Draw labelled diagrams of a. Female and | Class 11 Biology Chapter Plant Kingdom, Plant Kingdom NCERT Solutions

Define a taxon. Give some examples of taxa at different hierarchical levels.

What are the steps involved in formation of a root nodule?

What does ‘S’ refer in a 70S & an 80S ribosome?
 

Complete the following:
a. urinary excretion = tubular reabsorption + tubular secretion –
b. Dialysis fluid = Plasma–

Common name of some animals are given in Column A, write their scientific name in Column B.
Column A Column B
a. Tiger ________________
b. Peacock ________________
c. Housefly ________________
 

Brinjal and potato belong to the same genus Solanum, but to two different species. What defines them as seperate species?
 

Medicines are either man made (i.e., synthetic) or obtained from living organisms like plants, bacteria, animals etc. and hence the latter are
called natural products. Sometimes natural products are chemically altered by man to reduce toxicity or side effects. Write against each of
the following whether they were initially obtained as a natural product or as a synthetic chemical.
a. Penicillin ___________________________
b. Sulfonamide ___________________________
c. Vitamin C ___________________________
d. Growth Hormone ___________________________
 

Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.