Free Printable biology

1.

Greenhouse gases ___________ heat energy.

a)

Reflect

b)

absorb

c)

Exchange

d)

attract

2.

.The greenhouse effect is natural.

a)

ture

b)

false

3.

The gas that is most abundant (highest percentage) in the atmosphere is

a)

Nitrogen

b)

Carbon dioxide

c)

Argon

d)

All the answers

4.

It's needed when we are working with DNA manipulation of new human life:

a)

No moral

b)

Bioethics

c)

Interest in science

5.

Select an examples of greenhouse gases from the list below.

a)

Carbon dioxide (CO2)

b)

Methane (CH4)

c)

Water vapor (H2O)

d)

All the options

6.

.In the late 1960s, scientists found they could use natural enzymes in DNA análisis, this lead to …

a)

Studying the human genome

b)

Creating cloned kids

c)

Producing medicine that editateds the DNA

7.

The 2 alleles you have for a gene make up your

a)

Phenotype

b)

Genotype

c)

Heterozygous

d)

Homozygous

8.

A person who inherits a Brown eye allele and a blue eye allele will have brown eyes because of

a)

Principle of Segregation

b)

Principle of Dominance

c)

Principle of Codominance

9.

What allele combination should go in the missing box?

a)

AA

b)

Aa

c)

aa

d)

none of these

10.

If B = brown hair and b = blonde hair, what is the probability of brown hair?

a)

25%

b)

50%

c)

0%

d)

75%

11.

A chemical factor (found in DNA) that controls heredity is called a

a)

DNA

b)

Enzyme

c)

Gen

12.

Heredity is...

a)

Genes

b)

The inheritance of traits

c)

Allels

d)

Proteins

13.

Which disease is caused by fungi?

a)

Influenza

b)

Malaria

c)

Athletes foot

14.

What medicine did Alexander Flemming accidentally discover?

a)

Flu shot

b)

Penicilin

c)

Pen and teller

15.

.These are short, hairlike structures that grow on the surface of some protists

a)

Cilia

b)

flagella

c)

pseudopods

16.

.All of the hyphae combined make up the ?

a)

Mycelium

b)

Vascular tissue

c)

Consortium

17.

What does the organism shown use for movement?

a)

Cilia

b)

pseudopod (fake feet)

c)

flagella

18.

.All protists have a nucleus and are...

a)

Prokaryotic

b)

one-celled

c)

eukaryotic

19.

Protists have characteristics in common with...

a)

Plants

b)

Animals

c)

Fungi

d)

All of these

20.

True or false, fungi can make their own food.

a)

true

b)

false

21.

Its a long whip-like structure used for movement.

a)

Cilia

b)

Flagellum

c)

Pseudopods

22.

Bacterial cells can be 200 times ___ than virus cellLector inmersivo

a)

Bigger

b)

Smartest

c)

Brighter

d)

Smaller

23.

Some protozoans feed host organisms. The host serves no benefit and may be harmed or even killed. This relationship is known as

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Dichotomous

24.

Bacterial infections (like an spider bite) are treated with

a)

Aspirin

b)

Antibiotics

c)

Probiotics

25.

Bacteria and viruses can cause illnesses in

a)

Animals, Humans, Plants

b)

Not living material

c)

Rocks, Mountains , dust

26.

Viruses need a...

a)

Host

b)

Horse

c)

House

27.

Viruses are considered

a)

non-living

b)

Living

c)

Living and non living

28.

Antibiotics kill viruses

a)

True

b)

False

29.

Viruses are cells.

a)

True

b)

False

30.

Most known prokaryotes are

a)

Arachaea

b)

Bacteria

c)

Protists

d)

Fungi

biology

Total questions: 30

Worksheet time: 16mins

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