A. They are used against microorganisms
B. They are always effective against bacteria
C. They are used in diseases like tuberculosis and pneumonia
D. They are derived from bacteria only
Show AnswerAnswer = Option D
Biology Introduction
Which disease has been totally eradicated from the world because of effective vaccination?
A. Measles
B. Polio
C. Small pox
D. Hepatitis
Show AnswerAnswer = Option C
Vaccine was first developed by
A. Louis Pasture
B. Edward Jenner
C. Jaber Ibn Hayan
D. Aristotle
Show AnswerAnswer = Option B
What is the mode of transmission of Hepatitis virus?
A. Aerosol
B. Parentral (via blood)
C. Skin penetration
D. Unknown
Show AnswerAnswer = Option B
Which statement is incorrect for pasteurization?
A. It is used to preserve yogurt and milk
B. It was developed by Louis Pasteur.
C. It involves heating the substance at high temperature for just few sec.
D. It can be used to preserve vegetables and meat.
Show AnswerAnswer = Option D
Production of genetically identical copies of organisms/cells by asexual reproduction is called
A. Mitosis
B. Replication
C. Cloning
D. Biological control
Show AnswerAnswer = Option C
Breeders have developed new and better varieties of food items by using which technique:
A. Pasteurization
B. Hydroponic culture technique
C. Genetic engineering
D. Biological control techniques
Show AnswerAnswer = Option C
Conclusion of Mendels work latter became a
A. Scientific hypothesis
B. Theory
C. Scientific law
D. Productive theory
Show AnswerAnswer = Option C
Which one is not correct for a productive theory?
A. It is predictive
B. It has explanatory power
C. It discourages suggestion of different hypotheses
D. None of these
Show AnswerAnswer = Option C
A series of hypothesis supported by the results of many tests is called
A. Scientific law
B. Theory
C. Data
D. Deduction
Show AnswerAnswer = Option B