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.Management Sciences
Category: Biology Mcqs
They are widespread as protective coatings on fruits and leaves?
0
A. cholesterol
B. waxes
C. chitin
D. all of these
Chlorophyll is insoluble in_____________?
A. Carbon tetrachloride
B. Alcohol
C. Organic solvents
D. Water
Molecular formula of chlorophyll b is_____________?
A. C55 H10 O4 N6 Mg
B. C55 H70 O6 N5 Mg
C. C55 H71 O6 N4 Mg
D. C55 H70 O6 N4 Mg
Type of lichen which tightly attaches to rocks is_____________?
A. Parmelia
B. Fruticose
C. Foliose
D. Crustose
Most cell membranes are composed principally of ?
A. DNA ad protein
B. Protein and Lipids
C. Protein and Chitin
D. Protein and RNA
Production of two types of spores is known as________________?
A. Heterospory
B. Homospory
C. Heterogamy
D. Gamospory
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