The Living World Question 127
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.
BETA
