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REVISION TEST CHAPTER 1-4

Total questions: 65

Worksheet time: 57mins

Name
Class
Date
1.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
2.

Biodiversity is best described as...

a)

the amount of different species of organisms (plants and animals) living in the same area.

b)

when only a few species inhabit an area.

c)

when only one organism (plants and animals) is found living in one area.

3.
High biodiversity is 
a)
having a lot of the same organism.
b)
having a few of the same organism.
c)
having a lot of variety of different organisms.
d)
only having one of each organism. 
4.

A species that is likely to become extinct if protective measures are not taken immediately is known as

a)

threatened species

b)

endemic species

c)

keystone species

d)

endangered species

5.

Based on the diagram, indicate the importance of biodiversity to human

a)

Source of food

b)

Balance in nature

c)

Raw materials for industries

d)

Education

e)

Recreational places

6.

Based on the diagram, indicate the importance of biodiversity to human

a)

Medical

b)

Balance in nature

c)

Raw materials for industries

d)

Recreational places

7.

Activities that can destroy the biodiversity of the rainforest

a)

Deforestation

b)

Breeding program

c)

Forest reserve

d)

Illegal logging

8.

What is an endemic species?

a)

Species that can be found anywhere

b)

Animals that became endangered

c)

Organisms that can only be found in restricted habitat

d)

Plants that can undergo photosynthesis

9.

Biodiversity is a priceless treasure and a legacy of nature which should

be preserved. Choose two importance of biodiversity.

a)

Recreational places

b)

To maintain the water level in the atmosphere

c)

Medical

d)

To classify organisms

10.

Tick the result of several destructive practices and their consequences

a)

Pollution, climate change, hunting and capturing animals...

b)

Pollution, climate change, creation of new species...

c)

Over-exploiting resources, creation of new species, alteration of habitats...

11.

The principal function of biosphere reserves is...

a)

Protect the environment

b)

Protect wildlife

c)

Both

12.

Life on Earth will disappear if we continue harming our natural...

a)

Context

b)

Environment

c)

Earth

13.

A student develops a model for grouping animals that she observes in a park.

What are MOST LIKELY the names of the animal groups?

a)

fish and reptiles

b)

reptiles and birds

c)

fish and mammals

d)

reptiles and amphibians

14.

A student draws three animals.

Which characteristics can the student use to classify the animals?

a)

no backbone, live in water, lay eggs

b)

backbone, live on land, breathe with lungs

c)

no backbone, scales on skin, breathe with gills

d)

backbone, smooth skin, breathe with gills and lungs

15.

A student sorts animals into groups. He draws the animals in one group.

Which animal should the student remove from this group?

a)

fox

b)

bear

c)

hawk

d)

mouse

16.

How are reptiles and fish alike?

a)

neither has scales

b)

both breathe with gills

c)

neither has a backbone

d)

both have body temperatures that change with their surroundings

17.

A student wants to research invertebrate animals. Which of these animals should she study? Select 3

a)

frog

b)

fish

c)

clam

d)

worm

e)

spider

18.

Which features can a scientist use to identify an amphibian? Select 3

a)

has a backbone

b)

has no backbone

c)

has smooth, moist skin

d)

has scales or plates on skin

e)

breathes first with gills and then with lungs

19.
Which animal is a bird?
Animal 1: backbone/feathers/warm-blooded
Animal 2: backbone/scales/gills/cold-blooded
Animal 3: cold-blooded
Animal 4: backbone/hair
a)
Animal 1
b)
Animal 2
c)
Animal 3
d)
Animal 4
20.
Ben has noticed an animal when he looks out his window at school.  The animal has a backbone, lives on land, bears live young, and has hair.  What is the classification for this animal?
a)
reptile
b)
bird
c)
mammal
d)
amphibian
21.
Asia keeps seeing a small animal in her backyard.  She observed the animal has a backbone, four legs and a long tail, and its body is covered with scales.  What is the classification for this animal?
a)
bird
b)
mammal
c)
reptile
d)
amphibian
22.

In this food web, which of the following organisms eats the largest variety of different producers?

a)

Mouse

b)

Grasshopper

c)

Dragonfly

d)

Butterfly

23.

What is the primary source of energy for the ecosystem pictured above?

a)

Grass and Green plants

b)

Hawks and Deer

c)

Tadpoles and Fish

d)

Sun

24.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
25.

Name the type of this symbiosis?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Interspecies

26.

Name the type of this symbiosis?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Interspecies

27.

Name the type of this symbiosis?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Interspecies

28.

The diagram shows the interaction of two animals.


Which of the following animals show the similar interaction as above?

a)
b)
c)
29.
Hawks and owls eat the same thing. That relationship is called ___________.
a)
adaptation
b)
competition
c)
parasitism
d)
mutualism
30.

Commensalism is a symbiotic relationship in which what occurs between the organisms?

a)

both organisms are harmed

b)

one benefits, the other is unaffected

c)

one benefits, the other is harmed

d)

one benefits by eating the other

31.

A group of organisms that have common characteristics and can reproduce to breed offsprings is called.......

a)

ecosystem

b)

community

c)

species

d)

population

32.

An ecosystem is a few communities that live together in one habitat and have mutual interaction with one another including all the non living components such as water, air and soil.

a)

True

b)

False

33.
A habitat is the place where an animal lives. Which animal's habitat is probably not in the desert?
a)
an insect
b)
lizard
c)
desert rat
d)
bear
34.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
35.

Which of the following is not the source (源) of carbohydrates?

a)
b)
c)
d)
36.

Which class of food helps our body to fight against infections?

a)

proteins

b)

fats

c)

carbohydrates

d)

fibre

37.

__________ helps to maintain a constant body temperature in our body.

a)

Fibre

b)

Vitamins

c)

Energy giving food

d)

Water

38.

Rickets is caused by the deficiency (缺乏) of __________.

a)

vitamin A

b)

vitamin B

c)

vitamin C

d)

vitamin D

39.

The diagram shows a food test that was carried out on a food sample.

Brick red precipitate is formed in the test tube.

Which of the following is the food sample tested?

a)

Egg yolk

b)

Olive oil

c)

Honey

d)

Peanut

40.

The diagram shows the apparatus used in food test.

A red precipitate is formed when sample X is heated together with a few drops of Millon’s reagent.

What is the nutrient that can probably be found in solution X?

a)

Oil

b)

Protein

c)

Glucose

d)

Starch

41.

What colour will starch turn brown iodine solution into?

a)

blue-black

b)

colourless

c)

red

d)

yellow

42.

People who live in cold climate (气候) need MORE food to maintain body temperature as compared to people who live in hot climate.

a)
b)
43.

Fat is completely digested (完全被消化) in the ________.

a)

stomach

b)

mouth

c)

small intestine (小肠)

d)

large intestine (大肠)

44.

Which statement is NOT true about proteins?

a)

Protein digestion begins in the mouth.

b)

Proteins are used for cell growth and repair.

c)

Proteins are broken down to amino acids.

d)

Proteins are used to synthesize (制造) antibodies

45.

What is the enzyme that break down fats?

a)

Amylase

b)

Maltose

c)

Protease

d)

Lipase

46.

Water from the undigested food is absorbed (被吸收) mainly in the __________.

a)

stomach

b)

oesophagus

c)

small intestine

d)

large intestine

47.

___________ is the end product of fat which used as heat insulator and to protect internal organs.

a)

Glucose

b)

Amino acid

c)

Fatty acid and Glycerol

48.

Food sample X is not digested in the mouth but is digested by the enzyme in the stomach.

What does X contain?

a)

Starch

b)

Protein

c)

Fat

d)

Maltose

49.

Gary eats 250 g of rice, 200 g of fried egg and 100g of apple. Calculate the calorific value of the boy's breakfast.

a)

2610kJ

b)

5730kJ

c)

5810kJ

d)

5725kJ

50.

Below are the enzymes produced by the pancreas except 除了) ?

a)

Maltase

b)

Amylase

c)

Protease

d)

Lipase

51.

Which of the following should be included more in a balanced diet for a pregnant woman?

a)

Iron

b)

Fats

c)

Calcium

d)

Vitamin D

52.

Which food is unsuitable (不适合) for a person who cannot produce (制造) enough bile?

a)

butter

b)

lean meat

c)

spinach

d)

rice

53.

Here are the list of enzymes in small intestine and their functions (用处), which of these is true?

a)

Amylase - Breakdown protein

b)

Lipase - Breakdown carbohydrates

c)

Protease - Breakdown protein

d)

Anylase - Breakdown fat

54.

The structure shown is a villus. How does the structure enables the digested food to be absorbed easily?

a)

This structure has a one-cell thick wall.

b)

This structure has a thick wall.

55.

What is the meaning of disease

a)

An illness that cause by toxic chemical expose by our body.

b)

Abnormal condition on body and mind that cause discomfort.

c)

Normal condition by body react to certain foreign substance

56.

" The organisms that can cause disease' is called _______

a)

bacteria

b)

pathogen

c)

probiotic

d)

biosome

57.

Disease that can be transmitted from one individual to other individual is called _____________

a)

non-infectious disease

b)

infectious disease

c)

genetic disease

d)

sporadic disease

58.

Infectious disease are spread by (i)__________ , transmitted by infected person called (ii) ______________.

a)

pathogens, vector

b)

vector, pathogens

c)

pathogen, host

d)

host, medium

59.

Based on the image, what is the true reason people need to wear that type of face mask.

a)

wear by healthy person to protect from sick person.

b)

to cover nose and mouth of sick person so that they cannot infect others

c)

To filter small particle or smoke and dust from entering mouth

60.

Sars-Cov2 virus that lead to Covid19 disease is example of (i)___________ disease that transmitted through (ii)_________ transmission.

a)

(i) waterborne (ii) water

b)

(i) touch (ii) parasite

c)

(i) airborne (ii) droplet

61.

Airborne disease can be prevented by practising the following, except

a)

cover nose and mouth when sneezing or cough.

b)

wash your hand with water only

c)

avoid being in crowded places

d)

avoid handshake

62.

"Cholera, Typhoid, Amoebic dysentery"

is the common disease that transmitted through _____

a)

air

b)

touch

c)

vector

d)

water

63.

The following skin disease can be prevented by...

a)

Share and exchange cloth among friends

b)

practice proper hygiene like showering.

c)

eat and maintain proper and balance food.

64.

Animal that transmit pathogen from one host to another is called __________

a)

species

b)

vector

c)

predator

d)

prey

65.

This is the vector for...

a)

zika virus

b)

dengue virus

c)

covid virus

d)

hanta virus

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