The-Living-World Question 766

Question: Electron microscope has revealed the presence of or Which among the following can be seen only under electron microscope [CPMT 1976, 80, 81; NCERT 1979, 81; AFMC 1996; MP PMT 1998]

Options:

A) Ribosome

B) Chromosome

C) Chloroplast

D) Leucoplast

Show Answer

Answer:

Correct Answer: A

Solution:

Electron microscope can magnify the objects up to 2,00,000 times (now possible up to 2,50,000 - 4,00,000) and direct of objects is possible on this microscope.

Presence of ribosomes (size 23nm in diameter) is revealed with the help of electron microscope.