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Biology Quiz Stats

Quiz Updated Mar 10, 2017

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Score 0/20 Timer 05:00
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Question Answer Wrong Answers
The twisted ladder shape of DNA is called a: Double Helix
93%
Double Phosphate
0.9%
Double Bond
1.7%
Double Membrane
1.1%
What does 'DNA' stand for? Deoxyribonucleic acid
82.2%
Deoxynucleic acid
9.2%
Deribonucleic acid
2.6%
Deoxyribonuclear acid
5.9%
Normal human males have which of the following sex chromosome combinations? XY
81.2%
XX
10.4%
XO
1.8%
OO
0.5%
Which of these is the primary protein found in hair? Keratin
77.3%
Collagen
9.9%
Elastin
1.6%
Fibroin
3.6%
Biodiversity is greatest in what biome? Rainforest
76.6%
Taiga
2.1%
Temperate forest
9.8%
Savanna
2.8%
A scientific name contains information about its: Genus and species
74.8%
Family and species
10.1%
Phylum and order
6.1%
Class and family
4.4%
All organisms in the kingdom Animalia are: Multicellular and heterotrophic
74.8%
Unicellular and heterotrophic
3.5%
Multicellular and autotrophic
15.4%
Unicellular and autotrophic
2.5%
The number of chromosomes found in an unfertilized human egg cell is: 23
73.1%
12.5
2.2%
46
17.3%
92
1.8%
Which biome is characterized by a layer of permafrost? Tundra
70.9%
Taiga
12.9%
Savanna
3.7%
Chaparral
3.9%
Adenine always pairs with: Thymine
65.3%
Guanine
19.9%
Cytosine
9.4%
Ribose
4.5%
In eukaryotes, the cell cycle is monitored by: Proteins
63%
Lipids
17%
Carbohydrates
11.1%
Fats
3%
The rungs of the DNA ladder are made of: Base pairs
59.5%
Phosphates and hydrogen
8.8%
Glucose and sugars
11%
Sugars and phosphates
19%
The current taxonomic classification system was devised by: Linnaeus
58.8%
Aristotle
4.5%
Plato
3.6%
Darwin
27.7%
The DNA strands are held to each other by: Hydrogen bonds
58.2%
Carbon bonds
18.4%
Glucose
7%
Lipids
13.7%
Which of the following groups would contain the largest number of organisms? Phylum
53.8%
Class
12.6%
Order
17.6%
Family
11.9%
What do plants and animals have in common? Both are eukaryotic
52.5%
Both are heterotrophic
24.3%
Both are autotrophic
6.3%
Both are prokaryotic
11.9%
Which two biomes are the most similar with regard to rainfall? Tundra and desert
48.9%
Tundra and taiga
16.8%
Rainforest and savanna
14.7%
Temperate forest and prairie
11.4%
Which of the following animals have incisors that continue to grow its entire life? Hamster
36%
Elephant
15.5%
Walrus
35.6%
Rhinoceros
5.5%
Which of the following groups contains mammals that lay eggs? Monotreme
34.1%
Marsupial
34.6%
Chiroptera
17.9%
Rodentia
7%
Which order of mammals has the largest number of species? Rodentia
28.2%
Chiroptera
3.6%
Carnivora
17.8%
Insectivora
43.5%

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