Community and Games Quizzes

Biology Quiz: Saturday 21st November 2020

Skin is the largest organ in the human body?

Correct! Wrong!

Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

What produces most of the world's oxygen?

Correct! Wrong!

Plankton are tiny living things that live in the water, but can’t swim. They just kinda hang out and move around with the water currents. Phytoplankton take carbon dioxide and sunlight, and make their food. One of the products of this photosynthesis is oxygen. 70% of Earth’s oxygen is made this way.

What substance, found in food, helps move wastes through the body?

Correct! Wrong!

What is a hominid?

Correct! Wrong!

A hominid is a member of the family Hominidae, the great apes: orangutans, gorillas, chimpanzees and humans.

The brain is divided into how many lobes?

Correct! Wrong!

Each side of your brain contains four lobes. The frontal lobe is important for cognitive functions and control of voluntary movement or activity. The parietal lobe processes information about temperature, taste, touch and movement, while the occipital lobe is primarily responsible for vision. The temporal lobe processes memories, integrating them with sensations of taste, sound, sight and touch.

What is the scientific term for the production of light by living organisms?

Correct! Wrong!

Bioluminescence is the production and emission of light by a living organism. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some bioluminescent bacteria, and terrestrial arthropods such as fireflies.

Which of the following has more bones?

Correct! Wrong!

An adult has 206 bones, but a newborn baby has nearly 300 bones in her body. This is because babies have more flexible cartilage (a firm tissue softer than bone) in the body. As the child grows, some of the cartilage hardens and turns to bone, and some bones fuse together.

Which of the following has the longest recorded life span?

Correct! Wrong!

Greenland sharks are currently the vertebrate species with the longest known lifespan. An examination of 28 specimens in one study published in 2016 determined by radiocarbon dating that the oldest of the animals that they sampled had lived for about 392 ± 120 years (a minimum of 272 years and a maximum of 512 years).

What’s the medical term for low blood sugar?

Correct! Wrong!

Low blood sugar is a condition that occurs when the body's blood sugar (glucose) decreases and is too low. Blood sugar below 70 mg/dL (3.9 mmol/L) is considered low. Blood sugar at or below this level can be harmful. The medical name of low blood sugar is hypoglycemia.

What is the hardest substance in the human body?

Correct! Wrong!

Tooth enamel is the hardest substance in the body. The shiny, white enamel that covers your teeth is even stronger than bone.

Daily Quiz: Saturday 21st November 2020
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