Fruits, Vegetables, Cereals And Eggs

Question 1

What is the origin of fruit?

Answer 1

Most grew wild but around 11,000 years ago people began to farm them. Fruit is now grown and traded globally.

Question 2

Why causes apples to be green?

Answer 2

The green of apples is due to chlorophyll.

Question 3

What causes the yellowness of apricots and lemons?

Answer 3

The yellow of apricots and lemons is because of carotenoids.

Question 4

What causes the red and blue of grapes?

Answer 4

The red and blue colour of grapes is due to anthocyanins.

Question 5

Which acid causes apples, pears, peaches and apricots to have a tangy flavour?

Answer 5

Malic acid causes them to have a tangy flavour.

Question 6

What acid causes the tanginess in oranges, grapefruit, lemons and limes?

Answer 6

Citric acid is responsible for the sour flavour of these fruits.

Question 7

What causes the tangy flavour in grapes?

Answer 7

Tartaric acid causes the tanginess in grapes.

Question 8

What acid causes the tangy flavour of pineapples?

Answer 8

Oxalic acid.

Question 9

What are the main nutrients in fruit?

Answer 9

• Carbohydrates (contains sucrose, Glucose and Frucose. Starch is also present.)
• Fibre (found in cell walls of fruit)
• Vitamins (Vit A, Vit C)
• Water (high water content)

Question 10

What causes the sweetness in fruit?

Answer 10

Fructose.

Question 11

What is fructose?

Answer 11

Fructose is a monosaccharide which is a simple sugar.

Question 12

What is the form of starch in fruit?

Answer 12

The starch in fruit is in the form of pectin.

Question 13

What is pectin?

Answer 13

Pectin is a complex polysaccharide found in the cell walls of many fruits.

Question 14

How does pectin make jam set?

Answer 14

Pectin forms a gel with sugar in acid conditions and this is what makes the jam set.

Question 15

What fruits are a part of the melon family?

Answer 15

Watermelon, cantaloupe and honey dew.

Question 16

What family is the melon family apart of and where does it grow?

Answer 16

The squash family and they grow on vines.

Question 17

What is the typical appearance of melons?

Answer 17

Hard outer rind or skin and juicy flesh.

Question 18

What fruit are members of the citrus family?

Answer 18

Oranges, grapefruit, lemon and mandarin.

Question 19

What are inside citrus fruits?

Answer 19

They have segments or carpels which contain juice filled sacs. The sacs are surrounded by the segment membrane.

Question 20

What fruits are a part of the berry family?

Answer 20

Strawberry, raspberry, blueberry, blackberry.

Question 21

What is the appearance of berries?

Answer 21

They are single fruits formed from plant ovaries and they have clusters of small fruit, each with tiny segments filled with juice and seed.

Question 22

What is the appearance of a pome fruit?

Answer 22

Pome have a compartmented core that contains the seed. The core is surrounded by juicy flesh and there is an indentation in the core end of the fruit.

Question 23

What fruits are in the drupes/stone fruit family?

Answer 23

Apricots, plum, peaches, nectarines and cherries.

Question 24

What is inside a stone/drupe fruit?

Answer 24

Stone fruit are juicy and have soft flesh. The flesh surrounds a hard stone that contains a seed.

Question 25

What fruits are in the tropical family?

Answer 25

Bananas, pineapples and mangoes.

Question 26

How do tropical fruit grow?

Answer 26

Tropical fruit grow in a variety of different ways that all require a moist and tropical environment to grow in.

Question 27

What fruits are part of the vine family?

Answer 27

Grapes, kiwi fruit and passion fruit.

Question 28

How do vine fruits grow?

Answer 28

These fruits grow in a vine and grow either in bunches or as a single fruit.

Question 29

What climate do temperate fruits need to grow in?

Answer 29

A cold season.

Question 30

What climates do subtropical fruits grow in?

Answer 30

These fruits require warm conditions but can survive light frosts.

Question 31

What climate do tropical fruits grow in?

Answer 31

These fruits cannot tolerate temperatures that drop close to freezing point.

Question 32

What if the definition of fruit?

Answer 32

Fruit is the matured ovaries of flowers; or the edible pulp and fleshy layer around a seed.