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Classification Biology

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Which is missing: kingdom, ___, class, order, family, genus, species.

a)

Mollusc

b)

Phylum

c)

Domain

d)

Cnidaria

2.

Which is missing: kingdom, phylum, ___, order, family, genus, species.

a)

Ctenophora

b)

Clown fish

c)

Coral

d)

Class

3.

Which are missing: kingdom, phylum, class, ___, family, ____, species.

a)

Order and genus

b)

Order and species

c)

Genus and class

d)

Over and genus

4.

What phylum do comb jellies belong in?

a)

Cnidaria

b)

Porifera

c)

Chordata

d)

Ctenophora

5.

Which phylum does an octopus belong to?

a)

Porifera

b)

Cnidaria

c)

Mollusca

d)

Ctenophora

6.

Which phylum contains some of the most primative organisms that are usually toxic? These include sea sponges

a)

Sponges

b)

Porifera

c)

Cnidaria

d)

Bony fish

7.

Which phylum: segmented limbs, exoskeleton.

a)

Arthropoda

b)

Cnidaria

c)

Mollusca

d)

Aves

8.

Which pylum: stinging cells, many have zoozanthellae living symbiotically

a)

Cnidaria

b)

Echinodermata

c)

Chordata

d)

Mollusca

9.

Which phylum does a shark belong to?

a)

Reptillia

b)

Chondrichthyes

c)

Chordata

d)

Baby shark

10.

Which phylum contains organisms that move using a water vascular system?

a)

Echinodermata

b)

Chordata

c)

Mollusca

d)

Sea stars

11.

Why is DNA important?

a)

it is very small and very complicated

b)

it's in everything

c)

it serves as the blueprint for traits of all living things

d)

because we eat it every day for energy

12.

What determines the code, or information, of a DNA molecule?

a)

the shape (structure) of the nitrogen bases

b)

the order (sequence) of the nitrogen bases

c)

the color of the nitrogen bases

d)

the frequency (number) of nitrogen bases

13.

Which of the following best describes a DNA molecule?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

14.

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

a)

amino acids

b)

nucleotides

c)

fatty acids

d)

polysaccharides

15.

Name this structure

a)

double helix

b)

nucelotide

c)

twisted ladder

d)

hydrogen bond

16.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

17.

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

a)

cytosine

b)

guanine

c)

thymine

d)

uracil

18.

Which of the following units are repeatedly joined together to form a strand of DNA?

a)

nucleotides

b)

amino acids

c)

fatty acids

d)

polysaccharides

19.

The DNA is found in the nucleus of what type of organisms?

a)

Bacteria

b)

Eukaryotes

c)

Prokaryotes

d)

Viruses

20.

DNA codes for...

a)

cholesterol

b)

proteins

c)

fatty acids

d)

carbohydrates

21.

DNA is a polymer made of monomers called

a)

Nucleotides

b)

Proteins

c)

Amino Acids

d)

Lipids

22.

Which 2 molecules form the sides (backbone) of the DNA ladder?

a)

deoxyribose sugar and adenine

b)

deoxyribose sugar and a hydrogen bond

c)

deoxyribose sugar and the nucleus

d)

deoxyribose sugar and phosphate

23.

Which 2 molecules forms the sides (backbone) of the DNA ladder?

a)

deoxyribose and adenine

b)

deoxyribose and a hydrogen bond

c)

sugar and the nucleus

d)

deoxyribose (sugar) and phosphate

24.

Nitrogenous bases are joined by which type of bond?

a)

polar bonds

b)

ionic bonds

c)

covalent bonds

d)

hydrogen bonds

25.

In the classification hierarchy, which taxonomic rank comes directly below 'Order'?

a)

Family

b)

Genus

c)

Class

d)

Species