Which organisms are sometimes called the ” pastures of the sea”?
Which organisms are sometimes called the ” pastures of the sea”?
A. Diatoms
B. Radiolarians
C. Dinoflagellates
D. Foraminiferans
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Like enzymes , co enzyme can be used ?
Like enzymes , co enzyme can be used ?A. only once
B. only few times
C. again and again
D. non of aboveGuard cells of stoma are ________ ?
Guard cells of stoma are ________ ?A. Irregular in shape
B. Convex in shape
C. Long and cylindrical in shape
D. Kidney-shapedPick the odd one out
Pick the odd one out
A. Psilophyton
B. Rhynia
C. Cooksonia
D. PsilotumIn acoelomates gut is ________ in origin.
In acoelomates gut is ________ in origin.
A. Ectodermal
B. Endodermal
C. Mesodermal
D. None of theseThe number of alveoli in human lungs is estimated to be around:_________?
The number of alveoli in human lungs is estimated to be around:_________?A. 150 millions
B. 500 millions
C. 800 millions
D. 1 billionProteins are polymers of___________?
Proteins are polymers of___________?
A. Fatty acids
B. Isoprenoid units
C. Amino acids
D. Nucleotides