Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch make it useful as a storage material?
Easily translocated
Chemically non reactive
Easily digested by animals
Easily diffused
Cytochrome is:
Metallo flave protein
Iron - containing porphyrin pigment
Glycoprotein
Lipid
Greatest producers of organic matter are _____________.
crop plants
forests
oxalo acetic acid
phosphoglyceric acid
Which element is located at the centre of the prophyrin ring in chlorophyll?
Manganese
calcium
Magnesium
Potassium
Stomata of CAM plants:
Never open
Are always open
Open during the day and close at right
Open during the night and close during the day
During photorespiration, the oxygen consuming reaction occur in:
Stroma of chloroplasts and peroxisomes
Grana of chloroplasts and peroxisomes
Stroma of chloroplasts
Stroma of chloroplasts and mitochondria
Which one occurs both during cyclic and non cyclic modes of photophosphorylation?
Involvement of both PS I and PS II
Formation of ATP
Release of O2
Formation of NADPH
Light reaction takes place in
Stroma
Matrix
Grana
Fret
Which pair is wrong ?
C3 - Maize
C4 - kranz anatomy
Calvin cycle - PGA
Hatch and slack pathway - oxalo acetic acid
Which is not a photosynthetic pigment?
Xanthophyll
Carotein
Phycocyanin
Anthocyanin