Diatom frustule/ shell is made of_____________?
Diatom frustule/ shell is made of_____________?
A. Silica
B. Calcium carbonate
C. Manesium carbonate
D. Both B. and C.
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In 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 & COuter surface of bones is covered by a dense layer of connective tissue, called as ___________ ?
Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ?A. Periosteum
B. Woven bone
C. Epithelium lining
D. Connective liningRibosomes were discovered by_______?
Ribosomes were discovered by_______?
A. Golgi
B. De Duve
C. Palade
D. R.BrownWhich of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?
Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?
A. A specific organism can always be found in association with a given disease
B. The organism can be isolated and grown in pure culture in the laboratories
C. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.
D. It is possible to recover the organism in pure culture from the experimentally infected animalsoperculum is present in________?
operculum is present in________?A. bony fish
B. sea fish
C. cartilaginous fish
D. None of theseAn infectious disorder of respiratory system is_________________?
An infectious disorder of respiratory system is_________________?
A. Cancer
B. Asthma
C. Tuberculosis
D. Emphysema