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Movement into and out of Cells and Biological Molecules

Total questions: 52

Worksheet time: 42mins

Name
Class
Date
1.

What are the basic units to make fats?

a)

glucose

b)

amino acids

c)

fatty acids and glycerol

2.

What is starch made from?

a)

glucose

b)

amino acids

c)

fatty acids and glycerol

3.

What is the basic unit to build proteins?

a)

glucose

b)

amino acids

c)

fatty acids and glycerol

4.

The diagram shows cells from a storage organ of a plant.

The structures X are stained blue-black by iodine solution. (Hint: Plants photosynthesise to produce glucose. Excess glucose is stored as _____?)


What does X contain?

a)

glycogen

b)

starch

c)

fat

d)

amino acids

5.

A food substance is tested with three reagents.


Iodine solution remains brown.

The biuret test gives a purple colour.

The ethanol test gives an emulsion.


Which nutrient(s) does the food substance contain?

a)

A

b)

B

c)

C

d)

D

6.

A food containing fats is tested with ethanol emulsion test. what would be the positive result?

a)

remains clear

b)

cloudy white emulsion forms

7.

Which food substance would produce a brick red precipitate when boiled with Benedict’s solution?

a)

fat

b)

protein

c)

reducing sugar

d)

starch

8.

What shows that a solution contains protein?

a)

A

b)

B

c)

C

d)

D

9.

A sample of egg albumen (protein) solution was tested using the biuret test. Which one shows the result of the test and the deduction which can be made?

a)

A

b)

B

c)

C

d)

D

10.

Biuret solution test for the presence of

a)

reducing sugars, e.g. glucose

b)

proteins

c)

fats

d)

starch

11.

Benedict's solution test for the presence of

a)

reducing sugars, e.g. glucose

b)

proteins

c)

fats

d)

starch

12.

A general rule is that the more carbon atoms in a molecule the more energy a molecule can provide. What molecule can provide the most energy to an organism?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

13.

What atoms are found in all four major groups of organic compounds?

a)

Carbon, Hydrogen, and Oxygen

b)

Carbon, Hydrogen, Oxygen, and Nitrogen

c)

Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous

14.

What are the biological molecules in the image?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

15.

What biological molecule regulates cell process and forms important cellular structures?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

16.

What biological molecule is used to store and transmit hereditary, or genetic, information?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

17.

What biological molecule is used to store energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

18.

What biological molecule is living things main source of energy and used for structural purposes?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

19.

Lipids are important in forming _____________.

a)

DNA

b)

RNA

c)

cell membanes

d)

cytoplasm

20.

State of oils at room temperature.

a)

solids

b)

liquids

c)

gases

21.

State of fats at room temperature.

a)

solids

b)

liquids

c)

gases

22.

Total number of amino acids in plant and animal cells.

a)

15

b)

17

c)

19

d)

20

23.

An example of simple sugar (monosaccharide).

a)

glucose

b)

sucrose

c)

starch

d)

glycogen

24.

Basic units of lipids.

a)

nucleotides

b)

amino acids

c)

simple sugars

d)

fatty acids and glycerol

25.

Basic units of proteins.

a)

simple sugars

b)

fatty acids and glycerol

c)

nucleotides

d)

amino acids

26.

Basic units of cabohydrates.

a)

simple sugars

b)

amino acids

c)

fatty acids and glycerol

d)

nucleotides

27.

which way does the water move through the selectively permeable membrane?

a)

The water doesn't move

b)

From 1 to 2

c)

From 2 to 1

28.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
29.

The movement of molecules from a low concentration to a high concentration is.....

a)

simple diffusion

b)

facilitated diffusion

c)

active transport

d)

osmosis

30.
What a cell needs to transport particles by active transport?
a)
Sun
b)
Wind
c)
Energy
d)
Channels
31.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
32.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
33.

What does selectively or partially permeable mean?

a)

The cell membrane controls what passes in and out of the cell

b)

Nothing gets through

c)

The cell lets only large substances through

34.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of ___________.
a)
osmosis
b)
equilibrium
c)
diffusion
d)
hypertonic
35.

Why are diffusion and osmosis important to cells?

a)

It allows them to take in materials without using energy.

b)

It allows them to reproduce.

c)

It allows them to absorb sunlight.

d)

It allows cells to use all energy.

36.

The highest water potential is that of?

a)

Honey

b)

10% salt solution

c)

50% sugar solution

d)

Pure water

37.

In active transport the direction of the movement is __________ to that of diffusion

a)

same

b)

opposite

38.

Which of the following process takes place when raisins are soaked in water for few hours?

a)

Osmosis

b)

Diffusion

c)

Ascent of sap

d)

Root pressure

39.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
40.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
41.
During diffusion
a)
substances (things) moves from high to low concentration
b)
water moves when energy is used
c)
large or oddly shaped molecules move across a cell membrane
d)
water moves from high to low concentration
42.
Diffusion and Osmosis are examples of...
a)
Active Transport
b)
Passive Transport
43.
A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?
a)
Water moved into the lettuce cells by active transport.
b)
Water moved into the lettuce cells by osmosis.
c)
Salt moved into the lettuce cells by diffusion.
d)
Water moved out of the lettuce cells by osmosis.
44.
Active transport requires energy because...
a)
The cell is moving something against a concentration gradient
b)
The cell is moving something with a concentration gradient
45.
What type of cellular transport uses energy?
a)
Passive Transport
b)
Active Transport
46.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
47.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
48.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
49.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
50.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
51.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
52.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built

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