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Quiz Comp'21 Week 04

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Which action can have the greatest impact on reducing the threat of global warming?

a)

Composting

b)

Reducing energy use

c)

Planting a tree

d)

Recycling

2.

Having an ozone layer in the earth upper atmosphere protects us from?

a)

extremely cold winters

b)

harmful cancer-causing light rays

c)

extremely hot summers

d)

Alien invasion

3.

What is the name of the Global agency that works to protect the physical Earth?

a)

United Nations Children’s Fund (UNICEF)

b)

United Nations Environment Programme (UNEP)

c)

The United Nations Educational, Scientific and Cultural Organization (UNESCO)

d)

World Health Organisation (WHO)

4.

Carbon dioxide, methane, water vapor and nitrous oxide are examples for what?

a)

Are transpired by plants

b)

Major atmospheric components

c)

major gases found in car exhaust

d)

Greenhouse gas

5.

Approximately 70% of all fresh water withdrawn for humans is used for what?

a)

Irrigation

b)

Washing people and clothe

c)

Drinking

d)

Cooking

6.

There are many different kinds of plants and animals, and they live in many different types of environments. What word is used to describe this idea?

a)

Evolution

b)

Socio-economics

c)

Multiplicity

d)

Biodiversity

7.

Which of the following is an example of organic farming?

a)

hydroponics

b)

crop rotation

c)

battery farming

d)

fish farm

8.

What is the shelf life of the egg?

a)

65 days

b)

45 days

c)

35 days

d)

25 days

9.

Which of the following fruits has maximum area under cultivation?

a)

Apple

b)

Berries

c)

Jackfruit

d)

Mango

10.

The typical common apparatus used for heating is

a)

woods

b)

lantern

c)

Bunsen burner

d)

stove

11.

The study and practice of science is impossible without

a)

technology

b)

skills

c)

processes

d)

both skills and processes

12.

Generating electricity by burning fossils fuels can lead to

a)

pollution

b)

more discoveries

c)

growing crops

d)

benefits

13.

Observing that plants which are kept in dark won’t make food lead us to infer that light is needed to make

a)

water

b)

CO2

c)

food

d)

oxygen

14.

Radium nature was discovered by

a)

Isaac Newton

b)

Louis Pasteur

c)

Marie Curie

d)

all of them

15.

A large amount of data usually involved in research can be easily accessed through

a)

mobile technology

b)

Book marks

c)

LED

d)

computer technology

16.

If a solid is required to be heated directly, the apparatus used will be

a)

pipette

b)

burette

c)

crucible

d)

retort stand

17.

The certain attitudes which are required to study and practice science includes

a)

perseverance

b)

skeptical

c)

open-mindedness

d)

all of them

18.

The extension of inference is called a

a)

observation

b)

conclusions

c)

analysis

d)

hypothesis

19.

Energy and natural forces are studied in which science subject?

a)

Geology

b)

Physics

c)

Chemistry

d)

Biology

20.

When is the world water day?

a)

March 22

b)

March 24

c)

March 23

d)

April 22