Quiz: How much do you know about life processes?

Question 1

Frogs and toads get about by jumping from place to place. Their skeletons are adapted to jumping, they have a:

Long, thin spine and small feet

Short, strong spine and big feet

Short, strong spine and small feet

Illustration of toad on white background

Question 2

Birds walk around on their back legs, but they also fly. To do this, their skeletons have adapted so that their 'arms' have turned into:

Feathers

Wings

Their tail

Illustration of parrot on white background

Question 3

Humans grow gradually and steadily, but some animals have to shed their skeletons and grow a new one if they are to get any bigger. These animals include:

Insects, spiders and crabs

Frogs, toads and newts

Parrots, pigeons and doves

Illustration of crab on white background

Question 4

Kangaroos and koalas carry their offspring around in their pouches. When they are born kangaroo offspring are about the size of:

An elephant baby

A human baby

A jelly baby

Illustration of koala on white background

Question 5

Tadpoles have to change a lot before they turn into frogs. These changes include:

Growing lungs, teeth and legs

Growing gills, teeth and legs

Growing lungs, teeth and a tail

illustration of tadpole on white background

Question 6

Humans have three types of teeth - incisors, canines and molars. In total an adult human has:

4 incisors, 2 canines and 10 molarss

6 incisors, 8 canines and 14 molars

8 incisors, 4 canines and 20 molars

Illustration of teeth on white background

Question 7

Humans are omnivores - eating a bit everything. Animals that eat just meat are called carnivores. Carnivore have well developed:

Incisors for gnawing

Canines for ripping and tearing

Molars for grinding and chewing

illustration of tiger's skeleton on white background

Question 8

Cows are herbivores. They have well developed molars for chewing grass. They also have four stomachs - this is because:

They eat too much grass

They need extra grass to turn into milk

It takes time for them to digest the grass

Question 9

People think that respiration means breathing - this is not true. Respiration is a chemical reaction that turns glucose and oxygen into:

Energy, water and carbon dioxide

Energy, water and carbon monoxide

Energy, water and sulphur dioxide

Question 10

Birds do not want to store a lot of water in their bodies - it would make them too heavy to fly. They produce uric acid instead of urine. It is the:

Brown stuff you see in their poo

White stuff you see in their poo

Pink stuff you see in their poo

Illustration of beeeater on white background

Question 11

The platypus has poor eyesight. To find its prey it uses special receptors in its bill. These receptors pick up:

Radio waves

Ultra-violet light

Electrical impulses

Illustration of platypus on white background

Question 12

Snakes also have interesting ways of sensing their environment. Some snakes:

Smell with their skin and 'see' heat

Smell with their tongues and 'see' heat

Smell with their tongues and 'see' ultra-violet light