Biology MCQS

21. The lack of Vitamin C creates which disease?
A. Night blindness
B. Skin disease
C. Rickets
D. Pernicious anemia

22. Which Vitamin is not stored in the Human Body?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

23. Which body part prevents the entry of food into the trachea?
A. Epiglottis
B. Pharynx
C. Medulla oblongata
D. Tongue

24. The quick healing of a fracture requires a rich supply of:
A. Oxygen
B. Calcium
C. Fats
D. Blood

25. The smallest unit of heredity is:
A. Gene
B. Chromosomes
C. Nucleotide
D. DNA

26. Which element is the most abundant in the human body?
A. Hydrogen
B. Oxygen
C. Carbon
D. Nitrogen

27. Enzymes are organic catalysts made up of:
A. Proteins
B. Carbohydrates
C. Fats
D. Glucose

28. One of the following has no upper incisors?
A. Deer
B. Dog
C. Bear
D. Pig

29. Sacculas relates to which part of Bacteria?
A. Cell wall
B. Cell membrane
C. Chromosome
D. Ribosome

30. Which is the correct order of parts of the air passage ways in man?
A. Nostrils, Nasal cavity, Pharynx, Larynx
B. Nasal cavity, Nostrils, Pharynx, Larynx
C. Nasal cavity, Pharynx, Nostrils, Larynx
D. Nostrils, Pharynx, Larynx, Nasal cavity