Question

The absence of centrioles from higher plant cells means that during somatic cell nuclear division there is

• A. No apparent organiser of mitotic spindles
• B. No equatorial arrangement of chromo-somes at metaphase
• C. No new cell wall laid down at telophase
• D. No spindle formed

Answer 1

The correct option is A No apparent organiser of mitotic spindles

Centrioles are present in animal cells and absent in plant cells. They are the microtubules organising regions which organise the position of mitotic spindles during cell division. Plants have a rigid cell wall that can itself organise the spindle forming microtubules during cell division. Hence, there is no apparent organiser of mitotic spindles in the plants.

So, the correct answer is 'No apparent organiser of mitotic spindles'.