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4th BATCH LONG QUIZ

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

What is the function of the eyepiece in a microscope?

a)

To adjust the focus of the microscope

b)

To hold the microscope steady

c)

To provide lighting for the specimen

d)

To magnify the image produced by the objective lens

2.

Which part of the microscope supports the objective lenses and allows for their movement?

a)

rotating base

b)

adjustable arm

c)

sliding stage

d)

revolving nosepiece

3.

What is the purpose of the stage in a microscope?

a)

To adjust the magnification level

b)

To provide lighting for the specimen

c)

To regulate the temperature of the specimen

d)

To hold the specimen in place and allow for precise movement and positioning for observation.

4.

Which part of the microscope controls the amount of light passing through the specimen?

a)

Mirror

b)

Diaphragm or Iris Diaphragm

c)

Objective lens

d)

Stage

5.

What is the function of the diaphragm in a microscope?

a)

Regulates the temperature of the microscope

b)

Enhances the resolution of the image

c)

Adjusts the focus of the specimen

d)

Controls the amount of light passing through the specimen

6.

Which part of the microscope is used to focus on the specimen?

a)

Fine adjustment knob

b)

Coarse adjustment knob

c)

Objective lens

d)

Eyepiece lens

7.

What is the purpose of the arm in a microscope?

a)

Adjust the focus

b)

Support the tube and connect it to the base

c)

Hold the slide in place

d)

Illuminate the specimen

8.

Which part of the microscope connects the eyepiece to the objective lenses?

a)

Objective connector

b)

Eyepiece holder

c)

Body tube

d)

Lens tube

9.

What is the function of the base in a microscope?

a)

Decoration and aesthetics

b)

Temperature regulation

c)

Stability and support

d)

Enhancing magnification

10.

Which part of the microscope is used to adjust the magnification of the specimen?

a)

Eyepiece lens

b)

Stage clips

c)

Objective lens

d)

Coarse adjustment knob

11.

What is the purpose of the coarse adjustment knob in a microscope?

a)

To quickly move the stage up or down to bring the specimen into rough focus.

b)

To adjust the lighting of the microscope

c)

To change the magnification of the microscope

d)

To rotate the objective lenses

12.

Which part of the microscope houses the illuminator?

a)

Base or lower part

b)

Eyepiece

c)

Lens

d)

Stage

13.

What is the function of the fine adjustment knob in a microscope?

a)

To make small, precise focusing adjustments

b)

To move the stage up and down

c)

To change the magnification level

d)

To adjust the light intensity

14.

Which part of the microscope provides support and stability?

a)

stage

b)

base

c)

lens

d)

arm

15.

What is the purpose of the revolving nosepiece in a microscope?

a)

To hold multiple objective lenses for easy switching between different magnifications.

b)

To regulate the temperature of the microscope

c)

To hold the light source for illumination

d)

To adjust the focus of the microscope

16.

7. If you place a x10 eyepiece and a x40 objective, how much magnification can you observe?

a)

4

b)

40

c)

400

d)

4000

17.

If a student wants to observe a larger view of the specimen, which mechanical part shall he/she manipulate?

a)

coarse adjustment knob

b)

revolving nose piece

c)

eyepiece

d)

fine adjustment knob

18.

If you need to transfer a microscope from one place to another, which parts do you need to consider?

a)

arm

b)

base

c)

eyepiece

d)

both arm and base

19.

10. Which tool is used to observe the smallest units of life?

a)

hand lens

b)

microscope

c)

telescope

d)

microphone

20.

The part of a compound microscope where objective lenses are attached.

a)

Revolving nosepiece

b)

Body tube

c)

Base

21.

As you begin focusing the onion cells, which power objective will you use first?

a)

High Power objective lense

b)

Low Power objective lense

c)

Medium Power objective lense

22.

Which knob will you use in the PREPARATION of focusing the specimen?

a)

Fine adjustment knob

b)

Inclination joint

c)

Coarse adjustment knob

23.

For a total magnification of 600X, what eyepiece and objective would be used?

a)

15X eyepiece with a 40X objective

b)

10X eyepiece with a 40X objective

c)

6X eyepiece with a 40X objective

24.

What will be the total magnification if your eyepiece is 4X and your objective lense is 10X?

a)

400X

b)

4000X

c)

40X

25.

Part of the microscope that holds the slide in place.

a)

Base

b)

Arm

c)

Stage Clip

26.

Which parts will you hold if you want to transfer the microscope?

a)

Arm and Stage

b)

Arm and Base

c)

Base and Stage

27.

Which of the following should we AVOID doing?

a)

Carrying the microscope from one place to another

b)

Touching the glass part of the lenses using our fingers

c)

Keeping the microscope covered when not in use

28.

The lens at the top on which we look through.

a)

Ocular lens

b)

Objectives

c)

Body tube

29.

Zaccharias Janssen and Hans Janssen created a magnifying device that served as the forerunner of the compound microscope and the telescope.

a)

True

b)

False

30.

If the ocular lens' magnification if 10x, and you observing a specimen using LPO, what is the total magnification?

a)

10x

b)

100x

c)

1000x

d)

10000x

31.

What part of the microscope controls the amount of light going through the specimen?

a)

diaphragm

b)

ocular lens

c)

objectives

d)

mirror

32.

What is used to fine focus the image when viewing at the higher magnifications?

a)

coarse adjustment knob

b)

fine adjustment knob

c)

stage

d)

objectives

33.

The _______ is the smallest structural and functional unit of a living thing.

a)

atom

b)

cell

c)

bone

d)

blood

34.

Both prokaryotes and eukaryotes have DNA.

a)

True

b)

False

35.

Prokaryotic cells do not have…….

a)

membrane bound organelles

b)

cell membrane

c)

DNA

d)

genetic material

36.
Both prokaryotes and eukaryotes have a nucleus.
a)
True
b)
False
37.

Which type of cell?

a)

Prokaryote

b)

Eukaryote

c)

Both

d)

Neither

38.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
39.
This is a picture of:
a)
Prokaryote
b)
Eukaryote
40.

Which type of cells has a chloroplast?

a)

Prokaryote

b)

Plant Cell

c)

Animal Cell

d)

Bacteria

41.

Plants and animal cells are examples of ___ cells

a)

prokaryotic cells

b)

eukaryotic cells

c)

both eukaryotic and prokaryotic

d)

neither

42.

Which organelle is responsible for storing a eukaryotic cells genetic material?

a)

Cytoplasm

b)

Nucleus

c)

Mitochondria

d)

Chloroplast

43.

Which of the following is NOT a characteristic of a Prokaryotic cell?

a)

unicellular

b)

floating DNA

c)

very small

d)

complex

44.
A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?
a)
prokaryote
b)
eukaryote
c)
plant cell
d)
animal cell
45.
Which of the following is NOT a type of eukaryotic cell?
a)
mushroom cell
b)
pea leaf cell
c)
bacterial cell found in Swiss cheese
d)
alligator stomach cell
46.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
47.

How are eukaryotic cells different from prokaryotic cells?

a)

Eukaryotic cells have nuclei; prokaryotic cells don't

b)

Eukaryotic cells are microscopic; prokaryotic cells are not

c)

Eukaryotic cells contain genetic material; prokaryotic cells don't

d)

Eukaryotic cells include bacteria; prokaryotic cells don't Prokaryotic

48.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
49.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
50.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
51.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
52.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
53.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
54.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
55.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
56.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
57.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
58.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
59.
What will most likely happen if an appropriate enzyme is added to a chemical reaction? 
a)
The reaction rate will increase.
b)
The equilibrium of the reaction will be maintained. 
c)
The reaction rate will decrease.
d)
The reaction will stop. 
60.
Which of the following best explains why enzymes are necessary for many cellular reactions?
a)
Enzymes supply the oxygen necessary for the reactions
b)
 Enzymes change reactants from solid to liquids during the reactions.
c)
The reactions take up too much space in the cell if the enzymes are missing.
d)
The reactions are too slow to meet the needs of the cell if enzymes are missing. 
61.
Which enzyme is most efficient in a basic solution?
a)
A
b)
B
62.
If an enzyme becomes over heated what effect, if any, will the heat have on the enzymatic activity? 
a)
The enzyme will not store much chemical energy.
b)
The enzyme will not be able to catalyze reactions.
c)
The enzyme will lose its net electrical charge.
d)
The enzyme will lose stored genetic information.
63.
Enzymes will make a reaction go _______ and use ______ energy.
a)
faster, less
b)
faster, more
c)
slower, less
d)
slower, more
64.
Which of the following tasks listed below is most associated with enzymes?
a)
catalyze chemical reactions                  
b)
store genetic information       
c)
store chemical energy in the cell   
d)
dissolve nutrients and minerals 
65.

Which level of organization is the basic unit of life?

a)

A. Cell

b)

B. Tissue

c)

C. Organ

d)

D. System

66.

Who coined the term cell for the box like structure he observed when viewing cork tissue?

a)

A. Matthias Schleiden

b)

B. Theodor Schwann

c)

C. Rudolf Virchow

d)

D. Robert Hooke

67.

In many cells, the structure that controls the cell activities is the _.

a)

A. Cell Membrane

b)

B. Organelle

c)

C. Nucleolus

d)

D. Nucleus

68.

Which part of the cell serves as venue for cellular respiration and is known as the powerhouse of the cell?

a)

A. Nucleolus

b)

B. Chromosome

c)

C. Mitochondrion

d)

D. Nucleus

69.

A type of passive transport which relies on carrier proteins in order for the substances to move down their concentration gradient.

a)

A. Active transport

b)

B. Facilitated diffusion

c)

C. Osmosis

d)

D. Sodium-potassium pump

70.

Which of the following is an example of passive transport which occurs when particles move from an area of higher concentration to an area of lower concentration?

a)

A. Phagocytosis

b)

B. Pinocytosis

c)

C. Diffusion

d)

D. Osmosis

71.

This process utilizes additional metabolic energy against the concentration gradient to move molecules across the membrane from a region of lower concentration to a region of higher concentration.

a)

A. Active Transport

b)

B. Passive Transport

c)

C. Osmosis

d)

D. Exocytosis

72.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
73.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
74.

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

a)

1: lower concentration, 2: higher concentration, 3: NADPH

b)

1: higher concentration, 2: lower concentration, 3: NADPH

c)

1: higher concentration, 2: lower concentration, 3: ATP

d)

1: lower concentration, 2: higher concentration, 3: ATP

75.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
76.
The roots of a plant contain a high concentration of minerals and the soil contains a lower concentration.  The roots absorb minerals from the soil.  This is an example of
a)
passive transport.
b)
active transport.
c)
diffusion
d)
osmosis
77.
Cells sometimes use energy to transport materials across the cell membrane.  This is called
a)
photosynthesis
b)
osmosis
c)
cellular respiration
d)
active transport
78.

6CO2 + 6H2O ® C6H12O6 + 6O2

This chemical equation describes:

a)

Cellular respiration

b)

Glycolysis

c)

Photosynthesis

d)

Photolysis

e)

Electron Transport Chain

79.

•Plants and plant-like organisms make their own food or energy (glucose) from sunlight.

a)

Chemotrophs

b)

Heterotrophs

c)

Autotrophs

d)

Saprophytes

80.

•The organelle responsible for photosynthesis:

a)

Vacuole

b)

Chloroplast

c)

nuclear membrane

d)

mitochondria

e)

Cytoplasm

81.

What do you call organisms that can make their own food?

a)

heterotophs

b)

autotrophs

c)

trophies

82.
What is another name to describe an autotroph?
a)
Consumer
b)
Producer
83.

Organisms that cannot make their own food and must get energy from eating other organisms are called...

a)

autotrophs

b)

heterotrophs

c)

plants

84.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
85.

What is a decomposer?

a)

Eats dead plants or animals and breaks down to put nutrients back into the ecosystem

b)

Eats plants or other animals for food

c)

Makes its own food

d)

Machine that gathers trash

86.

________________ are consumers that eat ONLY PLANTS.

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Producers

87.

__________________ are consumers that eat ONLY MEAT (other animals)?

a)

Omnivores

b)

Carnivores

c)

Producers

d)

Herbivores

88.

__________________ are consumers that eat BOTH Plants and Animals for food.

a)

Omnivores

b)

Producers

c)

Herbivores

d)

Carnivores

89.

Deer are ______________________.

a)

herbivores

b)

carnivores

c)

omnivores

90.

Hawks are __________________________.

a)

herbivores

b)

carnivores

c)

omnivores

91.

Giant Pandas are ____________.

a)

Carnivores

b)

Herbivores

c)

Omnivores

92.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
93.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
94.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
95.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
96.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
97.

which one is a Producer?

a)
b)
c)
d)
98.

Where do all life forms get their energy?

a)

Earth's Core

b)

Water

c)

Plants

d)

The Sun

99.

The shortgrass prairie is an ecosystem found in the Great Plains. Many different populations of animals depend on the prairie ecosystem for survival. A typical community includes animals such as snakes, birds, mice, rodents, and insects.


Which food chain most accurately demonstrates the flow of energy in a shortgrass prairie ecosystem?

a)

grasshopper → bird → rodent → buffalo

b)

hawk → snake → mouse → grasshopper

c)

grasshopper → mouse → snake → hawk

d)

snake → hawk → skunk → mouse

100.

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Hawk

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