Deficiency of ___________ causes yellowing in plants?
A. Magnesium
B. Iron
C. Chlorine
D. Oxygen
Biology Mcqs
Chlorophylls mainly absorb _________ wavelengths?
Chlorophylls mainly absorb _________ wavelengths?
A. Orange – blue
B. Violet – red
C. Yellow – orange
D. Orange – red.
Complete breakdown of glucose molecule takes place in which of the following?
Complete breakdown of glucose molecule takes place in which of the following?
A. Alcoholic fermentation
B. Lactic acid fermentation
C. Aerobic respiration
D. All of these
Xanthophylls are _________ pigments
Xanthophylls are _________ pigments
A. Yellow
B. Red
C. Orange
D. Green
Glycolysis takes place in____________?
Glycolysis takes place in____________?
A. Nucleus
B. Cytosol
C. Mitochondria.
D. Ribosomes
Chlorophylls are found embedded in the __________ membranes?
Chlorophylls are found embedded in the __________ membranes?
A. Stroma
B. Grana
C. Thylakoid
D. Intergrana
The dense fluid filled region in the chloroplast is____________?
The dense fluid filled region in the chloroplast is____________?
A. Grana
B. Stroma
C. Thylakoid
D. None of these
Photosystem II has molecules which absorbs maximum light of___________?
Photosystem II has molecules which absorbs maximum light of___________?
A. 680 nm
B. 100 m
C. 700 nm
D. 670 nm
In all plants the major sites of phosynthesis are___________?
In all plants the major sites of phosynthesis are___________?
A. Leaves respire and utilize O2 and release CO2.
B. Stems
C. Roots
D. Branches
Of the following, which one light – gathering?
Of the following, which one light – gathering?
A. Antenna complex
B. Reaction centre
C. Photosystem
D. None of these