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Write down the biochemical process, which is blocked by sulpha drugs in bacteria.
Why do animals consume moew energy as compared to plants?
Aditya added 1-2 drops of iodine to three test tubes A,B and C, containing 2ml of food samples. A dark blue-black colour appeared in test tubes A and B. The correct order of food samples taken in test tubes A, B and C is:
Give one example of solid and one of liquid fumigant.
What is the term used for subcellular structures having characteristic forms and functions?
What percentage of carbon dioxide is present in the atmosphere?
Give one example of (i) apical meristem and (ii) lateral meristem.
Name the conducting elements of phloem.