Science Quiz

Random Science or Biology Quiz
Score 0/20 Timer 05:00
8 Plays Today
Question Answer Wrong Answers
The twisted ladder shape of DNA is called a: Double Helix
89.7%
Double Phosphate
1.3%
Double Bond
2.8%
Double Membrane
1.9%
What does 'DNA' stand for? Deoxyribonucleic acid
80.6%
Deoxynucleic acid
9.2%
Deribonucleic acid
2.8%
Deoxyribonuclear acid
7%
Normal human males have which of the following sex chromosome combinations? XY
77.4%
XX
11.2%
XO
2.2%
OO
0.8%
Which of these is the primary protein found in hair? Keratin
72.5%
Collagen
9.8%
Elastin
2.4%
Fibroin
4.6%
All organisms in the kingdom Animalia are: Multicellular and heterotrophic
71.6%
Unicellular and heterotrophic
4.6%
Multicellular and autotrophic
15.5%
Unicellular and autotrophic
3.2%
The number of chromosomes found in an unfertilized human egg cell is: 23
70.8%
12.5
2.8%
46
16.9%
92
2%
A scientific name contains information about its: Genus and species
70.8%
Family and species
10.8%
Phylum and order
7.1%
Class and family
5.1%
Biodiversity is greatest in what biome? Rainforest
69.5%
Taiga
3%
Temperate forest
11.1%
Savanna
4%
Adenine always pairs with: Thymine
67.4%
Guanine
16.6%
Cytosine
8.9%
Ribose
5.1%
Which biome is characterized by a layer of permafrost? Tundra
63.2%
Taiga
13.4%
Savanna
5.9%
Chaparral
5.4%
In eukaryotes, the cell cycle is monitored by: Proteins
60.9%
Lipids
16.4%
Carbohydrates
11.3%
Fats
3.2%
The DNA strands are held to each other by: Hydrogen bonds
60.7%
Carbon bonds
16%
Glucose
6.9%
Lipids
12.8%
What do plants and animals have in common? Both are eukaryotic
55.7%
Both are heterotrophic
20.4%
Both are autotrophic
5.9%
Both are prokaryotic
11.3%
The rungs of the DNA ladder are made of: Base pairs
54.8%
Phosphates and hydrogen
10.2%
Glucose and sugars
10.9%
Sugars and phosphates
21.5%
The current taxonomic classification system was devised by: Linnaeus
54.4%
Aristotle
5.9%
Plato
5%
Darwin
27.4%
Which of the following groups would contain the largest number of organisms? Phylum
52.8%
Class
12.8%
Order
14.5%
Family
14.3%
Which two biomes are the most similar with regard to rainfall? Tundra and desert
41.7%
Tundra and taiga
16.1%
Rainforest and savanna
17.9%
Temperate forest and prairie
12.6%
Which of the following animals have incisors that continue to grow its entire life? Hamster
34%
Elephant
15.6%
Walrus
32.3%
Rhinoceros
7.8%
Which of the following groups contains mammals that lay eggs? Monotreme
32.5%
Marsupial
32.3%
Chiroptera
16.9%
Rodentia
9.2%
Which order of mammals has the largest number of species? Rodentia
25.9%
Chiroptera
4.3%
Carnivora
21.3%
Insectivora
38.8%

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