Tag: cell structure

Questions Related to cell structure

Multiple choice bio-chemistry cell structure animal cells vs plant cells comparing plant and animal cells comparison between animal and plant cell

Which of the following is found in plant cells, but not in animal cells?

  1. Cell wall

  2. Nucleus

  3. Endoplasmic reticulum

  4. Mitochondria

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • The cell wall is a unique structure present in plant cells. It is found as an outer covering to the plasma membrane. 
  • The cell wall is made up of cellulose, pectin, etc, according to whether it is seen in plants, fungi or bacteria.
Multiple choice bio-chemistry cell structure membrane bound organelles cell: size and differentiation microscopy

Which of the following statements is false?

  1. Electrophoresis can help separate proteins.

  2. Image formed by compound microscope is vertical and erect.

  3. An angstrom is one-hundredth of a micron.

  4. Unstained living cells can be studied with the help of a phase-contrast microscope.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An angstrom is 10^-10 meters, while a micron is 10^-6 meters. Therefore, an angstrom is 10^-4 of a micron, not one-hundredth. The other statements are standard biological/microscopy facts.