fertile soil suitable for growing common crops has a pH
value of______?
what is the composition of plant cell wall?
Write about the Protoplasm ?
Can the light of the Full Moon helps in photosynthesis?
Describe the Palaeobotany and Geology?
What is Greenwich mean time?
Which plant fossil is the oldest among the others those found by archeologists?
Explain how does caffeine effect plant growth?
Classify the potato into fruits, roots, stem.
What is the effect of acid rain on spirogyra?
What is an analogy for a smooth endoplasmic reticulum?
What is Colchicum ?
Describe three unusual features of flowers in Asclepias.