Municipal educational institution
Sortavala municipal district Republic of Karelia
Medium comprehensive school № 3
Diagnostic work in biology " Molecular level»
Grade 9
Sortavala 2010
Molecular level
1 option
1. All living organisms:
a) have adaptations to the environment
b) develop
c) are heterotrophs
d) capable of metabolism
2. The distinctive function of fats from carbohydrates:
a) building
b) energy
c) storage
d) protective
3. Monomers of nucleic acids are:
a) amino acids
b) glucose
c) nucleotides
d) nitrogenous bases
4. DNA is different from RNA:
a) location in the cell
b) belonging to biopolymers
c) the remainder of H 3 RO 4 , which is part of the nucleotide
d) the presence of thymine in the nucleotide
5. Enzyme:
a) biocatalyst
b) participates in the process of synthesis and decay of substances
c) most active t close to zero
d) has a protein base
6. Viruses are similar to non-living structures in that:
a) able to reproduce
b) unable to grow
c) have heredity and variability
d) do not produce energy
7. The composition of complex proteins - glycoproteins includes:
a) fats
b) nucleic acids
c) carbohydrates
d) inorganic substances
8. Vitamins:
a) are not used in the cage as building material
b) are used as a reserve of nutrients
c) are biocatalysts
d) do not belong to biocatalysts
B. Determine the correct sequence.9. Draw the nucleotide sequence of the second DNA strand, indicating the hydrogen bonds:
T-T-G-A-C-C-T-G-A-A.
10. Establish a correspondence between the types of nucleic acids and their characteristics.
Nucleic acids Characteristic
A) RNA 1. biopolymer
B) DNA 2. deoxyribose as part of the monomer
3. H 3 RO 4 in the monomer
4. monomers contain ribose
5. consists of monomers
6. contains uracil
7. Nucleotides contain nitrogenous bases
8. a nucleotide has three components
9. Contains Thymine
10. located in the cytoplasm and ribosomes
11. located in the nucleus, mitochondria, plastids
12. contains adenine
Diagnostic work in biology
Molecular level
Option 2
A. Select all correct answers. 1. All living organisms: a) capable of metabolism b) have the same structure c) are open system d) develop2. Monomer versus polymer: a) has a more complex structure b) has a complex structure c) consists of repeating links d) is a link in the polymer chain3. The same functions of fats and proteins: a) protective b) construction c) storage d) energy4. Protein denaturation is irreversible in violation of the structure: a) primary b) secondary c) tertiary d) quaternary5. ATP is different from RNA nucleotides: a) the presence of ribose b) the absence of uracil c) the presence of three residues H 3 ro 4 d) the presence of adenine6. Viruses are similar to living organisms in that: a) unable to grow b) able to reproduce c) form a crystalline form of existence d) have heredity and variability7. Nitrogenous bases characteristic of DNA: a) guanine b) thymine c) uracil d) cytosine8. Carbohydrates include: a) ribose and lactose b) glycogen and starch c) glycerol and lipids d) cellulose and chitinB. Make a diagram. 9. Write down the missing DNA nucleotides, indicating the hydrogen bonds:A-G-*-C-C-T-*-*-G-CT-*-T-*-*-*-A-C-C-*
10. Establish a correspondence between the structure of a protein molecule and its characteristics.
Structure of a protein molecule
A) primary 1. characteristic of all proteinsB) secondary 2. globuleC) tertiary 3. polypeptide chainD) Quaternary 4. spiral5. occurs as a result of the connection several proteins6. formed by a strong peptide bond7. held by numerous hydrogen bondsconnections8. is destroyed by reversible denaturation
ANSWERS1 option1
Used materials
1. Biology. Introduction to general biology and ecology. Textbook for 9 cells. A.A. Kamensky, E.A. Kriksunov, V.V. Pasechnik M.: Bustard, 2007.
2. Frosin V.N., Sivoglazov V.I. Getting ready for one state exam: General biology. - M.: Bustard, 2004. - 216s;
3. Bolgova I.V. Collection of tasks for general biology for university applicants. M .: "Onyx 21st century" "World and education", 2005;
4. Biology. Educational and training materials for the preparation of students. "Intellect-Center" 2007
Biology tests grade 11.
1 option
Enzymes perform the following functions:
A. are the main sources of energy
B. accelerate biochemical reactions
B. transport oxygen
G. participate in a chemical reaction, turning into other substances.
The organic substances that make up the cell include:
A. proteins, fats, carbohydrates
B. nucleic acids
D. Anions of weak acids.
Proteins are biological polymers, the monomers of which are:
A. nucleotides
B. amino acids
B. peptides
G. monosaccharides.
A. life and death
B. synthesis and decay
B. excitation and inhibition
5. Choose one "extra" term
A. Molecule
B. reagent
B. reaction
G. enzyme
Photosynthesis products are presented in the form of monosaccharides and polysaccharides
B. carbohydrates
B. lipids
D. enzymes
7. Affect membrane permeability and activity of many enzymes
B. carbohydrates
B. lipids
G. hormones
A Replication
9. Synthesis reactions going with the help solar energy called
A. photolysis
B. Photosynthesis
B. metabolism
G. glycolysis
Elementary particle of genetic information
Biology tests grade 11.
Theme "Molecular level of life"
Option 2
1. The process of releasing the necessary energy from organic substances by splitting them is called
A. biological oxidation
B. aerobic digestion
B. glycolysis
G. photolysis
Low molecular weight organic substances regulating processes in the cell
B. Lipids
B. vitamins
G. enzymes
Substances of a living cell that do not participate in a chemical reaction, but accelerate it:
A. Enzymes
B. Vitamins
B. Hormones
D. Coenzymes
A group of irreplaceable small in number minerals that support the life of organisms
A. Trace elements
B. macronutrients
B. Enzymes
G. coenzymes
One of the artificial polymers that turn out to be useful in the human economy:
A. cellulose
B. fluoroplast
B. polyethylene
G. polystyrene
Substances that destroy pests of agricultural crops, increasing their productivity
A. herbicides
B. pesticides
B. Mineral fertilizers
7. Choose one "extra" term
A. Molecule
B. reagent
B. reaction
G. enzyme
8. Choose one "extra" term
B. amino acid
B. macromolecule
G. energy
A biosynthesis
B. photosynthesis
B. broadcast
D. transcription
And carbohydrates
G. carbon
Biology tests grade 11.
Theme "Molecular level of life"
3 option
1. Products of photosynthesis are presented in the form of monosaccharides and polysaccharides
B. carbohydrates
B. lipids
D. enzymes
2. Substances of a living cell that do not participate in a chemical reaction, but accelerate it:
A. Enzymes
B. Vitamins
B. Hormones
D. Coenzymes
3. The organic substances that make up the cell include:
A. proteins, fats, carbohydrates
B. nucleic acids
D. Anions of weak acids.
4. The process of releasing the necessary energy from organic substances by splitting them is called
A. biological oxidation
B. aerobic digestion
B. glycolysis
G. photolysis
5. These substances perform building, protective, transport functions
B. carbohydrates
B. lipids
G. hormones
6. Bioelements are called chemical elements:
A. included in animate and inanimate nature
B. cells involved in life
B. included in the composition of inorganic molecules
G. are the main component of all organic compounds cells.
Metabolism consists of two interrelated and oppositely directed processes:
A. life and death
B. synthesis and decay
B. excitation and inhibition
D. oxygen uptake and carbon dioxide release
8. Affect membrane permeability and activity of many enzymes
B. carbohydrates
B. lipids
G. hormones
9. Choose one "extra" term
B. amino acid
B. macromolecule
G. energy
10. Choose one "extra" term
A biosynthesis
B. photosynthesis
B. broadcast
Molecular level 1 option
1. What is the name organic matter, whose molecules contain C,O,H atoms, which performs an energy and building function?
A- nucleic acid B-protein B- carbohydrate G-ATP
2. What carbohydrates are polymers?
A-monosaccharides B-disaccharides C-polysaccharides
3. The group of monosaccharides includes:
A-glucose B-sucrose C-cellulose
4. nucleic acid monomers are:
A-amino acids B-fats C-nucleotides D-glucose
5. necessary for all chemical reactions a substance in a cell that plays the role of a solvent for most substances is ...
A- polynucleotide B- polypeptide C- water D-polysaccharide
6. Fats perform a function in the cell:
A - transport B - energy
B - catalytic G- informational
7. What compounds in relation to water are lipids?
A- hydrophilic B- hydrophobic
8. What is the importance of animal fats?
A-structure of membranes B-thermoregulation
B- source of energy D- source of water E- all of the above
9. Protein monomers are:
A-nucleotides B-amino acids C-glucose G-fats
10. what is the name of the reversible process of disruption of the structure of one of the most important organic compounds of the cell, which occurs under the influence of physical and chemical factors?
A-polymerization of glucose B-protein denaturation
B- DNA duplication D- fat oxidation
11. The amount of adenine in DNA is always equal to the amount of ...
A - thymine B -guanine C -cytosine D-uracil
12. What order will the nucleotides be in?second strand of DNA and in i-RNA , if the DNA chain has the following composition: TAC - GGT-ATA-GCG-CTT-AAG-CCT-CAT-ATC
chain of amino acids the primary structure of the encoded protein. write down anticodons
tRNA, encoding these amino acids.
Molecular level 2 option
Choose one correct answer
1. How many of the known amino acids are involved in protein synthesis?
A-20 B-100 V-23 G-150
2. The highest energy value (in terms of the amount of energy released from 1 g) has:
A) fat B) starch; B) protein; D) cellulose
3. What compounds are included in DNA?
A - nitrogenous base, deoxyribose, phosphoric acid residue
B-guanine, ribose, phosphoric acid residue.
B-ribose, glycerol and any amino acid
4. Monomers of nucleic acids are:
A-amino acids B-fats B-nucleotides D-glucose
5.To what class chemical substances refers to ribose?
A-protein B - carbohydrate C-lipid
6. What nucleotide is not part of the DNA molecule?
A- adenyl B-uridyl B-guanyl D-thymidyl
7. Which of the nucleic acids has the greatest length?
A-DNA B-RNA
8. The nucleotide is complementary to the guanyl nucleotide:
A-thymidyl B-cytidyl B-adenyl G-uridyl
9. The process of doubling DNA molecules is called:
A-replication B-transcription
B-complementarity G-translation.
10. tRNA:
AHave an anticodonB.Carries nucleotides
C. Located in the cytoplasm D. The molecule consists of two chains
11. The amount of guanine in DNA is always equal to the amount of ...
A - thymine B -adenine C -cytosine G-uracil
12. According to the section of codogenic DNA
TAC - AAT-GCG-ATG-CTT-AGT-TTA-GGA -ATT
Build complementary chain
i-RNA
Using a table genetic code, compose chain of amino acids the primary structure of the encoded protein.
write down tRNA anticodons, encoding these amino acids.
Molecular level of organization of living nature. test grade 9 Ι option
1. The connection of two strands of DNA into a helix is carried out by bonds:
a) ionic
b) hydrogen
c) hydrophobic
d) electrostatic
2. Monosaccharides include:
a) lactose, glucose
b) deoxyribose, sucrose
c) glucose, fructose
d) glycogen, maltose
3. Polymers include:
a) starch, protein, cellulose
b) protein, glycogen, fat
c) cellulose, sucrose, starch
4. Monomers of DNA and RNA are:
a) nitrogenous bases
b) deoxyribose and ribose
d) nucleotides
5. Changeable parts of an amino acid are:
a) amino group and carboxyl group
b) radical
c) carboxyl group
d) radical and carboxyl group
6. Which of the substances is highly soluble in water?
a) fiber b) protein c) glucose d) lipids
7. In which case is the composition of the DNA nucleotide correctly indicated?
a) ribose, phosphoric acid residue, thymine
b) phosphoric acid, uracil, deoxyribose
c) phosphoric acid residue, deoxyribose, adenine
d) phosphoric acid, ribose, guanine
8. Amino acids in a protein molecule are connected by:
a) ionic bond
b) peptide bond
c) hydrogen bond
d) covalent bond
9. Enzymes are biocatalysts consisting of:
a) proteins b) nucleotides c) lipids d) fats
10. Carbon as an element is included in:
a) proteins and carbohydrates
b) carbohydrates and lipids
c) carbohydrates and nucleic acids
d) all organic compounds of the cell
Molecular level of organization of living nature. test grade 9 ΙΙ option
1. What is the function of ribosomal RNA?
a) forms the active centers of the ribosome
b) carries information from DNA
c) carries amino acids to ribosomes
d) all of the listed functions
2. Molecules are built from amino acid residues:
a) carbohydrates b) proteins c) lipids d) fats
3. The secondary structure of the protein is maintained:
a) peptide bonds
b) hydrogen bonds
c) disulfide bonds
4. In the process of biochemical reactions, enzymes:
a) they speed up reactions without changing themselves
b) accelerate reactions and change as a result of the reaction
c) slow down reactions without changing
d) slow down reactions by changing
5. Which of the named chemical compounds is not biopolymer?
a) protein b) glucose c) deoxyribonucleic acid d) cellulose
6. Protein molecules differ from each other:
a) the sequence of alternation of amino acids
b) the number of amino acids in the molecule
c) the shape of the tertiary structure
d) all of the above features
7. Monomers of nucleic acids are:
a) deoxyribose and phosphate groups
b) ribose or deoxyribose
c) nitrogenous base, carbohydrate, phosphoric acid residue
d) nucleotides
8. What is the function of transfer RNA?
a) carries amino acids to ribosomes
b) carries information from DNA
c) forms ribosomes
d) all of the listed functions
9. Polysaccharides include:
a) starch, ribose
b) glycogen, glucose
c) cellulose, starch
d) starch, sucrose
10. The cell contains DNA:
a) in the nucleus and mitochondria
b) in the nucleus, cytoplasm and various organelles
c) in the nucleus, mitochondria and cytoplasm
d) in the nucleus, mitochondria, plastids
