Viruses
Can viruses be seen with the naked eye?
No, they can't.
Were bacteria the first forms of life to appear on Earth?
Yes, they were.
What is the largest animal on Earth?
It is a blue whale.
What is the fastest terrestrial animal?
It is the cheetah.
What type of energy does photosynthesis use?
It uses solar energy.
Are viruses considered living organisms?
No, they aren't.
Is Escherichia Coli (E. coli) a virus or a bacteria?
It is a bacteria.
How many hearts does an octopus have?
They have 3 hearts.
Which animal causes the most human deaths each year?
Mosquitoes are by far the deadliest creatures to humans.
Is a maple tree a conifer or a broad-leaved tree?
A maple tree is a broad-leaved tree.
True or false: viruses reproduce by introducing their DNA into the host cell.
True or false: the genome (genetic information) of the bacteria consists of RNA.
It is false.
What colour is a polar bear's skin?
Its skin is black.
Which bird lays the largest egg?
It is the ostrich.
Is aloe toxic for cats?
Yes, it is.
What is the name of the famous virus causing hemorrhagic fever that has produced outbreaks in some African countries?
The Ebola Virus.
In the human body, what is the place where there are the most bacteria?
It is the gut.
What is the only animal where the male is the one giving birth?
It is the sea horse.
Are girafes herbivores, carnivores or omnivores?
They are herbivores.
Which pepper is the spiciest?
It is the Carolina Reaper.
Is a virus an akaryocyte, a prokaryote or a eukaryote?
It is an akaryocyte.
What differentiates a Gram-positive bacterium from a Gram-negative bacterium?
It is the structure of their cell wall.
How many bronchial clefts does a shark have?
From 5 to 7 bronchial clefts
Which of these following land animals is not facing extinction?
The mountain gorilla, the giant panda, the black rhinoceros or the Sumatran orangutan.
It is the giant panda.
What is the name of the science studying plants?
It is botanical science.