organisations

Question 1

Name one of the organs in the digestive system where digestion takes place.

Answer 1

stomach or ‘small intestine’

Question 2

Which organ system coordinates the actions of the body?

Answer 2

nervous system

Question 3

The circulatory system, the nervous system and the digestive system are all examples of what?

Answer 3

organ systems

Question 4

Cells form tissues. Tissues form __________. What word completes the sentence?

Answer 4

organs

Question 5

What type of tissue produces enzymes?

Answer 5

glandular

Question 6

What type of tissue produces digestive juices in the stomach?

Answer 6

glandular

Question 7

What type of tissue is found in the stomach and is used to churn its contents?

Answer 7

muscular

Question 8

What is the name given to biological catalysts?

Answer 8

enzymes

Question 9

Enzymes can be affected by acidity and alkalinity. What name is given to the scale that measures acidity and alkalinity?

Answer 9

ph scale

Question 10

What enzyme is produced in the salivary glands?

Answer 10

amylase

Question 11

What is the missing word? Enzymes are described as biological catalysts because they increase the __________ of biochemical reactions inside and outside living cells.

Answer 11

rate/speed

Question 12

What scientific name is given to the temperature or pH at which an enzyme works best?

Answer 12

optimum ph

Question 13

what system is this? liver, stomach, large intestine , small intestine?

Answer 13

digestive system

Question 14

what organ produces bile?

Answer 14

Liver

Question 15

True or false? The small intestine produces enzymes.

Answer 15

True

Question 16

Digestive enzymes break down food into molecules that are small enough to be… what? absorbed into the bloodstream -dissolved in water- evaporated

Answer 16

absorbed into the bloodstream

Question 17

What is the missing word? High temperatures change an enzyme’s __________ and stop it working.

Answer 17

structure/shape

Question 18

When a protein molecule permanently changes its shape on being heated, this is known as __________. What word completes the sentence?

Answer 18

denatured

Question 19

True or false? Enzymes are made of proteins.

Answer 19

True

Question 20

Which of the following processes does not require enzymes? - osmosis - replicating DNA - digestion

Answer 20

osmosis

Question 21

True or false? Enzymes are described as biological catalysts because although they take part in biochemical reactions they are not used up in the process.

Answer 21

True

Question 22

What is the missing word? If an enzyme is heated to a temperature of 50°C it stops working permanently. The enzyme is said to have become __________ .

Answer 22

Denatured

Question 23

What word goes in blank A?
Enzyme reaction
protease A—-> amino acids

Answer 23

proteins

Question 24

The products of digestion are used to build new carbohydrates, lipids, and what else?

Answer 24

Proteins

Question 25

What cells in the blood help defend against infection?

Answer 25

White blood cells

Question 26

Name the structures that increase the surface area of the lungs in humans.

Answer 26

"alveoli" or "alveolus"

Question 27

How many chambers does the heart have?

Answer 27

4

Question 28

Which type of blood vessel is the smallest?

Answer 28

capillary or capillaries

Question 29

The sinoatrial node is a group of cells in the right atrium of the heart. It acts as a natural pacemaker, which means that it controls the __________ __________. What two words complete the sentence?

Answer 29

Heart rate or heart beat

Question 30

where would you find the bronchi

Answer 30

lungs

Question 31

where would you find the bronchi

Answer 31

lungs

Question 32

After exposure to ionising radiation, cells can divide uncontrollably. This is known as what?

Answer 32

cancer

Question 33

What drugs can be used to lower blood cholesterol levels?

Answer 33

statins

Question 34

Health is the state of physical and __________ well-being. What is the missing word in this sentence?

Answer 34

mental

Question 35

Which plant organ absorbs the most light for photosynthesis?

Answer 35

leaf

Question 36

True or false? The epidermis of leaves of plants absorbs water for photosynthesis.

Answer 36

false

Question 37

Which type of tissue is found covering the organs of plants?

Answer 37

epidermis

Question 38

Name the type of plant tissue in which most photosynthesis takes place.

Answer 38

mesophyll

Question 39

Which tissue transports water around a plant?

Answer 39

xylem

Question 40

Which tissue transports water around a plant?

Answer 40

xylem phloem

Question 41

Name the gas that plants need to take in from the air for photosynthesis. Give the full name, not the symbol.

Answer 41

carbon dioxide

Question 42

Most of the gaseous exchange that occurs in a plant happens in what organ?

Answer 42

leaf

Question 43

Most of the water vapour lost from a plant is lost from the... what?

Answer 43

leaf

Question 44

What name is given to the pores in the surface of a leaf that allow gases in and out?

Answer 44

stomata

Question 45

Name the type of cells that give roots a greater surface area for absorption.

Answer 45

root hair cells

Question 46

The movement of water from the roots, through the plant and out of the leaves is known as the... what?

Answer 46

transpiration

Question 47

What plant tissue located at the tips of roots and shoots will differentiate into different plant cells?

Answer 47

meristem

Question 48

Which of these is an example of a plant organ?- stem- epidermis-mesophyll

Answer 48

stem

Question 49

name a plant tissue

Answer 49

xylem

Question 50

If a plant is losing water faster than it can be replaced by its roots, its stomata will __________. What one word completes the sentence?

Answer 50

close

Question 51

Where do plants on land get their ions from?

Answer 51

soil