Centric discoid form of diatoms is__________?
Centric discoid form of diatoms is__________?
A. Diplaneis
B. Coscinodiscus
C. Camphyloneiscus
D. Stephanodis
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Golden brown colour of diatoms is due to presence of__________?
Golden brown colour of diatoms is due to presence of__________?
A. Mycoxanthin, mucoxanthin and myxoxanthophylls
B. Alpha and beta carotenes and myxoxanthin
C. Fucoxanthin, diatoxanthin, diadinoxanthin
D. None of the aboveThe arrangement of _________ speaks of the division of labour within cell?
The arrangement of _________ speaks of the division of labour within cell?
A. Molecule
B. Subatomic particles
C. Atoms
D. OrganellesWhat is the percentage of water present in our brain?
What is the percentage of water present in our brain?A. 85%
B. 95%
C. 97%
D. 73%According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
Yellow cytoplasm in ascidian gives rise to______________?
Yellow cytoplasm in ascidian gives rise to______________?
A. Epidermis
B. Muscle cells
C. Gut
D. NotochordHydra has___________?
Hydra has___________?
A. Brain
B. Nerves
C. Neuron-cells
D. All of theseStrong chlorosis is due to the deficiency of _____________ in plants?
Strong chlorosis is due to the deficiency of _____________ in plants?
A. Magnesium
B. Nitrogen
C. Potassium
D. Phosphorus