Question 1

What is the role of fibre?

Accepted Answer

Helps the body eliminate waste

Answer

Growth and repair

Answer

Main source of energy for the body.

Question 2

What does a balanced diet contain?

Accepted Answer

Different nutrients in the right amount to keep us healthy.

Answer

Growth and repair

Answer

The main source of energy for the body.

Answer

Provide energy and insulate our bodies from the cold

Question 3

What is the role of carbohydrates?

Accepted Answer

The main source of energy for the body.

Answer

Provide energy and insulate our bodies from the cold

Answer

Helps the body eliminate waste

Answer

Growth and repair

Question 4

What is the role of fats?

Accepted Answer

Provide energy and insulate our bodies from the cold

Answer

Main source of energy for the body.

Answer

Helps the body eliminate waste

Answer

Growth and repair

Question 5

What is the role of proteins?

Accepted Answer

Growth and repair

Answer

Helps the body eliminate waste

Answer

Main source of energy for the body.

Question 6

Which is a source of fibre?

Accepted Answer

Vegetables and bran

Answer

Fruits, vegetables and dairy foods

Answer

Salt, milk and liver

Question 7

Which is a source of carbohydrates?

Accepted Answer

cereals, bread, pasta, rice and potatoes

Answer

Butter, oil and nuts

Answer

Fish, meat, eggs, beans and dairy products

Answer

Fruits, vegetables and dairy foods

Question 8

Which is a source of protein?

Accepted Answer

Fish, meat, eggs, beans and dairy products

Answer

Salt, milk and liver

Answer

Butter, oil and nuts

Answer

Fruits, vegetables and dairy foods

Question 9

Which is a source of fat?

Accepted Answer

Butter, oil and nuts

Answer

Vegetables and bran

Answer

Fruits, vegetables and dairy foods

Answer

Salt, milk and liver

Question 10

Which is a source of fibre?

Accepted Answer

Vegetables and bran

Answer

Salt, milk and liver

Answer

Fruits, vegetables and dairy foods

Question 11

Which is a source of minerals?

Accepted Answer

Salt, milk and liver

Answer

Fruits, vegetables and dairy foods

Answer

Vegetables and bran

Question 12

Which is the disease you get if you have a lack of  calcium?

Accepted Answer

Osteoporosis

Answer

Anaemia

Answer

Rickets

Question 13

Which is the disease you get if you have a lack of vitamin D?

Accepted Answer

Rickets

Answer

Osteoporosis

Answer

Anaemia

Question 14

Which is the disease you get if you have a lack of  iron?

Accepted Answer

Anaemia

Answer

Osteoporosis

Answer

Rickets

Question 15

What happens when there is a lack of a particular nutrient in your diet?

Accepted Answer

A deficiency disease

Answer

A disorder

Question 16

What is our energy intake measured in?

Accepted Answer

calories

Answer

Age, gender and lifestyle

Answer

Growth, development and functioning of our body processes

Question 17

What is energy needed for?

Accepted Answer

Growth, development and functioning of our body processes

Answer

calories

Answer

Age, gender and lifestyle

Question 18

What are the factors that affect how much energy we need?

Accepted Answer

Age, gender and lifestyle

Answer

calories

Answer

Growth, development and functioning of our body processes

Question 19

What are the organs in the digestive system?

Accepted Answer

Stomach, small intestine and large intestine

Answer

A group of cells of one type working together.

Answer

A group of different tissues, working together to carry out a specific function.

Question 20

What is a tissue?

Accepted Answer

A group of cells of one type working together.

Answer

A group of different tissues, working together to carry out a specific function.

Answer

Stomach, small intestine and large intestine

Question 21

What is an organ?

Accepted Answer

A group of different tissues, working together to carry out a specific function.

Answer

Stomach, small intestine and large intestine

Answer

A group of cells of one type working together.

Question 22

What is digestion?

Accepted Answer

The break down of large insoluble molecules into smaller soluble molecules

Answer

Water is absorbed before waste is removed

Answer

Nutrients are absorbed into the bloodstream

Question 23

What happens in the small intestine?

Accepted Answer

Nutrients are absorbed into the bloodstream

Answer

Water is absorbed before waste is removed

Answer

The break down of large insoluble molecules into smaller soluble molecules

Question 24

What happens in the large intestine?

Accepted Answer

Water is absorbed before waste is removed

Answer

The break down of large insoluble molecules into smaller soluble molecules

Answer

Nutrients are absorbed into the bloodstream

Question 25

What is mechanical digestion?

Accepted Answer

Enzymes breaking food down into smaller molecules

Answer

Food broken down physically

Question 26

What is chemical digestion?

Accepted Answer

Food broken down physically

Answer

Enzymes breaking food down into smaller molecules

Question 27

What is the role of villi in the digestive system?

Accepted Answer

increase the surface area, thin walls, lots of capillaries

Answer

To speed up the breakdown of food molecules

Question 28

What is the role of enzymes in the digestive system?

Accepted Answer

To speed up the breakdown of food molecules

Answer

increase the surface area, thin walls, lots of capillaries

Question 29

What are enzymes?

Accepted Answer

Biological catalysts which speed up the rate of reaction

Answer

Biological catalysts which  slow down  the rate of reaction

Question 30

What enzyme breaks down fat?

Accepted Answer

Lipase

Answer

Protease

Answer

Amylase

Question 31

What enzyme breaks down starch in carbohydrates?

Accepted Answer

Amylase

Answer

Lipase

Answer

Protease

Question 32

What enzyme breaks down protein?

Accepted Answer

Protease

Answer

Lipase

Answer

Amylase

Question 33

What is the process of photosynthesis?

Accepted Answer

the process of using sunlight to make food

Answer

the process of using sunlight to make water

Question 34

what is the equation for photosynthesis?

Accepted Answer

carbon dioxide + water --> glucose + oxygen

Answer

glucose + oxygen --> carbon dioxide + water

Question 35

where does photosynthesis happen?

Accepted Answer

chloroplasts

Answer

mitochondria

Question 36

What affects the rate of photosynthesis?

Accepted Answer

Temperature, amounts of carbon dioxide and water, light intensity (how much light is reaching the leaf) and amount of chloroplasts in the plant

Answer

Temperature, amounts of carbon dioxide and water, light intensity (how much light is reaching the leaf) and amount of mitochondria in the plant

Question 37

what process are the leaves of plants adapted for?

Accepted Answer

photosynthesis

Answer

respiration

Question 38

what is the function of the waxy cuticle?

Accepted Answer

thin layer of wax which protects the leaf and prevents water from evaporating out of it

Answer

to allow gases to diffuse in and out of the leaf

Question 39

why do leaves have a large surface area?

Accepted Answer

so that more light can be absorbed and gases can pass into the leaf in more places

Answer

so that gases can diffuse shorter distances

Answer

tiny holes on the bottom of the leaf

Answer

to allow gases to diffuse in and out of the leaf

Question 40

why are leaves thin?

Accepted Answer

so that gases can diffuse shorter distances

Answer

tiny holes on the bottom of the leaf

Answer

to transport water, minerals and glucose

Answer

to allow gases to diffuse in and out of the leaf

Question 41

why do leaves have a network of veins running through them?

Accepted Answer

to transport water, minerals and glucose

Answer

to allow gases to diffuse in and out of the leaf

Answer

tiny holes on the bottom of the leaf

Answer

thin layer of wax which protects the leaf and prevents water from evaporating out of it

Question 42

what are the stomata?

Accepted Answer

tiny holes on the bottom of the leaf

Answer

to allow gases to diffuse in and out of the leaf

Answer

thin layer of wax which protects the leaf and prevents water from evaporating out of it

Question 43

why are the stomata important?

Accepted Answer

to allow gases to diffuse in and out of the leaf

Answer

thin layer of wax which protects the leaf and prevents water from evaporating out of it

Question 44

what is osmosis?

Accepted Answer

the movement of water particles from a DILUTE solution to a CONCENTRATED solution through a PARTIALLY PERMEABLE membrane

Answer

the movement of water particles from a CONCENTRATED solution to a DILUTE solution through a PARTIALLY PERMEABLE membrane

Question 45

what do plants absorb through their roots?

Accepted Answer

water and minerals

Answer

water and sugars

Question 46

what can pass through a partially permeable membrane?

Accepted Answer

small molecules

Answer

large molecules

Question 47

state why plants need water

Accepted Answer

for chemical reactions including photosynthesis

Answer

large surface area, very thin cell walls to make absorption more efficient, no chloroplasts because they do not photosynthesise

Question 48

what are the three adaptations of root hair cells?

Accepted Answer

large surface area, very thin cell walls to make absorption more efficient, no chloroplasts because they do not photosynthesise

Answer

for chemical reactions including photosynthesis

Question 49

what is translocation?

Accepted Answer

the movement of food molecules such as sugars and amino acids through phloem

Answer

the movement of water from the roots to the leaves with excess water evaporating out through the leaves

Question 50

what is transpiration?

Accepted Answer

the movement of water from the roots to the leaves with excess water evaporating out through the leaves

Answer

the movement of food molecules such as sugars and amino acids through phloem

Question 51

how are phloem cells adapted?

Accepted Answer

tubes of elongated cells, hollow to increase space, holes like a sieve that let glucose molecules through but not larger ones, companion cells to keep the phloem cells alive

Answer

hollow tubes of dead cells, strong to withstand high pressure

Question 52

how are xylem adapted?

Accepted Answer

hollow tubes of dead cells, strong to withstand high pressure

Answer

tubes of elongated cells, hollow to increase space, holes like a sieve that let glucose molecules through but not larger ones, companion cells to keep the phloem cells alive

Question 53

what solution do we use to test for starch?

Accepted Answer

iodine solution

Answer

starch

Question 54

what is glucose converted into in plants as an energy store?

Accepted Answer

starch

Answer

iodine solution

Question 55

what colour is iodine if starch is present?

Accepted Answer

blue black

Answer

orange brown

Question 56

what colour is iodine if starch is not present?

Accepted Answer

orange brown

Answer

blue black

Question 57

chloroplast

Accepted Answer

contains chlorophyll where photosynthesis happens

Answer

stores cell sap, sugars and salts

Answer

controls what goes in and out of the cell

Question 58

nucleus

Accepted Answer

stores DNA in nucleus and controls activities of the cell

Answer

controls what goes in and out

Answer

respiration happens here - energy is released

Answer

proteins are made here

Question 59

mitochondria

Accepted Answer

respiration happens here - energy is released

Answer

proteins are made here

Answer

controls what goes in and out of the cell

Answer

where chemical reactions happen

Question 60

cytoplasm

Accepted Answer

where chemical reactions happen

Answer

controls what goes in and out of the cell

Answer

proteins are made here

Question 61

ribosomes

Accepted Answer

proteins are made here

Answer

controls what goes in and out of the cell

Answer

stores cell sap, sugars and salts

Answer

provides strength and support to the cell

Question 62

cell wall

Accepted Answer

provides strength and support to the cell

Answer

contains chlorophyll where photosynthesis happens

Answer

stores cell sap, sugars and salts

Answer

controls what goes in and out of the cell

Question 63

which organelles only are found in plant cells?

Accepted Answer

vacuole, cell wall and choroplast

Answer

vacuole, cell membrane and chloroplast

Question 64

organism

Accepted Answer

scientific name for living things

Answer

scientific name for dead things

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