WorksheetsBiology Test CH 5-7
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Which of the following do NOT consist of eukaryotic cells?
a)
plants
b)
animals
c)
bacteria
d)
humans
2.
A cellular organelle that "reads" RNA and assembles amino acids into protenins is the ______.
a)
lysosome
b)
mitochondrion
c)
chloroplast
d)
ribosome
3.
When cells an the solution surrounding them contain equal amounts of solute, the solution is said to be _______.
a)
merotonic
b)
hypertonic
c)
hypotonic
d)
isotonic
4.
Which type of transport across a cell membrane requires energy?
a)
active transport
b)
osmosis
c)
diffusion
d)
facilitated diffusion
5.
Why can't cells directly use energy from glucose?
a)
Glucose has too little energy.
b)
Glucose has too mugh energy.
c)
Cells cannot digest glocose.
d)
Glucose contains only single bonds.
6.
Why do cells have a continuous supply of ATP?
a)
Cells store more ATP than they can use
b)
Phosphate adn water combibe to make more ATP.
c)
ATP molecules can be used to store energy repeatedly.
d)
ADP is recycled to make more ATP.
7.
The pupose of nucleic acids like DNA and RNA are to store _______.
a)
energy
b)
information
c)
protein
d)
glucose
8.
The two sides of the DNA "ladder" are held together by __________.
a)
the attraction of the opposite charges
b)
hydrogen bonds
c)
peptide bonds
d)
covalent bonds
9.
In a DNA molecule, adenine always bonds to ________.
a)
thymine
b)
guanine
c)
cytosine
d)
uracil
10.
Proteins are made by
a)
copying other protein molecules.
b)
assemblind chains of codons.
c)
using information stored in DNA.
d)
all of these.
11.
A transfer RNA aligns its amino acid in the proper sequence by matching its ______ to the corresponding codon on the messenger RNA.
a)
ribosomal RNA
b)
nuclear pore
c)
anticodone
d)
exon
12.
Adjacent amino acids are joined by _________ bonds.
a)
hydrogen
b)
peptide
c)
ionic
d)
covalent
13.
The rough endoplasmic reticulum is rough because it is studded with (a) .
14.
Central vacuoles are responsible for maintaining (a) , the force of which keeps cells rigid.
15.
Lysosomes are a type of vacuole that contain
(a)
16.
The sum of all the processes that an organism uses to obtain, store and use energy is called (a) .
17.
In RNA, thymine is replaced by (a) .
18.
Most of the Earth's oxygen is produced by ________.
a)
rainforests
b)
volcanic eruptions
c)
bacteria
d)
algae
19.
Which of the following occurs druing the light-dependent phase of photosynthesis?
a)
Water molecules are split, forming oxygen and free electrons.
b)
ATP synthase makes ATP and ADP
c)
Energizes electrons pass through tthe electron transport chain.
d)
all of these
20.
Which of the following do NOT affect the rate of photosynthesis in plants?
a)
availability of water
b)
availability of oxygen
c)
availibility of carbon dioxide
d)
temperature
21.
During which phase of cellular respiration is ATP produced?
a)
glycolysis
b)
citric acid cycle
c)
electron transport
d)
all of these
22.
During glycolysis, glucose is prodiced by photosynthesis is broken down into ________.
a)
lactic acid
b)
pyruvate
c)
G3P
d)
NADP+
23.
Although some ATP is produced during the Kreb's cycle, the primary purpose of the cycle is to produce ___________ for the electron transport chain.
a)
free oxygen
b)
glyceraldehyde-3-phosphate
c)
water vapor and oxygen gas
d)
NADH and electrons
24.
Carbon dioxide enters the leaves of plants through their (a) .
25.
Cellular respiration is called an aerobic process because it requires (a) .
26.
During aerobic cellular respiration, most ATP is generated durign the (a) .
100 %
