Biological Superlatives Quiz - Discover the Extremes in the Biological World

What is the largest organ in the human body?

Heart

Liver

Skin

Lung

Which animal has the longest lifespan in the wild?

Elephant

Galápagos tortoise

Blue whale

Greenland shark

Which is the fastest land animal?

Lion

Cheetah

Greyhound

Horse

What is the largest plant species by mass?

Giant sequoia

Giant kelp

Baobab tree

Redwood

Which animal has the largest brain relative to body size?

Dolphin

Elephant

Human

Chimpanzee

Which is the most poisonous animal on Earth?

Box jellyfish

Poison dart frog

Cone snail

Blue-ringed octopus

Which plant has the largest flower?

Titan arum

Rafflesia arnoldii

Corpse flower

Amorphophallus titanum

What is the largest animal ever known to have existed?

African elephant

Blue whale

Giraffe

Colossal squid

Which insect has the longest lifespan?

Mayfly

Dragonfly

Termite queen

Cockroach

Which is the most rapidly growing plant?

Bamboo

Kelp

Sunflower

Cucumber

Which animal has the largest eyes?

Giant squid

Blue whale

Elephant

Horse

What is the largest known living structure?

Great Barrier Reef

Amazon Rainforest

Sargasso Sea

Grand Canyon

Which mammal is known to have the highest blood pressure?

Elephant

Giraffe

Blue whale

Hippopotamus

Which is the largest reptile?

Saltwater crocodile

Komodo dragon

Leatherback turtle

American alligator

Which animal has the largest brain in relation to its body size?

Human

Dolphin

Elephant

Chimpanzee

Which animal is known for having the strongest bite force?

Great white shark

Nile crocodile

Hippopotamus

Jaguar

Which bird has the largest wingspan?

Albatross

Condor

Eagle

Pelican

Which organism is known to have the highest number of chromosomes?

Fern

Horsetail

Onion

Peach

Which animal has the fastest reflexes?

Housefly

Cheetah

Frog

Dragonfly

Which is the largest species of jellyfish?

Moon jellyfish

Box jellyfish

Lion's mane jellyfish

Portuguese man o' war

Which mammal has the longest gestation period?

Elephant

Whale

Giraffe

Hippo

Which bird is known for the longest migration?

Arctic tern

Swallow

Spoonbill

Hummingbird

Which animal is the largest land predator?

Polar bear

Grizzly bear

Lion

Tiger

Which plant is known for having the largest seed?

Coconut

Avocado

Ginkgo

Jackfruit

Which fish is known for having the longest migration?

Salmon

Eel

Tuna

Shark

Which mammal has the smallest brain relative to its body size?

Elephant

Mouse

Bat

Hedgehog

Which insect is the largest by wingspan?

Atlas moth

Emperor moth

Giant silk moth

Cecropia moth

Which organism has the highest recorded metabolic rate?

Hummingbird

Shrew

Bat

Mouse

Which fish has the largest eyes relative to its body size?

Barreleye fish

Goldfish

Anglerfish

Tuna

Which animal can live without water for the longest period?

Camel

Kangaroo rat

Desert tortoise

Scorpion

Which is the largest land carnivore?

Grizzly bear

Polar bear

Tiger

Lion

Which organism has the largest genome?

Human

Rice plant

Wheat plant

Xylaria fungus

Which mammal has the highest density of sweat glands?

Horse

Human

Dog

Elephant

Which plant is known to produce the most fruit in a single year?

Apple tree

Tomato plant

Grapevine

Pumpkin plant

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