Science Grade 10 Exams

1.

1 point

_________ is the process by which a parent cell divides into two daughter cells

2.

3 points

What are the reasons of cell division: (more than 1 answer)

To repair damaged tissues

Occurs when the cell grows too large

To produce energy

For single celled organisms to reproduce

3.

1 point

The cell theory states that:
All living organisms are made out of _____

4.

2 points

The cell membrane... (more than 1 answer)

makes sure that all substance and materials flow through it

is also a big part of the process of diffusion

controls the flow of materials into and out of the cell

it is permeable

5.

1 point

What is the process of duplicating the contents of the cell's nucleus into two equal parts?

6.

3 points

Which statements are true regarding the nucleus? (More than 1 answer)

The nucleus contains chromatin and most of the genetic information of the cell

It is made up of two membranes: the outer and the inner membrane

The nucleus is located in the center of the cell

The nucleus controls ALL activities of the cell

It is made up of two membranes: the upper and the lower membrane

7.

1 point

The cell wall is a tough, rigid that provide support for the cell.

True

False

8.

1 point

The Golgi body:

sorts and packages proteins and other molecules for transport out of the cell.

is/are a network of membrane-covered channels that transport materials made in the cell; connected to the nucleus.

is/are membrane-covered sacs that transport and/or store materials inside the cell, and sometimes help these materials cross the cell membrane to exit or enter the cell.

9.

2 points

Which statements are FALSE.

telophase is the longest phase where the daughter nuclei are formed

Anaphase is the phase where the centromere splits apart and chromatids are pulled to opposite sides of the cell by the spindle fibres

The prophase is the stage in which sister chromatids condense and chromosomes become visible

Metaphase is the second stage of mitosis and is the shortest phase

10.

1 point

The endoplasmic reticulum:

are membrane-covered sacs that transport and/or store materials inside the cell, and sometimes help these materials cross the cell membrane to exit or enter the cell.

is a network of membrane-covered channels that transport materials made in the cell; connected to the nucleus.

sorts and packages proteins and other molecules for transport out of the cell.

11.

1 point

The vesicles:

is/are membrane-covered sacs that transport and/or store materials inside the cell, and sometimes help these materials cross the cell membrane to exit or enter the cell.

sorts and packages proteins and other molecules for transport out of the cell.

is/are a network of membrane-covered channels that transport materials made in the cell; connected to the nucleus.

12.

1 point

The cell theory states that:
The cell is the basic ______________ of life

13.

1 point

_______ is the change in an organisms DNA

14.

1 point

What is the process of separating the two nuclei and cell contents into two daughter cells?

15.

1 point

The cell theory states that:
All cell comes from __________ cells

16.

4 points

In plant cytokinesis, the __________ starts to produce small ________. Each of these sacs carries the materials needed to form a new ____________. The vesicles line up between the two new nuclei, forming a ___________.
(Choose the correct answer in order)

golgi body, vesicles, cell wall, cell plate

endoplasmic reticiulum, vesicles, nucleus, cell wall

vacuole, mitochondria sacs, cell membrane, cell wall

nucleus, chromatin, pair of DNA, a cell wall

17.

1 point

The cell's surface area and volume is essential to the performance of the cell.

True

False

18.

1 point

______ are substance or factor that can case a mutation in the DNA

19.

1 point

_________ are not found in the plant cell, but are found in the animal cell. (plural)