Oxygen is the production of____________?
Oxygen is the production of____________?A. Mitochonderia
B. Chloroplast
C. Peroxisomes
D. Both A & B
B. Chloroplast
C. Peroxisomes
D. Both A & B
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Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
A. Hydathods
B. Stomata
C. Lenticels
D. None of theseTobacco mosaic virus was crystallized by__________?
Tobacco mosaic virus was crystallized by__________?A. Pasteur
B. Chamberland
C. Stanely
D. IvanowskiIn planaria, numerous small branches which end blindly are called as__________?
In planaria, numerous small branches which end blindly are called as__________?
A. Digestive tract
B. Intestinal caeca
C. Hepatic caeca
D. Both B & CNumber of cervical vertebrae is_____________?
Number of cervical vertebrae is_____________?
A. 5
B. 7
C. 9
D. 12Who is commonly known as “the Father of Microbiology”?
Who is commonly known as “the Father of Microbiology”?A. Charles Darwin
B. Robert Hook
C. Antonie van Leeuwenhoek
D. None of theseGrave’s disease is produced due to____________?
Grave’s disease is produced due to____________?
A. Undersecretion of thyroxin
B. Overproduction of thyroxin
C. Undersecretion of corticosteroids
D. Overproduction of corticosteroids