Animals and Humans: Interactive Learning Quizzes for Year 6 Science

Question 1

Butterflies go through a process called metamorphosis, which involves four main stages. What are these stages in order?

Accepted Answer

Egg, caterpillar, chrysalis, butterfly

Answer

Caterpillar, egg, chrysalis, butterfly

Answer

Butterfly, egg, caterpillar, chrysalis

Answer

Chrysalis, caterpillar, butterfly, egg

Question 2

Imagine you take a bite of bread. Describe the path it takes through your body before it enters your bloodstream.

Accepted Answer

Mouth, esophagus, stomach, small intestine

Answer

Mouth, stomach, esophagus, small intestine

Answer

Mouth, small intestine, stomach, esophagus

Answer

Esophagus, mouth, stomach, small intestine

Question 3

How do the muscular and skeletal systems work together to help us move? Give examples to explain your answer.

Accepted Answer

The muscular system contracts to pull on bones, causing movement at joints. For example, when the biceps contract, the arm bends at the elbow.

Answer

The skeletal system provides support for the body and protects the organs inside.

Answer

The skeletal system stores minerals and produces blood cells.

Answer

The muscular and skeletal systems do not work together to help us move.

Question 4

What is the main function of the nervous system in the human body?

Accepted Answer

To control body movements and responses

Answer

To carry oxygen and nutrients to cells

Answer

To digest food and provide energy

Question 5

Which of the following correctly lists the stages of human reproduction in order, starting with the first event and ending with the birth of a baby?

Accepted Answer

Fertilization, implantation, embryonic development, fetal development, birth

Answer

Birth, embryonic development, fertilization, fetal development, implantation

Answer

Implantation, fertilization, embryonic development, fetal development, birth

Question 6

Natural selection is a process that helps species to evolve over time.

Explain how natural selection contributes to the evolution of a species and provide a specific example.

Accepted Answer

Natural selection favors individuals with traits that increase their survival and reproduction. Over time, these traits become more common in the population, leading to the evolution of the species.

Answer

Natural selection only occurs in humans and not in other species.

Answer

Natural selection ensures that all individuals in a species are identical.

Answer

Natural selection is a random process that has no impact on the evolution of species.

Question 7

How does biodiversity contribute to the stability and resilience of ecosystems? Explain how the loss of biodiversity can affect ecosystems, providing specific examples.

Accepted Answer

Biodiversity increases the variety of species, creating more ecological niches and reducing competition.

Accepted Answer

Biodiversity helps regulate ecosystem processes like nutrient cycling and decomposition, ensuring the availability of essential resources.

Accepted Answer

Biodiversity provides resilience against environmental disturbances, allowing ecosystems to recover faster from natural disasters or human impacts.

Answer

Biodiversity has no significant impact on ecosystem stability or ecological processes.

Question 8

How does genetic variation, or differences in genetic material, arise among individuals within a species?

Accepted Answer

Genetic variation is the result of random mating and fertilization, where different genetic contributions from each parent are combined.

Answer

Genetic variation occurs only through mutations, which are sudden changes in the DNA sequence.

Answer

Genetic variation is unique to humans because our genetic makeup is more complex than that of other species.

Question 9

Which body system carries nutrients, oxygen, and waste throughout the body?

Accepted Answer

Circulatory system

Answer

Nervous system

Answer

Respiratory system

Question 10

When you quickly pull your hand away from something hot, which part of your nervous system helps you do this?

Accepted Answer

Nerves that connect your body to your brain and spinal cord

Answer

Brain and spinal cord

Answer

Nerves that control your heartbeat and breathing

Question 11

Why is biodiversity essential for the survival of living things?

Accepted Answer

It provides vital resources like food, medicines, and materials.

Answer

It plays no role in maintaining nature's balance.

Answer

It doesn't contribute to ecosystem services like water purification.

Answer

It's only important for humans, not other organisms.

Question 12

Which of the following is NOT a function of enzymes in the digestive system?

Accepted Answer

Neutralizing stomach acid

Answer

Breaking down food into smaller pieces

Answer

Speeding up chemical reactions

Answer

Assisting nutrients in entering the bloodstream

Question 13

The pancreas plays a dual role in our bodies. How does it manage to carry out both digestion and blood sugar control?

Accepted Answer

It releases enzymes for digestion and hormones for blood sugar regulation.

Answer

It only produces hormones for blood sugar control.

Answer

It only releases enzymes for digestion.

Question 14

How does the endocrine system help keep the body's internal conditions stable?

Accepted Answer

It releases hormones that control body temperature.

Accepted Answer

It releases hormones that regulate blood sugar levels.

Accepted Answer

It releases hormones that balance water levels.

Answer

It does not play a role in maintaining stability.

Question 15

Which organ is the largest in the human body?

Accepted Answer

Skin

Answer

Brain

Answer

Liver

Answer

Heart

Question 16

What is the role of the circulatory system?

Accepted Answer

To transport nutrients and oxygen

Answer

To protect the body from infection

Answer

To regulate body temperature

Answer

To produce hormones

Question 17

What is the primary energy source for most animals?

Accepted Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Answer

Vitamins

Question 18

What is the primary function of the diaphragm?

Accepted Answer

To support breathing

Answer

To shield the heart and lungs

Answer

To pump blood

Answer

To process food

Question 19

Which group is not classified as a vertebrate?

Accepted Answer

Insect

Answer

Fish

Answer

Amphibian

Answer

Mammal

Question 20

What is the primary purpose of the digestive system?

Accepted Answer

Absorbing nutrients

Answer

Storing energy

Answer

Defending against infection

Answer

Maintaining body temperature

Question 21

Which part of our body is the largest?

Accepted Answer

Skin

Answer

Liver

Answer

Brain

Answer

Heart

Question 22

What does the respiratory system do?

Accepted Answer

Swaps gases

Answer

Breaks down food

Answer

Gets rid of waste

Answer

Protects the body from getting poorly

Question 23

Which joint lets you make the biggest range of movements?

Accepted Answer

Ball and socket

Answer

Hinge

Answer

Pivot

Answer

Saddle

Question 24

What is NOT a special feature of mammals?

Accepted Answer

Laying eggs

Answer

Having fur

Answer

Giving birth to babies instead of laying eggs

Answer

Producing milk to feed their little ones

Question 25

What is the circulatory system in charge of?

Accepted Answer

Moving oxygen and food around the body

Answer

Keeping the body free from illness

Answer

Keeping the body at the right temperature

Answer

Making hormones

Question 26

What's the difference between a herbivore and a carnivore?

Accepted Answer

Herbivores eat plants and carnivores eat animals

Answer

Carnivores eat plants and herbivores eat animals

Answer

Both eat plants and animals

Answer

There is no difference

Question 27

Which of the following is NOT a part of the skeletal system?

Accepted Answer

Nerves

Answer

Bones

Answer

Cartilage

Answer

Joints

Question 28

What is the main function of the digestive system?

Accepted Answer

To break down food into nutrients

Answer

To transport oxygen throughout the body

Answer

To regulate body temperature

Answer

To protect the body from disease

Question 29

Which type of joint allows for the most movement?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Fixed joint

Question 30

Which of the following is a characteristic of mammals?

Accepted Answer

They are warm-blooded

Answer

They lay eggs

Answer

They have gills

Answer

They have feathers

Question 31

What is the main job of the lungs?

Accepted Answer

To exchange oxygen and carbon dioxide

Answer

To store food

Answer

To pump blood throughout the body

Answer

To filter waste products

Question 32

Which of the following diseases is spread by mosquitoes?

Accepted Answer

Malaria

Answer

Asthma

Answer

Cancer

Answer

Diabetes

Question 33

What is the difference between a predator and its prey?

Accepted Answer

A predator hunts and eats prey, while prey is hunted and eaten.

Answer

A prey hunts and eats predators, while predators are hunted and eaten.

Answer

They are both herbivores.

Answer

They are both carnivores.

Question 34

What is the main job of the heart?

Accepted Answer

To pump blood

Answer

To filter blood

Answer

To produce insulin

Answer

To store bile

Question 35

Which of these animals does NOT belong to the mammal group?

Accepted Answer

Snake

Answer

Cat

Answer

Dog

Answer

Dolphin

Question 36

Which bone in the human body is the longest?

Accepted Answer

Femur

Answer

Tibia

Answer

Humerus

Answer

Radius

Question 37

What is the term for the process by which animals create new animals?

Accepted Answer

Reproduction

Answer

Fertilization

Answer

Gestation

Answer

Lactation

Question 38

What is the main function of the human heart?

Accepted Answer

Pumping blood

Answer

Filtering blood

Answer

Producing insulin

Answer

Storing blood

Question 39

What is the primary function of the human lungs?

Accepted Answer

To exchange gases (oxygen and carbon dioxide)

Answer

To digest food

Answer

To pump blood

Answer

To store urine

Question 40

Which of these animals is a vertebrate?

Accepted Answer

Frog

Answer

Spider

Answer

Worm

Answer

Jellyfish

Question 41

What is the name of the longest bone in the human body?

Accepted Answer

Femur (thigh bone)

Answer

Humerus (upper arm bone)

Answer

Tibia (shin bone)

Answer

Clavicle (collarbone)

Question 42

How do animals obtain energy from food?

Accepted Answer

Respiration

Answer

Photosynthesis

Answer

Excretion

Answer

Circulation

Question 43

Which of these is a type of invertebrate?

Accepted Answer

Insect

Answer

Fish

Answer

Bird

Answer

Mammal

Question 44

What is the name of the largest organ in the human body?

Accepted Answer

Skin

Answer

Liver

Answer

Brain

Answer

Lungs

Question 45

What is the name of the muscular organ that pumps blood around the body?

Accepted Answer

Heart

Answer

Lungs

Answer

Stomach

Answer

Liver

Question 46

Which of the following is NOT a part of the digestive system?

Accepted Answer

Brain

Answer

Mouth

Answer

Small intestine

Answer

Large intestine

Question 47

What is the name of the hormone that regulates blood sugar levels?

Accepted Answer

Insulin

Answer

Adrenaline

Answer

Thyroxine

Answer

Estrogen

Question 48

Which of the following is NOT a characteristic of mammals?

Accepted Answer

They have feathers

Answer

They have fur or hair

Answer

They give birth to live young

Answer

They produce milk

Question 49

What is the name of the largest organ in the human body?

Accepted Answer

Skin

Answer

Liver

Answer

Brain

Answer

Lungs

Question 50

Which of the following is NOT a sense organ?

Accepted Answer

Kidney

Answer

Eye

Answer

Ear

Answer

Nose

Question 51

What is the name of the part of the brain that controls balance and coordination?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 52

What is the main role of the digestive system?

Accepted Answer

To absorb nutrients from the things we eat

Answer

To circulate oxygen around our body

Answer

To get rid of harmful substances

Answer

To regulate our body temperature

Question 53

Which animal is a mammal?

Accepted Answer

Bat

Answer

Shark

Answer

Fish

Answer

Lizard

Question 54

How do plants create the food they need?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Digestion

Answer

Transpiration

Question 55

What is the main reason we have a skeleton?

Accepted Answer

To protect our body

Answer

To make blood

Answer

To digest our food

Answer

To regulate our temperature

Question 56

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Digestion

Answer

Support and protection

Answer

Movement

Answer

Production of red blood cells

Question 57

Which of the following organs is responsible for pumping oxygenated blood throughout the body?

Accepted Answer

Heart

Answer

Lungs

Answer

Liver

Answer

Stomach

Question 58

Which of the following muscle types is found in the walls of blood vessels?

Accepted Answer

Smooth muscle

Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Voluntary muscle

Question 59

Which of the following bones is the longest bone in the human leg?

Accepted Answer

Femur

Answer

Humerus

Answer

Tibia

Answer

Clavicle

Question 60

Which of the following animal groups have a backbone and give birth to live young?

Accepted Answer

Vertebrates

Answer

Invertebrates

Answer

Arthropods

Answer

Mollusks

Question 61

Which of the following is a characteristic of birds?

Accepted Answer

Lay eggs

Answer

Have fur or hair

Answer

Give birth to live young

Answer

Have gills

Question 62

Which of the following is the outermost layer of skin?

Accepted Answer

Epidermis

Answer

Dermis

Answer

Hypodermis

Answer

Cartilage

Question 63

When does ovulation typically happen during the menstrual cycle?

Accepted Answer

Around day 14 of the cycle, when an egg is released from the ovary

Answer

During menstruation, when the lining of the uterus sheds

Answer

During the luteal phase, when the body prepares for pregnancy

Answer

During the follicular phase, when the egg develops in a follicle

Question 64

What is the primary function of the immune system?

Accepted Answer

Fight off infections

Answer

Regulate body temperature

Answer

Promote growth

Answer

Repair damaged cells