Which element is located at the centre of the porphyrin ring in chlorophyll?
Manganese
Calcium
Magnesium
Potassium
All types of plastids possess essentially the same structure because they:
Perform the same function
Stored food materials like starch, fat and protein
Occur in aerial parts
Can transform from one form to another
Choose the correct match:
Bladderwort, Sundew, Venus fly trap
Nepenthes, Dionea, Drosera
Nepenthes, Utricularia, Vanda
Utricularia, Drosera, Dionea
Dionea, Trapa, Vanda
Boron in green plants assists in:
Sugar transport
Activation of enzymes
Acting as enzyme cofactor
Photosynthesis
Which of the following is a symbiotic nitrogen fixer?
Glomus
Azotobacter
Frankia
Azolla
In the leaves of C4- plants, malic acid formation during CO2 fixation occurs in the cells of:
Mesophyll
Bundle sheath
Phloem
Epidermis
Maximum solar energy is trapped by:
Planting trees
Cultivating crops
Growing algae in tanks
Growing grasses
Cytochrome is :
Metallo flavo protein
Fe - containing porphyrin pigment
Glycoprotein
Lipid
Which aquatic fern performs nitrogen fixation?
Nostoc
Salvia
Salvinia
Carbon dioxide joins the photosynthetic pathway in:
PS-I
PS-II
Light reaction
Dark reaction
