which hormone is responsible for the characteristic rise in respiration rate during fruit ripening?

What is the term used to describe the increase in respiration rate and CO2 production during fruit ripening?

How are fruits classified based on their response to ethylene?

Which of the following fruits is classified as climacteric?

Which of the following fruits is classified as non-climacteric?

Which of the following fruits is classified as both climacteric and non-climacteric?

Which of the following changes occur during the ripening process of fruits?

What is the main factor that determines the shelf-life and storability of harvested fruits?

Which of the following factors affects the respiration rate of harvested fruits?

What is the relationship between the respiration rate of a harvested product and its deterioration?

What is the main purpose of reducing the respiration rate of harvested fruits?

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