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Worksheets

Y11 Revision

Total questions: 70

Worksheet time: 39mins

Name
Class
Date
1.
Microvilli are tiny projections that extend off the cell to increase the Surface Area.  What purpose might that serve? 
a)
Increased absorption
b)
Better communication among cells
c)
Maintain homeostasis 
d)
Decreased oxygen use
2.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
mitochondria
b)
lysosome
c)
vacuole
d)
ribosome
3.
What is found in both plant and animal cells but is much larger in plant cells?
a)
Nucleus
b)
Mitochondria
c)
Chloroplast
d)
Vacuole
4.

Main producer of ATP in all eukaryotes

a)

chloroplast

b)

mitochondria

c)

lysosome

d)

Smooth Endoplasmic Reticulum

5.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
6.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
7.
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
8.
Amino acids link together to form proteins. In which organelle would this process occur?
a)
Lysosome
b)
Ribosome
c)
Centriole
d)
Mitochondria
9.
packages proteins for delivery
a)
Endoplasmic reticulum
b)
ribosomes
c)
golgi apparatus
d)
lysosomes
10.
jello-like material, fills the space between cell organelles, is where many chemical reactions occur
a)
cytoplasm
b)
chromatin
c)
chloroplast
d)
cell membrane
11.
Transportation network for the cell, moves materials around in the cell
a)
Lysosome
b)
Nuclear Membrane
c)
Endoplasmic Reticulum
d)
Centriole
12.
What am I?
a)
mitochondria
b)
lysosomes
c)
chloroplast
d)
endoplasmic reticulum
13.
What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
14.
What is NOT TRUE about the cell membrane
a)
It controls what enters and leaves the cell
b)
Semipermeable
c)
Phospholipid bilayer
d)
Contains digestive enzymes
15.
What do the brown structures represent?
a)
Phospholipids
b)
Glycoproteins
c)
Channel Proteins 
d)
Cyctoskeleton Filaments
16.
Hydrophilic means...
a)
water-loving
b)
water-fearing
c)
nonpolar
d)
lipid soluble
17.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A 
18.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
19.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

20.
Which type of transport requires an input of energy?
a)
Passive Transport
b)
Osmosis
c)
Simple Diffusion
d)
Active Transport
21.
Which form of active transport is being shown?
a)
Facilitated Diffusion
b)
Exocytosis
c)
Endocytosis
d)
Protein Pumps
22.
Which is NOT a form of active transport?
a)
Endocytosis
b)
Osmosis
c)
Exocytosis
d)
Pinocytosis
23.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
24.

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

25.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

26.

This red blood cell swell and burst in a ....solution

a)

hypotonic

b)

isotonic

c)

elektronic

d)

hypertonic

27.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
28.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
29.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
30.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
31.
In which phase does the cell spend most of it's life?
a)
Interphase
b)
Nuclear Division
c)
Telophase
d)
Mitosis
32.

in the cell cycle, what is the next stage after TELOPHASE (most of the time)?

a)

Metaphase

b)

anaphase

c)

cytokinesis

d)

interphase

33.
The phase in mitosis where chromosomes are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
interphase
34.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
35.

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

a)

20

b)

10

c)

40

d)

200

36.

Cells of organisms must go through cell division for?

a)

growth

b)

repair of damaged cells

c)

replacement of dying cells.

d)

All of these

37.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
38.
During what phase of the cell cycle does the cell grow?
a)
G1 phase
b)
S phase
c)
M phase
d)
Cytokinesis
39.
During what phase of the cell cycle does the cell prepare for mitosis?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
40.

A stem cell is

a)

The same as a blood cell

b)

an undifferentiated cell that can develop into different cell types

c)

I don't know, I wasn't listening

d)

A stomach cell that can turn into a liver cell

41.

The two types of stem cells are..

a)

Adult stem cells

b)

pluripotent stem cells

c)

skin cells

d)

Embryonic stems cells

42.

Describe potency...

a)

The ability to go through several cycles without differentiation

b)

The ability to differentiate into specialised cells

c)

umm... this is a hard one

d)

the process of making more cells

43.

What does "multipotent" mean?

a)

able to divide but has a limited amount of closely related cell types.

b)

able to divide and make multiple (but not all) types of cells

c)

able to divide and make all different types of cells

d)

cannot divide

44.

What is the difference between embryonic stem cells and adult stem cells?

a)

Embryonic can differentiate into more cell types than adult

b)

Adult can differentiate into more cell types than embryonic

c)

undifferentiated and can turn into any type of cell

d)

differentiated cells that do one job

45.

Why is the use of embryonic stem cells controversial?

a)

The embryos are destroyed in the process of extracting the stem cells.

b)

People consider their use as destroying a life.

c)

They are taken from little kids, which is painful.

d)

They are put into a different person.

46.
The products of photosynthesis are
a)
carbon dioxide, water, energy
b)
sugar (glucose), oxygen, water
47.

What do plants need to perform photosynthesis?

a)

Love

b)

Soil with a high nitrogen (N) content

c)

Water (H2O) + Carbon Dioxide (CO2) and Sunlight Energy

d)

Pollinators such as bees and hummingbirds

48.

Gwen is investigating how exercise affects the rate at which she can squeeze a ball. After several minutes, she begins to experience muscle soreness and fatigue. She knows that this means her muscles are beginning to run out of oxygen.

Which process is likely causing the soreness in her muscle cells?

a)

Lactic acid fermentation

b)

Photosynthesis

c)

Ethanol fermentation

d)

Krebs cycle

49.

In what part of the cell does the Krebs cycle take place?

a)

Cytosol

b)

Matrix of the mitochondria

c)

Cristae of mitochondria

d)

Outer membrane of mitochondria

50.

After glycolysis, pyruvate is oxidized to produce carbon dioxide, NADH, and a molecule that contains 2 of the 3 carbons from the pyruvate.

Which product of pyruvate oxidation enters the Krebs cycle?

a)

Carbon dioxide

b)

Acetyl-CoA

c)

NADH

d)

Glucose

51.

Which of the following statements is true regarding glycolysis?

a)

Glycolysis can occur without the presence of oxygen

b)

Glycolysis takes place in the mitochondria of a cell

c)

Glycolysis is the final step in aerobic respiration

d)

Glycolysis produces a net of 1 ATP, 1 NADH, and 2 pyruvate

52.

In what part of the cell does glycolysis take place?

a)

Cytoplasm

b)

Mitochondria

c)

Chloroplast

d)

Nucleus

53.

Several molecules are produced as a result of glycolysis.

What is the net production of ATP, pyruvate, and NADH when one molecule of glucose undergoes glycolysis?

a)

2 ATP, 2 NADH, and 2 pyruvate

b)

4 ATP, 1 NADH, 2 pyruvate

c)

4 ATP, 2 NADH, and 4 pyruvate

d)

2 ATP, 1 NADH, and 1 pyruvate

54.

What is true of NAD in cellular respiration?

a)

NAD carries the oxygen needed to break down the glucose molecules into the cell.

b)

NAD is used to directly break apart the glucose molecules.

c)

NAD carries and transfers electrons and H+ ions.

d)

NAD carries excess carbon dioxide out of the cell.

55.

What stage of cellular respiration produces the most number of ATP?

a)

Glycolysis

b)

Krebs cycle

c)

Electron transfer chain

d)

anaerobic respiration

56.

Which of the following is the correct equation for aerobic cellular respiration?

a)

6CO2 + 6H2O ⟶ C6H12O6 + 6O2 + ATP

b)

6O2 + C6H12O6 ⟶ 6H2O + 6CO2 + ATP

c)

C6H12O6  + 6H2O ⟶ 6CO2 + 6O2 + ATP

d)

6O2 + 6H2O ⟶ C6H12O6 + 6CO2 + ATP

57.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
58.
A rigid structure that gives protection, support, and shape to plants, algae, fungi and some bacteria. 
a)
cell wall
b)
cell membrane 
c)
cytoskeleton 
d)
cytoplasm 
59.

Recall which part of the digestive system is indicated by the red arrow in the picture below.

a)

Liver

b)

Rectal Cavity

c)

Small Intestine

d)

Large Intestine

60.

Recall what mechanical digestion is.

a)

Where you replace part of your digestive tract with complex machinery

b)

The act of drinking special chemicals after a meal to aid your digestion

c)

The process of physically breaking up food into smaller pieces

d)

The process of converting large complex food molecules into simpler molecules

61.

Recall why we need to break down macromolecules into monomers during digestion.

a)

To allow the molecules to be absorbed

b)

To release energy by respiration

c)

To help the molecules move down the gut

d)

To product heat to keep us warm

62.

Recall what type of enzyme breaks down starch into sugars

a)

Lipase

b)

Protease

c)

Amylase

d)

Nuclease

63.

Recall where in the body amylase digests carbohydrates.


Select ALL correct options

a)

Small Intestine

b)

Stomach

c)

Mouth

d)

Pancreas

e)

Liver

64.

Recall another name for digestion of macromolecules into smaller molecules.

a)

Assimilation

b)

Condensation

c)

Hydrolysis

d)

Absorption

65.

Recall what lipids are.

Select ALL correct options

a)

Fats

b)

Carbohydrates

c)

Sugars

d)

Oils

66.

Which organ stores and releases bile?

a)

liver

b)

gallbladder

c)

pancreas

67.

What are these structures called that are found on the lining of the small intestine?

a)

Gallbladder

b)

Villi

c)

Sphincter

d)

Duodenum

68.

What type of digestion occurs in the stomach?

a)

Chemical digestion (Enzymes) only

b)

Mechanical digestion (churning) only

c)

Chemical digestion (gastric juices) only

d)

Mechanical (churning) and Chemical digestion (enzymes and gastric juice)

69.

Where is bile produced?

a)

Kidney

b)

Pancreas

c)

Liver

d)

Small intestine

70.

What is the function of the caecum in a hindgut fermenter?

a)

It has no function

b)

It breaks down animal and plant matter

c)

It breaks down animal protein

d)

It holds food for fermentation by bacteria

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