Organism
Animal
Human
Plant
Bigger
100
Which animal has pink milk?
Hippopotamus
100
Which animal can live without head?
Cockroaches is the only insect, which can live without their head for more than a week.
100
How long does eyelash live?
The life of an eyelash is no more than 5 months.
100
What is one of the oldest living tree species?
Ginkgo (Ginkgo biloba) is one of the oldest living tree species, it dates back to about 250 million years ago
100
Which animal "destroy" the environment?
Cows
200
What is the largest living organism in the world?
There is a giant 2,400 year old mushroom in Oregon, its roots cover 2,200 acres of land making it the largest living organism in the world
200
How many eyes does a butterfly have?
12000
200
What are the biggest and smallest cells in human's body?
the female egg and the male sperm
200
What is the fastest growing plants?
Bamboo (0.91m per day)
200
An ostrich's eye is bigger than its _______
brain
300
How many hearts does octopus have?
3
300
Why do cats meow?
Cats only meow because it’s a way of communicating with humans.
300
During which time of the day is the brain most active?
During night time
300
What is the largest flower in the world?
Rafflesia Arnoldii 大王花/食人花. It can grow as big as an umbrella.
产自马来西亚、印度尼西亚的爪哇、苏门答腊等热带雨林中。是世界上花朵最大的植物。大王花在当地叫 Bungapatma，意思是“荷叶般硕大的花”，以花朵巨大而气味恶臭著称，有“世界花王”的美誉，是一种腐生植物。
300
By 2050, there could be more ________ than fish in the world’s oceans.
plastic
400
Sunflowers face the sun. Where do they face when they cannot find the sun?
They face each other.
400
Which animal is the closest living relative to the T-Rex?
The chicken
400
In the span of your life, how much saliva do you produce?
The amount is equal to two Olympic sized swimming pools （50m*25m*3m）
400
Which fruit can make people feel happy?
Bananas contain a natural chemical （serotonin 血清素） which can make people feel happy.
400
What is the largest living structure on Earth?
The Great Barrier Reef at over 2000 km long
500
How many insects do you eat every year?
The average person accidentally eats 430 bugs each year of their life.
500
What is the national animal of Scotland?
The unicorn
500
What is the strongest muscle in human?
The strongest muscle in the human body is the masseter, or the jaw muscle
500
From the bark of which tree did the first type of aspirin, painkiller and fever reducer come from?
The tree bark of a willow tree.
500
If you took out all the empty space in our atoms, the human race could fit in the volume of a s_____ c_____
sugar cube