GK Biology Questions and Answers
General Knowledge Biology Questions with Answers test knowledge of plants, animals, and human biology. Commonly seen in SSC, UPSC, and NDA exams, they help candidates strengthen concepts of life sciences
GK Biology
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77 questions
41. Poison glands of snakes are homologous to
- electric organs of fishes
- stings of rays
- sebaceous glands of mammals
- salivary glands of vertebrates
42. Radical vascular bundles are those in which
- xylem is surrounded by phloem
- phloem is surrounded by xylem
- xylem and phloem occur on the same radius
- xylem and phloem occur on the different radii
43. Plant bends towards the source of light on account of the movement of curvature known as
- geotropism
- thigmotropism
- chemotropism
- phototropism
45. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
- Exact concentration of solution is not given
- Character of semi permeable membrane is not given
- The flow of solution is not possible through semi permeable membrane
- All are incorrect
46. Photosynthesis is a process
- reductive and exergonic
- reductive and catabolic
- reductive, endergonic and catabolic
- reductive, endergonic and anabolic
47. On which of the following plants did Gregor Mendal perform his classical experiment?
- Gram
- Maize
- Pea
- Wheat
49. Norepinephrine increases
- respiration
- urine production
- saliva production
- blood pressure
50. Night blindness is cause by lack of which vitamin?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D