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2022 WORLD SCIENCE DAY OGUN STAN QUIZ FOR JUNIOR

Total questions: 103

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

Participants from China, Japan and Korea will be attending a conference. 96 of them are from China, 72 are from Japan and 48 are from Korea. The organiser wishes to group them into discussion groups such that the participants are distributed equally among the groups. The number of discussion topics that the organiser needs to prepare depends on the number of discussion groups formed. What is the greatest number of discussion topics that the organiser has to prepare for the conference?

a)

23

b)

24

c)

25

d)

26

2.

Canteen A, canteen B and Canteen C repeat their lunch menus every 12 days, 8 days and 10 days respectively. All three canteens serve noodle soup today. How many days later will all the three canteens serving noodle soup again?

a)

100 days

b)

110 days

c)

120 days

d)

130 days

3.

Find the difference between the square of 7 and the sum of the first 7 odd numbers.

a)

0

b)

1

c)

2

d)

3

4.

A rectangular block of metal is 0. 24 m long, 0. 19 m wide and 0. 15 m high. If the metal block is melted to form a cube, find the length of each side of the cube.

a)

0. 19 m

b)

0. 29 m

c)

0. 39 m

d)

0. 49 m

5.

A cuboid, with dimensions 28 cm by b cm by 15 cm, has a volume of 6 720 cm3. Find the breadth, b, of the cuboid.

a)

14 cm

b)

15 cm

c)

16 cm

d)

17 cm

6.

A metal cube has a volume 27 cm3. It is to be painted on all its faces. Find the total area of the faces that will be coated with paint.

a)

51 cm2

b)

52 cm2

c)

53 cm2

d)

54 cm2

7.

What is the y-intercept of this graph?

a)

1

b)

2

c)

3

d)

420

8.

Ranjan was facing south. He took 7/8 turns to his left and then he turned 135 degrees in a clockwise direction. Which direction is he facing now?

a)

North

b)

North-East

c)

East

d)

South-East

9.

Solve using BODMAS:
[{(364 x 8) + 85} - 3474/9] + 3 x 15/5

a)

2620

b)

7833

c)

1620

d)

6833

10.

The age of a son is 5years more than 1/5th the age of his father. If his father's age is 30, what is the age of his son?

a)

11 years

b)

12 years

c)

13 years

d)

7 years

11.

Find the solution of the given simultaneous equations.

y = 2x−3y\ =\ 2x-3  

3x−2y=43x-2y=4  

a)

(2, 1)

b)

(−73,−233)\left(-\frac{7}{3},-\frac{23}{3}\right)  

c)

(-7, -17)

d)

(7, 4)

e)

no solution

12.

Two pencils and a ruler cost 49 cents in total. One pencil and two rulers cost 62 cents in total. Find the cost of each item.

a)

pencil: 13 cents

ruler: 23 cents

b)

pencil: 15 cents

ruler: 23.50 cents

c)

pencil: 12 cents

ruler: 25 cents

d)

pencil: 18 cents

ruler: 26 cents

13.

I have only 2 cent and 5 cent coins. The total number of coins is 25, and their total value is 92 cents. How many of each coin do I have?

a)

number of 2 cent coins: 16

number of 5 cent coins: 9

b)

number of 2 cent coins: 8

number of 5 cent coins: 17

c)

number of 2 cent coins: 13

number of 5 cent coins: 12

d)

number of 2 cent coins: 11

number of 5 cent coins: 14

14.

A baker's basket contains bread rolls and sandwich loaves. The loaves weigh 750 g and rolls 150 g. The total number of loaves and rolls is 16 and their total weight is 6 kg. How many rolls and how many loaves are in the basket?

a)

There are 7 sandwich loaves and 9 bread rolls in the basket.

b)

There are 12 sandwich loaves and 4 bread rolls in the basket.

c)

There are 8 sandwich loaves and 8 bread rolls in the basket.

d)

There are 6 sandwich loaves and 10 bread rolls in the basket.

15.

Find the solution of the simultaneous equations given the graph.

a)

(0, 2)

b)

(2, 2)

c)

(-1, 3)

d)

no solution

16.

The Variance of a data is 2.5. Find the new variance if each data is multiplied by 3.

a)

22.5

b)

7.5

c)

13.5

17.

if each number in a set of data is added or substracted with a constant, the range, interquartile range, variance and standard deviation also will change.

a)

True

b)

False

18.
Pat needs 14 sticks of pepperoni to make 28 pizzas.  How many sticks of pepperoni are needed to make 36 pizzas?  
a)
15 pizzas
b)
252 sticks
c)
18 sticks
d)
18 pizzas
19.
A car travels 420 miles in 8 hours.  If the car continues at the same rate, how far will it travel in 12 hours?
a)
630 miles
b)
630 hours
c)
600 miles
d)
540 hours
20.
12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?
a)
24 weeks
b)
6 weeks
c)
30 weeks
d)
20 weeks
21.

15 of the students in a history class passed a History test. If these students are 75% of all the students in the class, how many students are in the history class? Round you answer to the nearest whole number if necessary.

a)

20 students

b)

11 students

c)

32 students

d)

24 students

22.

Beeny went to his local zoo where 55% of it's exhibits featured reptiles. If the zoo features 20 exhibits in total, how many of the zoo's exhibits feature reptiles? Round your answer to the nearest whole number if necessary.

a)

20 exhibits

b)

11 exhibits

c)

32 exhibits

d)

24 exhibits

23.

At a construction job for a store, 24 painters were tasked with painting the interior. These painters made up 75% of the painting crew, so how many painters in all worked on this job? Round your answer to the nearest whole number if necessary.

a)

20 painters

b)

32 painters

c)

11 painters

d)

24 painters

24.
Ms. Kings second period P.E. Class has 56 students. 40 of these students enjoy playing baseball. This holds true for all 77 students in all of Ms. King's classes. How many of the 77 students enjoy playing baseball?
a)
55
b)
48
c)
114
d)
168
25.

Kamari completed his math homework in 1/3 of an hour.


He had to complete 4 math problems.

He spent an equal amount of time on each problem.


How much of an hour did Kamari spend on each problem?

a)

1/12

b)

1/7

c)

3/4

d)

12

26.

Keon is planting to rectangular gardens. His rose garden is 6 feet long and 3/8 foot wide. His tulip garden is 6 feet long and 6/8 foot wide.


Which statement is true about the two gardens?

a)

The rose and tulip gardens have the same area

b)

The rose garden has an area that is 3/8 square foot less than the tulip garden.

c)

The tulip garden is smaller than the rose garden.

d)

The area of the tulip garden is double the area of the rose garden.

27.
In Maddie’s garden, 1/3 of her plants are tomatoes. Of those tomatoes, 2/5 of them are ripe. What fraction of the plants are ripe tomatoes?
a)
2/8
b)
3/15
c)
3/8
d)
2/15
28.
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
a)
y=5000(0.7)x
b)
y=30(5000)x
c)
y=5000(1.3)x
d)
y=5000xx
29.

3x−4+x2x+7\frac{3}{x-4}+\frac{x}{2x+7}  

a)

x2+2x+21(x−4)(2x+7)\frac{x^2+2x+21}{\left(x-4\right)\left(2x+7\right)}  

b)

x2+6x+21(x−4)(2x+7)\frac{x^2+6x+21}{\left(x-4\right)\left(2x+7\right)}  

c)

x2+6x+7(x−4)(2x+7)\frac{x^2+6x+7}{\left(x-4\right)\left(2x+7\right)}  

d)

x2+2x+7(x−4)(2x+7)\frac{x^2+2x+7}{\left(x-4\right)\left(2x+7\right)}  

30.

2x−1−1x−2+3(x+2)(x−1)(x−2)\frac{2}{x-1}-\frac{1}{x-2}+\frac{3\left(x+2\right)}{\left(x-1\right)\left(x-2\right)}  

a)

4x+3(x−1)(x−2)\frac{4x+3}{\left(x-1\right)\left(x-2\right)}  

b)

6x+1(x−1)(x−2)\frac{6x+1}{\left(x-1\right)\left(x-2\right)}  

c)

4x+1(x−1)(x−2)\frac{4x+1}{\left(x-1\right)\left(x-2\right)}  

d)

6x−1(x−1)(x−2)\frac{6x-1}{\left(x-1\right)\left(x-2\right)}  

31.
a)
18/30
b)
24/30
c)
18/24
d)
24/18
32.
a)
A
b)
B
c)
C
d)
D
33.

Which principle is majorly used for maintaining the sanity of our nature is?

a)

2Rs Principle

b)

3Rs Principle

c)

5Rs Principle

d)

6Rs Principle

34.

Swachh Bharat Mission was launched on?

a)

October 2nd 2019

b)

October 2nd 2018

c)

October 2nd 2020

d)

October 2nd 2017

35.

What do you do after you use an object and it has no further use?

a)

Discard

b)

Decorate

c)

Reuse

d)

None of the above

36.

The wastes produced by commercial places is known as?

[Hint: Determine the most common answer only]

a)

Common Waste

b)

Commercial Bio technical Waste

c)

Commercial Waste

d)

Commercial Market Waste

37.

The wastes produced in Hospitals and clinics are often termed as?

a)

Bio-Chemical Wastes

b)

Bio-Medical Wastes

c)

Bio-Hospital

Wastes

d)

Bio-Clinic

Wastes

38.

If you find two waste materials. Out of which one can harm us and the other does not. Then name the type of waste materials respectively.

a)

Toxic and Non-Toxic

b)

Toxic and Toxic

c)

Non-Toxic and Toxic

d)

Non-Toxic and Non-Toxic

39.

Which of the following is a bio-degradable waste?

a)

Water

b)

Plastic

c)

Chewing gums

d)

None of the above

40.

Which of the following is a non bio-degradable waste?

a)

Water

b)

Vegetables

c)

Fruit peels

d)

Glass

41.

Burning of plastic causes the evaporation of toxic gases into atmosphere then which diseases can occur?

a)

Cancer

b)

Various diseases

c)

All of the above

d)

Harmful viruses

42.

How to minimize the usage of plastic?

a)

Using paper bags

b)

Using plastic free containers

c)

Using plastic free water bottles

d)

All of the above

43.

What is agriculture?

a)

Wetting of flowers

b)

Planting of crops and rearing of animals

c)

Buying of clothes

d)

Money making

44.

The layer of gas surrounding a planet that is held in place by gravity is...

a)

air

b)

atmosphere

c)

sky

d)

space

45.

The smallest particle of an element

a)

atom

b)

property

c)

mass

d)

proton

46.

Physical and chemical characteristics of matter used to describe or identify a substance

a)

Properties

b)

Identifiers

c)

Atoms

d)

neutrons

47.

The solid that is formed as a result of a chemical change

a)

matter

b)

precipitation

c)

precipitate

d)

prechange

48.

A table in which all the known elements are arranged by properties and are represented by chemical symbols

a)

Chemical Table

b)

Property Table

c)

Periodic Table

d)

Table of Contents

49.

Which principle is majorly used for maintaining the sanity of our nature is?

a)

2Rs Principle

b)

3Rs Principle

c)

5Rs Principle

d)

6Rs Principle

50.

Swachh Bharat Mission was launched on?

a)

October 2nd 2019

b)

October 2nd 2018

c)

October 2nd 2020

d)

October 2nd 2017

51.

What do you do after you use an object and it has no further use?

a)

Discard

b)

Decorate

c)

Reuse

d)

None of the above

52.

The wastes produced by commercial places is known as?

[Hint: Determine the most common answer only]

a)

Common Waste

b)

Commercial Bio technical Waste

c)

Commercial Waste

d)

Commercial Market Waste

53.

The wastes produced in Hospitals and clinics are often termed as?

a)

Bio-Chemical Wastes

b)

Bio-Medical Wastes

c)

Bio-Hospital

Wastes

d)

Bio-Clinic

Wastes

54.

If you find two waste materials. Out of which one can harm us and the other does not. Then name the type of waste materials respectively.

a)

Toxic and Non-Toxic

b)

Toxic and Toxic

c)

Non-Toxic and Toxic

d)

Non-Toxic and Non-Toxic

55.

Which of the following is a bio-degradable waste?

a)

Water

b)

Plastic

c)

Chewing gums

d)

None of the above

56.

Which of the following is a non bio-degradable waste?

a)

Water

b)

Vegetables

c)

Fruit peels

d)

Glass

57.

Burning of plastic causes the evaporation of toxic gases into atmosphere then which diseases can occur?

a)

Cancer

b)

Various diseases

c)

All of the above

d)

Harmful viruses

58.

How to minimize the usage of plastic?

a)

Using paper bags

b)

Using plastic free containers

c)

Using plastic free water bottles

d)

All of the above

59.

If there is no sound when you try to play music or watch a video, what should you check first?

a)

The volume level to see if your computer is on mute

b)

Check the power cord to see if your computer is on

c)

Prepare to purchase a new computer

60.

One purpose of the task manager is to...

a)

Enhance your computer programming

b)

Finding tutorials to use downloaded applications

c)

Close programs that are not functioning

61.

What manages all of the computer's programming and software?

a)

The hardware functioning system

b)

The Operating System

c)

The Circulatory System

62.

A printer is considered to be in the category of

a)

Software

b)

Malware

c)

Hardware

63.

If my laptop has problems starting or is trapped in a restarting loop, what can I try first to solve the problem?

a)

Get a laptop cooling pad

b)

Restart your laptop computer

c)

Throw it in a trash can, it's GARBAGE

64.

Deleted files are sent to the

a)

The Computer's Recycling Bin

b)

Computer's Invisible Cemetery

c)

A file that you can't see

65.

Which statement best describes malware?

a)

software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system.

b)

Software that helps your computer function better

c)

A digital cleaning program to get rid of viruses.

66.

A good way to organize the data on your computer is to.

a)

Sit it neatly on a desk.

b)

Put sticky notes on each part of the computer

c)

Store things in files

67.

What is the purpose of using anti-virus software?

a)

Anti-Virus software makes computer screens brighter

b)

Anti-Virus software removes and protects your computer from viruses and other malware.

c)

Anti-Virus software provides access to fun and new applications and tools.

d)

Keeps your computer Covid-Free

68.

If your computer is becoming slow in everyday use, you should check out:

a)

The background processes that are running and eliminate the ones that are unnecessary

b)

keep the power cord plugged in all the time

c)

A faster internet provider service

69.

If the printer stops printing, what should I do first?

a)

Call a service center

b)

Buy a new one

c)

check the power connection, then check the paper tray for jams or empty tray

70.

The first course of action and the easiest step in solving a minor issue with your computer is to__________

a)

Reboot/restart the computer

b)

Turn off the printer

c)

Unplug the Power Source

71.

If your laptop keeps overheating, what should you do to keep it from becoming damaged?

a)

Get a new laptop

b)

Don’t leave it on all the time

c)

Buy a cooling pad for laptops

72.

The ability to diagnose and troubleshoot common computer issues___________.

a)

Is an essential skill which not only maintains your personal computer but is an asset in the job market

b)

Is really not my concern; leave it to the geek squad

c)

Should always be left to the professionals

73.

In regard to online storage, which of the following would be false?

a)

It is referred to as “the cloud.”

b)

It is never a good idea to save your files to the internet.

c)

A limited storage space is offered free of charge; more can be purchased.

74.

Which of the following statements best describes a zipped file?

a)

A file sent to the recycle bin

b)

Files that are compressed to a smaller size than the original

c)

A photo or graphic file that has been altered

75.

Which of the following statements are true?

a)

Transferring files to a cloud storage backup service is very expensive.

b)

An external hard drive is the best way to back up your data.

c)

It is a very good habit to periodically back up your data

76.

__________________________have appliances, lighting, heating and air, security and entertainment systems that can be accessed from inside the home or remotely from any location.

a)

Smart Phones

b)

Smart Watches

c)

Smart Homes

77.

Which statement is true?

a)

Learning to maintain your computer yourself is not a worthwhile skill.

b)

Restarting your computer does not help solve minor problems that arise.

c)

Preventative maintenance is necessary for the successful operation and the extended life of your computer.

78.

____________________________Websites and applications that enable users to create and share content or to participate in social networking

a)

Social Media

b)

Video Gaming Systems

c)

Smart Homes

79.

Windows is a/n ........... created by Microsoft

a)

Computer

b)

Web Browser

c)

Operating System

d)

Wordprocessor

80.

The main workspace of a Windows computer is called the ________

a)

Desktop

b)

Folder

c)

Taskbar

d)

Shortcut

81.

The icon in this image is most likely a ________.

a)

Folder

b)

File

c)

Shortcut

d)

Document

82.

Supposing you're having trouble locating a file on your computer. Which of the following are good places to look for the file? Select all that apply.

a)

The Recycle Bin

b)

The Downloads folder

c)

Default folders like My Documents

d)

The screensaver

83.

If you want to move a window, you can click and drag the ________.

a)

taskbar

b)

Start button

c)

Close button

d)

top of the window

84.

Suppose you have several windows open on your desktop, but some of them are hidden behind other windows. What is the easiest way to switch to one of the hidden windows?

a)

Press Ctrl+Alt+Delete on your keyboard

b)

Press your computer's Power button

c)

Click the icon on the taskbar

d)

Close all programs and reopen them one-by-one

85.

True or False:

When you move a file to the Recycle Bin, it will be immediately deleted from your computer.

a)

True

b)

False

86.

When you double-click a file on the desktop, it will open in the ________.

a)

Start menu

b)

most recently-opened application

c)

default application for that file type

d)

Control Panel

87.

True or False:

You can only have one user account on a Windows computer.

a)

True

b)

False

88.

When would you use the Ctrl+Alt+Delete keyboard shortcut?

a)

When you want to delete a file

b)

When a program first opens

c)

When you first boot up your computer

d)

When a program is unresponsive

89.

Which of these are correct ways to uninstall an application?

Select all that apply.

a)

From Desktop

b)

From Control Panel

c)

From Start Menu

d)

From Command Prompt (with given code)

90.

Which shortcut is for copying selected file/text?

a)

CTRL + A

b)

CTRL + X

c)

CTRL + C

d)

CTRL + V

91.

Which shortcut is for pasting previously copied file/text?

a)

CTRL + A

b)

CTRL + X

c)

CTRL + C

d)

CTRL + V

92.

Which shortcut is to cut selected file/text?

a)

CTRL + A

b)

CTRL + X

c)

CTRL + C

d)

CTRL + V

93.

Which shortcut is for selecting all files/text in current area?

a)

CTRL + A

b)

CTRL + X

c)

CTRL + C

d)

CTRL + V

94.

How do you start a Meso cycle of training?

a)

Trainning

b)

Playing

c)

Testing

d)

Doing

95.

What is the difference between aerobic and anaerobic exercises?

a)

They are the same

b)

Different moves

c)

Intensity

d)

Players

96.

How many weeks did our meso training cycle last?

a)

7weeks

b)

7 Days

c)

6Weeks

d)

1 day

97.

How many minimum series should I do each week of training?

a)

4

b)

8

c)

15

d)

100

98.

What is the maximum rest time I need on each set?

a)

30 min

b)

1 min

c)

5 min

d)

45 sec

99.

If I have a level of 18, and I have to train in week 5 with 140%, how much is the result?

a)

34

b)

23

c)

25

d)

21

100.

How many squats do I have to do if my initial level was 42 and I am at week 7 with 160%?

a)

1102

b)

56

c)

43

d)

67

101.

What exercise would help me improve my endurance?

a)

T Push ups 4 series 1 min rest

b)

Zumo squats 10 series 1 min rest

c)

Close grips push ups 5 sets 2 min rest

d)

jogging 45 min

102.

How many minimum minutes should I do resistance to improve it?

a)

15

b)

5

c)

1,50

d)

17898765

103.

What is my mark if I only increase 1 repetition with respect to the first test?

a)

100

b)

8

c)

49

d)

1000

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