General Knowledge - Biology

Exercise : Biology - Section 1
  • Biology - Section 1
76.
Pollen grains in plants are produced in
roots
leaves
flower
stem
Answer: Option
Explanation:
No answer description is available. Let's discuss.

77.
Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
By cyanobacteria
By electrical discharges in the atmosphere
By industrially synthesised fertilizer
By denitrification
Answer: Option
Explanation:
No answer description is available. Let's discuss.

78.
Ptyalin is an enzyme produced in the
salivary glands
pituitary glands
thyroid glands
pancreas
Answer: Option
Explanation:
No answer description is available. Let's discuss.

79.
Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
tetanus
influenza
cholera
typhoid
Answer: Option
Explanation:
Vibrio cholerae (also Kommabacillus) is a gram negative comma-shaped bacterium with a polar flagellum that causes cholera in humans