List of top Biotechnology Questions on Animal Cell Culture asked in CBSE CLASS XII

How can you differentiate between cancerous and non-cancerous cells in culture by microscopic examination? Give one example of each of such cell types.

Although not required for cell growth, antibiotics are one of the most essential components of animal cell culture medium. Why? Give examples of two such antibiotics often used in animal cell culture medium.

Why is an inverted microscope required to observe animal cell cultures?

The incubators used to culture mammalian cells are maintained at:

Although not required for cell growth, antibiotics are added in animal cell culture medium. Give reason. Name two such antibiotics.

Two statements are given – one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the codes given below:
Assertion (A): CO₂ incubators prevent the desiccation of the animal cell culture medium.
Reason (R): A pan of water is kept at all times in a CO₂ incubator chamber to maintain high relative humidity.

The technique to isolate and grow human embryonic stem cells in culture was developed by:

________________________ cultures can be maintained for a prolonged period of time by repeated sub-culturing.