UEC (J2) Biology Chapter 16

Which part of the cell control the process of cell division?

• Cell nucleus

• Mitochondria

• Ribosome

• Cytoplasm

Cell division can be classified into ___, ___, and ___

Which of the following is the most suitable material to observe cell mitosis process?

• Root tip cell of onion

• Mesophyll cell

• Gills cell

• Pollen grain

Which of the following is incorrect about mitosis?

• Produce somatic cell

• Produce 2 daughter cells

• Chromosome number of parent cell is identical as daughter cell

• During the cell division process, centromeres do not divide

If an organism has 6 chromosomes in its ovum, then the number of chromosomes in somatic cell will be ___.

• 3

• 6

• 12

• 24

Meiosis occur at ___.

• Elongation of root tip

• Cell division of fertilized egg

• Formation of ovum

• Binary fission of amoeba

Mitosis occurs at ___.

• Formation of sperm

• Formation of ovum

• Cell division of skin cell

• Binary fission of amoeba

A normal human has (a)   pairs of chromosomes.

Which of the following is incorrect about meiosis?

• 4 daughter cells are formed

• The chromosome number of parent cell is identical to daughter cell

• Centromeres do not divide during meiosis I

• Occur during formation of sperm and ovum

Diagram shows the cross-sectional view of root tips. Which part is the zone of cell division?

• I

• II

• III

• IV