Identify the correct order of organisation of genetic material from largest to smallest :

A. Genome, chromosome, nucleotide, gene

B. Genome, chromosome, gene, nucleotide

C. Chromosome, genome, nucleotide, gene

D. Chromosome, gene, genome, nucleotide

A. without nucleus

B. undergoing division

C. without cell wall

D. without plasma membrane

A. the resolving power of the electron microscope is 200-350 nm as compared to 0.1-0.2 for the light microscope

B. electron beam can pass through thick materials, whereas light microscopy requires thin sections

C. the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons

D. the resolution power of the electron microscope in much higher than that of the light microscope

A. Blue

B. Green

C. Yellow

D. Red