Practice Biology Questions and Answers

• What is the structural and functional unit of the kidneys?
• What substance is stored and concentrated in the gall bladder?
• Tuberculosis is a disease of the ______.
• Which of these is NOT an infectious disease?
• Which disease causes excess swelling of the legs?
• An organism feeding on multiple hosts in its lifetime is called-
• The part of the muscle which shortens to create contraction is the-
• Which human organ contains the 'Islets of Langerhans?'
• Which of these helps to diagnose a heart problem?
• Which antibiotic was discovered by Alexander Fleming in 1928
• __________ is an oil yielding plant.
• The deficiency of______ causes scurvy.
• Whooping cough is also called as
• The Sun and the stars glow because of the presence of __________ in them.
• What is the medico-legal name given to the dissection and study of a dead human body?
• Where is the pituitary gland located in the human body?
• Which hormone regulates the amount of sugar in human blood?
• Which is the only muscle in the human body that is NOT attached at both the ends?
• Arthritis is a disease that affects the-
• What is the botanical name for an apple?
• Who discovered the cell in 1665?
• In which part of the human body are villi found?
• What is the scientific study of algae known as?
• To which kingdom does the amoeba belong?
• Which part of the human brain is located above the medulla and below the midbrain?
• Which of the given pairs (Human Disease - Causative Microorganism - Mode of Transmission) is incorrect?
• Match List I with List II: List I  (Hormone) ---     List II (Endocrine Gland)   A) Insulin             ---       1) Pituitary gland  B) E...
• Under the electron microscope, which cell organelle is visible as either clusters or single, small dots that float freely in the cytoplasm?
• Which of the following is essential for the synthesis to thyroxin?
• What is the average lifespan of a human red blood cell (RBC)?
• Goitre can result from a deficiency of which mineral?
• How many base pairs are there in human mitochondrial DNA?
• What is the primary use of propolis, a resinous substance produced by honeybees?
• Which cells are responsible for producing the myelin sheath in the nervous system?
• Which vitamin is crucial for preventing excessive bleeding in newborns?
• What part of the Litchi fruit is commonly consumed?
• Which of these is considered a non-living part of the cell?
• What is the outer layer of a dental crown called?
• Fibrin, a fibrous protein, plays a crucial role in which of the following processes?
• Human African trypanosomiasis, also known as sleeping sickness, is caused by which of the following?