Biology & Life Sciences Quiz
Biology & Life Sciences · Expert
20 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 20 questions in this Biology & Life Sciences quiz
-
How many sense organs do humans have?
- A. 6
- B. 5
- C. 7
- D. 4
-
Which atmospheric layer is closest to Earth?
- A. Thermosphere
- B. Mesosphere
- C. Stratosphere
- D. Troposphere
-
Which part of eye controls light entry?
- A. Pupil
- B. Cornea
- C. Retina
- D. Lens
-
Which hormone regulates blood sugar levels?
- A. Insulin
- B. Adrenaline
- C. Estrogen
- D. Thyroxine
-
What is the study of relationships between organisms and environment?
- A. Chemistry
- B. Biology
- C. Ecology
- D. Physics
-
Which part of the cell is the powerhouse?
- A. Golgi Body
- B. Ribosome
- C. Nucleus
- D. Mitochondria
-
Which blood group is known as the universal donor?
- A. A
- B. O
- C. B
- D. AB
-
What is the most common blood type?
- A. B negative
- B. O positive
- C. A positive
- D. AB negative
-
Which animal is king of jungle?
- A. Elephant
- B. Leopard
- C. Lion
- D. Tiger
-
Which insect produces silk?
- A. Silkworm
- B. Butterfly
- C. Honeybee
- D. Ant
-
What part of brain controls balance?
- A. Medulla
- B. Cerebrum
- C. Cerebellum
- D. Spinal cord
-
Which plant is known as the 'living fossil'?
- A. Pine
- B. Moss
- C. Fern
- D. Ginkgo Biloba
-
Which animal is the fastest?
- A. Lion
- B. Leopard
- C. Cheetah
- D. Horse
-
Which organism is used for fermentation in bread?
- A. Bacteria
- B. Algae
- C. Virus
- D. Yeast
-
Which organ is known as the 'graveyard of RBCs'?
- A. Kidney
- B. Spleen
- C. Liver
- D. Heart
-
What do tendons connect?
- A. Muscle to muscle
- B. Bone to bone
- C. Nerve to bone
- D. Muscle to bone
-
What gas is released in photosynthesis?
- A. Oxygen
- B. Hydrogen
- C. Nitrogen
- D. CO2
-
What is the study of microorganisms called?
- A. Zoology
- B. Microbiology
- C. Botany
- D. Macrobiology
-
What is the medical term for high blood pressure?
- A. Hypertension
- B. Anemia
- C. Hyperglycemia
- D. Hypotension
-
Which vitamin helps in blood clotting?
- A. A
- B. B
- C. K
- D. D