Molecular formula of chlorophyll b is_____________?
(A) C55 H10 O4 N6 Mg
(B) C55 H70 O6 N5 Mg
(C) C55 H71 O6 N4 Mg
(D) C55 H70 O6 N4 Mg
At which times there is no net gaseous exchange between leaves and the atmosphere.
(A) Day time.
(B) Night time.
(C) Dawn & Dusk.
(D) Mid night.
Bacteriochlorophylls does not include________________?
(A) Chlorophyll e
(B) Chlorophyll d
(C) Chlorophyll a
(D) Chlorophyll c
C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:____________?
(A) Photosynthesis
(B) Aerobic respiration
(C) Anaerobic respiration
(D) Respiration
Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
(A) Organic
(B) Energy rich
(C) Energy poor
(D) Reduced
The first action spectrum was obtained by___________?
(A) T.W.Englemam
(B) Malleus
(C) T.W.Inws
(D) W.Stapes
Visible light used in photosynthesis ranges from:__________?
(A) 300 – 700 nm in wavelength
(B) 350 – 750 nm in wavelength
(C) 380 – 750 nm in wavelength
(D) 390 – 790 nm in wavelength.
PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?
(A) 600
(B) 650
(C) 680
(D) 700