Free Printable WT 02

1.

3x + 5 = 8

a)

2

b)

-3

c)

1

d)

5

2.

6x + 1 = 13

a)

5

b)

-2

c)

4

d)

2

3.

-2 - 7m = 19

a)

-3

b)

7

c)

2

d)

3

4.

7y + 9 = 2

a)

-7

b)

-1

c)

7

d)

2

5.

72 = 4k + 12

a)

12

b)

-3

c)

1

d)

15

6.

Solve the equation:

-5x = 25

a)

x = 20

b)

x = -20

c)

x = -5

d)

x = 5

7.

19 + a = -50

a)

a = -950

b)

a = -69

c)

a = -31

d)

a = -50/19

8.

Solve for k:
3k + 5 = 23

a)

k = 4

b)

k = 5

c)

k = 6

d)

k = 7

9.

Solve for x. $3x-2-x=18$

a)

$x=5$

b)

$x=4$

c)

$x=10$

d)

$x=8$

10.

Solve the equation 5(b - 2) = -10

a)

b = 4

b)

infinite solutions

c)

no solution

d)

b = 0

11.

Solve the following equation for x:
4(2x - 3) = 6x + 2

a)

x = 5/2

b)

x = 7

c)

x = 1

d)

no solution

12.

If y = 5x-3(3x+7), what is the value of x when y = -18?

a)

x = 6.25

b)

x = 51

c)

$x\ =\ -\frac{3}{4}$

d)

$x\ =\ -9\frac{3}{4}$

13.

What is the value of x in the equation

3(x - 2) + 5 = 2(5x - 4)

a)

0

b)

1

c)

2

d)

3

14.

What is the solution to the equation shown below?

$\frac{1}{3}x+6=9$

a)

x=1

b)

x=3

c)

x=5

d)

x=9

15.

Look at the equation below.

7x+4(5-x) = 24x-3(x-4)

a)

x=-7

b)

$x=\frac{4}{9}$

c)

$x=\frac{8}{5}$

d)

x=23

16.

Influenza is a disease caused due to

a)

Bacteria

b)

virus

c)

Protozoa

d)

None of the above

17.

The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is

a)

Blue green algae

b)

Chlorella

c)

Diatoms

d)

Chlamydomonas

18.

A fungus that grows on stale bread is:

a)

Penicillium

b)

Aspergillus

c)

Rhizopus

d)

None

19.

A bacteria responsible for curdling of milk is:

a)

Lactobacillus

b)

Rhizobium

c)

Oscillatoria

d)

Plasmodium

20.

This microorganism has whip-like flagella, that help them move.

a)

Virus

b)

Bacteria

c)

Algae

d)

Fungi

21.

All viruses contain this

a)

Nucleus and DNA or RNA

b)

DNA or RNA and protein coat

c)

Protein coat and nucleus

d)

Cell wall and DNA or RNA

22.

Which is the smallest of all microorganisms?

a)

Algae

b)

Fungi

c)

Virus

d)

Bacteria

23.

What type of instrument would you use to look at cells?

a)

Telescope

b)

Giroscope

c)

Microscope

d)

None of the above

24.

Select the disease which can be treated with antibiotics.

a)

Swine Flu

b)

Influenza

c)

COVID 19

d)

Bacterial infection

25.

Gas that makes up almost 78% of Earth's atmosphere

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

26.

Choose the correct statement with respect to unicellular organisms.

a)

In unicellular organisms, tissues work in coordination to perform different functions

b)

Unicellular organisms do not require food

c)

Unicellular organisms respire and reproduce

d)

All unicellular organisms move by cilia.

27.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

28.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

29.

______________ helps us digest our food and they produce needed vitamins.

a)

Bacteria

b)

Fungi

c)

Protozoa

d)

Algae

30.

A preparation of weakened or killed pathogens.

a)

Bacteria

b)

Antibiotic Resistance

c)

Vaccine

d)

Capsid

WT 02

Total questions: 30

Worksheet time: 2hrs 48mins

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