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?

50% studentsanswered this correctly

Important Questions on Cell Biology

MEDIUM

KVPY Aptitude Test - Stream SX

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 4 - Cell Biology>KVPY PREVIOUS YEAR QUESTIONS>Q 26

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

Question Image

EASY

KVPY Aptitude Test - Stream SX

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 4 - Cell Biology>KVPY PREVIOUS YEAR QUESTIONS>Q 27

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)?

MEDIUM

KVPY Aptitude Test - Stream SX

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 4 - Cell Biology>KVPY PREVIOUS YEAR QUESTIONS>Q 28

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

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

MEDIUM

KVPY Aptitude Test - Stream SX

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 4 - Cell Biology>KVPY PREVIOUS YEAR QUESTIONS>Q 29

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