Biology & Life Sciences Quiz
Biology & Life Sciences · Hard
19 questions · Unlimited attempts · Free online practice
Life on Earth exists in an extraordinary variety of forms, from microscopic cells to towering trees and complex animal species. Biology helps us understand how living organisms gro...
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All 19 questions in this Biology & Life Sciences quiz
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What is the powerhouse of cell?
- A. Golgi body
- B. Mitochondria
- C. Nucleus
- D. Ribosome
-
Which tree species is the oldest living organism on Earth?
- A. Giant Sequoia
- B. Redwood
- C. Baobab
- D. Bristlecone Pine
-
Which animal is a mammal that lays eggs?
- A. Opossum
- B. Kangaroo
- C. Koala
- D. Platypus
-
Which animal has three hearts?
- A. Octopus
- B. Whale
- C. Elephant
- D. Shark
-
What is the most common blood type?
- A. B negative
- B. O positive
- C. A positive
- D. AB negative
-
Which enzyme digests protein?
- A. Amylase
- B. Lipase
- C. Trypsin
- D. Pepsin
-
Which animal is a 'keystone species'?
- A. Fly
- B. Mosquito
- C. Pigeon
- D. Sea Otter
-
Which scientist proposed evolution?
- A. Einstein
- B. Galileo
- C. Darwin
- D. Newton
-
Which bird was famously affected by DDT?
- A. Pigeon
- B. Sparrow
- C. Bald Eagle
- D. Robin
-
What is the study of birds called?
- A. Entomology
- B. Ichthyology
- C. Herpetology
- D. Ornithology
-
Which plant is known as the 'living fossil'?
- A. Pine
- B. Moss
- C. Fern
- D. Ginkgo Biloba
-
Which organ is known as the 'graveyard of RBCs'?
- A. Kidney
- B. Spleen
- C. Liver
- D. Heart
-
Which animal never drinks water in its entire life?
- A. Elephant
- B. Camel
- C. Kangaroo Rat
- D. Snake
-
Which part of the cell is known as the 'protein factory'?
- A. Vacuole
- B. Ribosome
- C. Mitochondria
- D. Nucleus
-
How many valves does a human heart have?
- A. 3
- B. 2
- C. 4
- D. 5
-
Which part of the brain controls balance and coordination?
- A. Cerebrum
- B. Brainstem
- C. Cerebellum
- D. Thalamus
-
How many pairs of ribs does a human have?
- A. 14
- B. 24
- C. 10
- D. 12
-
Which organelle is absent in animal cell?
- A. Mitochondria
- B. Cell wall
- C. Nucleus
- D. Ribosome
-
Which organ uses insulin?
- A. Kidney
- B. Stomach
- C. Liver
- D. Pancreas