Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
A. B1
B. B2
C. B12
D. B6
Biology Mcqs
It is very serious disease of brain which is caused by fungi________?
A. ring worm
B. meningitis
C. hepatitis
D. none of these
They are widespread as protective coatings on fruits and leaves?
A. cholesterol
B. waxes
C. chitin
D. all of these
They are present in the underground parts of the plants and stored food?
A. leucoplast
B. chromoplast
C. chloroplast
D. stem
The simplest amino acid is_________?
A. alanine
B. glycine
C. valine
D. phenylalanine
Accumulation of lipid molecules in brain cells lead to__________?
A. paralysis
B. oedema
C. mental retardation
D. all of these
Accumulation of lipid molecules in brain cells lead to____________?
A. paralysis
B. oedema
C. mental retardation
D. all of these
The life and activities of a cell is controlled by__________?
A. cytoplasm
B. nucleus
C. vacuole
D. mitochondria
Flagella are composed of________?
A. micro tubules
B. micro filaments
C. intermediate filaments
D. glycoproteins
Tobacco mosaic virus was crystallized by__________?
A. Pasteur
B. Chamberland
C. Stanely
D. Ivanowski