991. Xanthophylls are _________ pigments
A. Yellow
B. Red
C. Orange
D. Green

992. 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

993. Chlorophylls mainly absorb _________ wavelengths?
A. Orange – blue
B. Violet – red
C. Yellow – orange
D. Orange – red.

994. Deficiency of ___________ causes yellowing in plants?
A. Magnesium
B. Iron
C. Chlorine
D. Oxygen

995. In alcoholic fermentation Pyruvic acid is broken down into?
A. Acetaldehyde
B. Methyl alcohol
C. Ethyl alcohol
D. Lactic acid

996. The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?
A. Hydrophilic
B. Hydrophobic
C. Both of these
D. None of these

997. The most important photosynthetic pigment is ___________?
A. Chlorophyll a
B. Chlorophyll b
C. Xanthophyll
D. Carotenes

998. In which of the following component of the body, lactic acid fermentation takes place?
A. Brain
B. Heart
C. Liver
D. Muscles

999. Final acceptor of electrons in respiratory chain is____________?
A. NADH
B. Cytochrome a3
C. Water
D. Oxygen

1000. In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?
A. 1%
B. 2%
C. 3%
D. 4%