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.Management Sciences
Category: Biology Mcqs
Which of the following is the empirical formula of chlorophyll b?
0
A. C55H70O5N4Mg
B. C55H72O6N4Mg
C. C55H70O6N4Mg
D. C55H72O5N4Mg
Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?
A. Change in membrane protein composition.
B. Change in the solute composition of the cell membrane which prevents crystallization.
C. Increase in proportion of unsaturated fatty acids.
D. Development of heat shock proteins.
Okazaki fragments are connected together through action of_________________?
A. Primase
B. Polymerase
C. Helicase
D. Ligase
Enteron in coelenterates acts as___________?
A. Digestive cavity
B. Body cavity
C. Transporting cavity
D. all of these
Earthworm is included in_____________?
A. Kingdom Plantae
B. Kingdom Protoctista
C. Kingdom Monera
D. Kingdom Animalia
Which of the following is responsible for Irish potato famine?
A. Dinoflagellates
B. Kleps
C. Physarum polycephalum
D. Phytophthora infestans
Which of the following nephrons play important role in production of concentrated urine?
A. Crotical
B. Medullary
C. Juxtramedullary
D. None of these
Coenocytic hyphae are also known as______________?
A. Septate
B. Perforated hyphae
C. Aseptate
D. Uninucleate hyphae
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