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Biology Grade 9

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.
Which organelle is only found in a plant cell? 
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
2.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
3.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
4.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
5.
The green pigment in plants is due to the presence of 
a)
chlorophyll
b)
Chlorine
c)
Chlorophyta
d)
chromatophores
6.
Controls what enters and leaves the cell
a)
Cell Membrane
b)
Ribosome
c)
Chloroplast
d)
Vacuole
7.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
8.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
9.
A group of the same type of cells that work together for a purpose are called -
a)
 a tissue
b)
an organ
c)
an organ system
d)
an unicellular organism
10.
A group of different tissues working together is - 
a)
an organ
b)
an organ system
c)
a   prokaryote
d)
a cell
11.
The levels of organization from the simplest to the most complex are
a)
Cells, tissues, organs, organ systems, organism
b)
Organisms, organs, tissues, cells, organ systems
c)
Cells, organs, organ systems, tissues, organism
d)
Tissues, cells, organs, organism
12.
Two examples of organ systems in the human body are - 
a)
digestive system and respiratory system
b)
circulatory system and fluid system
c)
blood system and food system
d)
nervous system and stomach system
13.
Which statement is correct?
a)
A group of organs work together to form an organ system
b)
Tissues that have the same function form an organ system
c)
Cell that have the same function form an organ
d)
Organ systems working together form a tissue
14.
Which of these can only be found in a plant cell?
a)
 A nucleus
b)
A vacuole
c)
A chloroplast
d)
A mitochondrion
15.
Which type of tissue is responsible for the movement of body parts?
a)
Connective
b)
Muscle
c)
Nervous
d)
Epithelial
16.

which is NOT an example of an organelle?

a)

Mitochondrion

b)

Nucleus

c)

Lungs

d)

Cell Membrane

17.

What does a nucleus look like?

18.

Because electron microscopes project an image of the specimen by using a beam of electron rather than a beam of light, like a light microscope. The electron microscope produces a (a)   resolution images than light microscopes.

19.

The same unicellular organism was viewed under a light microscope (D) and a scanning electron microscope (E).

What is the reason for the difference in quality in their images?

a)

Light cannot pass through the specimen.

b)

Higher magnification can be achieved with the electron microscope.

c)

The resolution of the electron microscope is higher.

d)

Samples are stained with methylene blue when viewed with the light microscope.

20.

Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than

a)

A beam of light

b)

A beam of compounds

c)

A beam of cells

d)

A beam of specimens

21.

Which one was taken by a light microscope?

a)

Left

b)

Right

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