Biology MCQs

A. Stroma
B. Grana
C. Thylakoid
D. Intergrana

A. Yellow
B. Red
C. Orange
D. Green

A. Orange – blue
B. Violet – red
C. Yellow – orange
D. Orange – red.

A. Magnesium
B. Iron
C. Chlorine
D. Oxygen

A. Thylakoid
B. Storma
C. Chloroplast
D. Grana

A. Grana
B. Stroma
C. Nucleus
D. None of these

A. Leaves respire and utilize o2 and release co2.
B. Stems
C. Roots
D. Branches

A. Grana
B. Stroma
C. Thylakoid
D. None of these

A. It is a porphyrin ring or tetrapyrrole ring structure
B. It is flat, square and light absorbing
C. Composed of carbon and nitrogen atoms with magnesium as central metal ion, which is coordinated with nitrogen.
D. It is hydrophobic

A. C55h72o5n4mg
B. C55h70o6n4mg
C. C50h72o6n4mg
D. C55h70o5n4mg