Embibe Experts Solutions for Chapter: Cell Biology, Exercise 2: KVPY PREVIOUS YEAR QUESTIONS

The genetic content of a cell reduces to half during:

Brown fat is a specialised adipose tissue with abundant mitochondria and rich blood supply. Brown fat

A diploid plant has $14$ chromosomes, but its egg cell has $6$ chromosomes. Which one of the following is the most likely explanation of this?

Following the cell cycle scheme given below, what is the probability that a cell would be in $\mathrm{M}$-Phase at any given time?

After meiosis-II,daughter cells differ from the parent cells and each other in their genotypes. This can occur because of which one of the following mechanism(s)?

If mitochondria isolated from a cell are first placed without carbon source in a buffer at $\mathrm{pH} 8.0$ and then transferred to a buffer at $\mathrm{pH} 4,$ it will lead to

*Note- Incorrect answer was marked. It has been corrected now.

A mixture of equal numbers of fast and slow dividing cells is cultured in a medium containing a trace amount of radioactively labeled thymidine for one hour. The cells are then transferred to regular (unlabelled) medium. After $24$ hrs of growth in regular media.

The mitochondrial inner membrane consists of a number of infoldings called cristae. The increased surface area due to cristae helps in :