Stem modified into flattened photosynthetic structure is:

Related MCQs

• Modified stem of _______ protect the plant from grazing animal.
• Anaerobic photosynthetic bacteria appeared on the earth about ______.
• Match the names of scientists given under Column – I with their important contributions given under Column – II ; choose the answer which gives correct combination of the alphabets : Column – I(Scientists) Column – II(Contributions) P. Peter Mitchell (i) Steps of dark reaction of photosynthesis. Q. J.W. Gibbas (ii) Photosynthetic phosphorylation R. Danial Arnon (iii) Concept of free energy S. Melvin Calvin (iv) Chemiosmotic hypothesis (v) Mass flow hypothesis
• Match the names of scientists given under Column – I with their important contributions given under Column – II ; choose the answer which gives correct combination of the alphabets : Column – I(Scientists) Column – II(Contributions) P. Peter Mitchell (i) Law of limiting factor Q. Blackmann (ii) Dark reaction R. Daniel Arnon (iii) Photosynthetic phosphorylation S. Melvin Calvin (iv) Chemiosmotic hypothesis t. Mass flow hyposhesis
• It is estimated that about 85% of the earth’s photosynthetic activity is carried out by
• Which of the following gas would disappear from the atmosphere if all the photosynthetic activities were to stop?
• Thorn is a stem structure because it:
• When the stem or its branch ends into floral bus:
• Petiole is modified into tendril in
• The leaves are modified into tendrils, hooks, pitcher ,and bladder in the following plants respectively: