Biotechnology - MCQ Practice Questions

Which of the following is the most commonly used culture medium for animal cell culture in laboratories?

What is the primary purpose of using a laminar flow hood in cell culture?

Which of the following characteristics is essential for continuous cell lines?

What is the normal pH range required for optimal mammalian cell culture?

Which hormone is most critical for cell growth and proliferation in serum-containing culture media?

What is the significance of calculating the cell doubling time in cell culture?

Which of the following is NOT a method for cryopreservation of cell cultures?

What is the Hayflick limit?

Which technique is used to determine cell viability immediately after thawing from cryopreservation?

What is the primary advantage of using serum-free media in cell culture?

Which of the following best describes contact inhibition in normal cell cultures?

An animal cell culture shows signs of contamination with bacteria. Which characteristic would NOT be observed?

What is the optimal CO₂ concentration typically maintained in mammalian cell culture incubators?

Which of the following applications of cell culture is most relevant for drug testing in India's pharmaceutical industry (2024-2025)?

What is the primary limitation of primary cell cultures compared to continuous cell lines?

A researcher observes that their CHO (Chinese Hamster Ovary) cell culture shows reduced protein production despite maintaining normal cell density. What could be the most likely cause?

In the context of vaccine production using cell culture, which cell lines are most commonly used in India?

Which of the following represents the correct sequence in scaling up cell culture from laboratory to industrial bioreactor?

What is the significance of mycoplasma testing in cell culture quality control for biopharmaceutical production?

In a perfusion bioreactor system used for continuous cell culture, what is the primary advantage over batch culture?