Tests on organic substances of the cell. Control work in biology on the topic "organic substances"
Educational institution: Medium comprehensive school No. 35, the city of Kamensk-Uralsky, Sverdlovsk region.
Brief job description:
Publication date: 2016-12-06 Test on the topic " organic matter cells" Balabanova Natalia Leontievna The test includes questions on the main organic substances - proteins, lipids, carbohydrates and nucleic acids. C1-24 task choice from 4 answers - one.
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Test on the topic "Organic substances of the cell"
1 .Among the listed functions, select the function that lipids do not perform.
a) transport; b) construction;
c) catalytic; d) the main energy reservoir of the cell.
2 . The ability of camels to tolerate thirst well is explained by the fact that:
a) fats retain water in the body;
b) fats release water during oxidation;
c) fats create a heat-insulating layer that reduces evaporation;
d) organisms have developed a habit of dehydration.
3 . In plant cells, the storage carbohydrate is:
a) glucose; b) starch c) cellulose; d) glycogen.
4 . The correct statement is:
a) all carbohydrates are soluble in water, and lipids are insoluble;
b) some carbohydrates are soluble in water, while lipids are insoluble;
c) all carbohydrates and lipids are non-polar compounds;
d) all carbohydrates are hydrophilic substances;
5 . Does not consist of amino acids:
a) hemoglobin; b) insulin; c) glycogen; d) albumin.
6
. The RNA molecule contains nitrogenous bases:
b) thymine, uracil, adenine, guanine d) adenine, uracil, thymine, cytosine.
7
.In the composition of RNA, the ratio of nucleotides is constant:
a) A+G/T+C b) A+G/U+C c) A+U/G+C d) A/G,U/C
8 . What percentage of nucleotides with cytosine does DNA contain if the proportion of its adenine nucleotides is 10% of the total?
a) 40% c) 80% b) 45% d) 90%
9 . Among the listed functions, select a function that proteins do not perform.
a) protective; c) construction;
b) catalytic; d) the main energy reservoir of the cell.
10 . For a tired marathon runner at a distance, to maintain strength, it is more expedient to give:
a) a piece of sugar c) a little butter;
b) a piece of meat; d) some mineral water.
11 . In animal cells, the storage carbohydrate is:
a) cellulose; b) starch; c) glucose; d) glycogen.
12 . The greatest amount of energy is released during the splitting of one gram:
a) fat; b) glucose; c) protein; d) cellulose.
13
.DNA molecule contains nitrogenous bases:
a) adenine, guanine, uracil, cytosine c) cytosine, guanine, adenine, thymine
b) thymine, uracil, thymine, cytosine d) adenine, uracil, thymine, cytosine
14
.In the composition of DNA, the ratio of nucleotides is constant
a) A+G/T+C b) A+T/G+C c) A+C/T+G d) A/G, T/C
15
.The cell contains DNA in:
a) nucleus c) nucleus and cytoplasm
b) nucleus, cytoplasm and mitochondria d) nucleus, mitochondria and chloroplasts
16 Choose the false statements.
a) cellulose forms the walls of plant cells;
b) ribose is a part of nucleic acids;
c) the main function of proteins is the storage and transmission of hereditary information;
d) the buffer properties of cells depend on the amount of carbohydrate.
17. The main source of energy for newborn mammals is:
A) glucose; c) starch;
B) glycogen; d) lactose.
18. Which of the following compounds has a lipid nature?
a) hemoglobin; b) insulin; c) testosterone; d) penicillin.
19. In what case is the formula of a glucose molecule written in a proper way?
a) C5H12O5; b) C6H10O6; c) C6H12O6; d) C6H12O5.
20. Cells of which of these organisms are richest in carbohydrates?
A) human muscle cells; c) onion skin cells;
b) potato tuber cells; d) bear subcutaneous tissue.
21. Which of the following substances dissolve lipids?
A) ether b) alcohol; c) water; d) hydrochloric acid.
22 .In process bio chemical reactions enzymes:
A) accelerate reactions and do not change themselves;
B) accelerate reactions and change as a result of the reaction;
C) slow down chemical reactions without changing;
Test on the topic: "Organic substances in the cell." General Biology Grade 9 Option 1. Choose one correct answer. 1. Carbon as an element is included in: a) proteins and carbohydrates c) carbohydrates and lipids b) carbohydrates and nucleic acids d) all organic compounds of the cell 2. The main feature of proteins, which ensures their various functions in the body, is: a) diversity forms: spiral, folded, spherical; b) proteins - high-molecular polymeric compounds; in) great amount proteins in the body. 3. Of those named chemical compounds a biopolymer is not: a) protein; c) glucose; b) deoxyribonucleic acid; d) cellulose 4. Among the listed functions, select the function that lipids do not perform. a) transport; b) construction; c) catalytic; d) the main energy reservoir of the cell. 5. The ability of camels to tolerate thirst well is explained by the fact that: a) fats retain water in the body; b) fats release water during oxidation; c) fats create a heat-insulating layer that reduces evaporation; d) organisms have developed a habit of dehydration. 6. In plant cells, the storage carbohydrate is: a) glucose; b) starch c) cellulose; d) glycogen. 7. The statement is correct: a) all carbohydrates are soluble in water, and lipids are insoluble; b) some carbohydrates are soluble in water, while lipids are insoluble; c) all carbohydrates and lipids are non-polar compounds; d) all carbohydrates and lipids are polar compounds; 8. Does not consist of amino acids: a) hemoglobin; b) insulin; c) glycogen; 9. All proteins are similar: a) the sequence of amino acids b) the nature of chemical bonds in the molecule c) the choice of amino acids d) the molecular weight 10. The RNA molecule contains nitrogen bases: a) adenine, guanine, uracil, cytosine b) thymine, uracil, adenine, guanine d) albumin. c) cytosine, guanine, adenine, thymine d) adenine, uracil, thymine, cytosine. 11. In the composition of RNA, the ratio of nucleotides is constant: a) A + G / T + C b) A + G / U + C c) A + U / G + C d) A / G, U / C 12. What is the percentage nucleotides with cytosine contains DNA if the proportion of its adenine nucleotides is 10% of the total? a) 40% c) 80% b) 45% d) 90% 13. The main feature of carbohydrates, which ensures the performance of various functions in the body, is: a) a variety of shapes: spiral, folded, spherical; b) the excess of the number of water molecules in comparison with carbon; c) a huge variety of sizes. 14. Spiralization of a protein molecule through the formation of hydrogen bonds characterizes the protein structure: a) primary b) secondary c) tertiary d) quaternary 15. Among the listed functions, select the function that proteins do not perform. a) protective; c) construction; b) catalytic; d) the main energy reservoir of the cell. 16. Protein denaturation can be caused by: a) high temperature; c) irradiation; b) high pressure; d) all of the above factors. 17. It is more expedient to give a tired marathon runner at a distance to maintain strength: a) a piece of sugar; c) a little butter; b) a piece of meat; d) some mineral water. 18. In animal cells, the storage carbohydrate is: a) cellulose; b) starch; c) glucose; d) glycogen. 19. The greatest amount of energy is released during the splitting of one gram of: a) fat; b) glucose; c) protein; d) cellulose. 20. The DNA molecule contains nitrogenous bases: a) adenine, guanine, uracil, cytosine c) cytosine, guanine, adenine, thymine b) thymine, uracil, thymine, cytosine d) adenine, uracil, thymine, cytosine is the ratio of nucleotides a) A + G / T + C b) A + T / G + C c) A + C / T + G d) A / G, T / C 22. The cell contains DNA in: a) the nucleus b ) nucleus, cytoplasm and mitochondria c) nucleus and cytoplasm d) nucleus, mitochondria and chloroplasts 23. Choose the incorrect statements. a) cellulose forms the walls of plant cells; b) ribose is a part of nucleic acids; c) the main function of proteins is the storage and transmission of hereditary information; d) the buffer properties of cells depend on the amount of carbohydrate. 24. In a DNA molecule, the number of nucleotides with guanine is 10?% of the total. How many nucleotides with adenine are in this molecule? a) 10% c) 40% b) 20% d) 90%
TESTS ON THE TOPIC "ORGANIC SUBSTANCES OF THE CELL"
Option 1.
Choose one answer:
How many amino acids make up the whole variety of proteins?
A) 26 b) 20 c) 40 d) 420
Which functional group of amino acids makes it acidic, and which - alkaline?
A) acidic - carboxyl, alkaline - radical
B) acidic - radical, alkaline - amino groups.
C) acidic - carboxyl group, alkaline - amino group.
D) acidic - amino group, alkaline - radical.
3. What is the structure of a hemoglobin molecule?
A) primary b) secondary c) tertiary d) quaternary
4. What bonds stabilize the primary structure?
A) erythrocytes b) lymphocytes c) phagocytes d) platelets.
10. If the DNA chain contains 28% of nucleotides A, then what should be the amount of G?
A) 28% b) 14% c) 22% d) 44%.
Pick a few answers:
11. Proteins in the cell perform the following functions:
A) structural b) protective c) transport d) spare e) storage and transmission
12. What elements are included in proteins?
A) oxygen b) magnesium c) iron d) carbon e) nitrogen f) sulfur
Tests on the topic "ORGANIC SUBSTANCES OF THE CELL"
OPTION 2.
Choose one correct answer:
How do essential amino acids enter animal cells?
a) are synthesized in the cells themselves b) come with food c) come with vitamins d) come in all of the above ways.
In the process of biochemical reactions, enzymes:
A) they speed up reactions and do not change themselves b) they speed up reactions and change themselves c) they slow down chemical reactions without changing d) they slow down reactions without changing themselves.
3. For the treatment of severe forms of diabetes mellitus, patients must enter:
A) hemoglobin b) insulin c) antibodies d) glycogen
4. Protein molecules differ from each other: a) the sequence of alternation of amino acids b) the number of amino acids c) the structure d) all answers are correct
5. Which of the compounds is not built from amino acids? A) hemoglobin b) glycogen
6. Changeable parts of amino acids are:
A) amino group and carboxyl group b) radical c) carboxyl group d) radical and carboxyl group.
7. RNA monomers are: a) nitrogenous bases b) ribose and deoxyribose c) nitrogenous bases and phosphate groups d) nucleotides
8. Reacts with amino acids: a) t-RNA b) i-RNA c)_r-RNA d) DNA
9. Building carbohydrate of plant cells? A) chitin b) starch c) cellulose d) glycogen e) milk sugar
10. What organic matter is more energy intensive? A) carbohydrates b) proteins c) fats
11. The model of the structure of the DNA molecule was proposed by:
A) Schleiden and Schwann b) Mendel and Morgan c) Watston and Crick d) Darwin and Wallace
12. What are the dimensions of DNA? A) width 20 microns, length up to 8 cm b) width 2 microns, length up to 8 cm c) width 20 nm, length up to 8 cm, d) width 2 nm, length up to 8 cm.
13. A DNA fragment contains 30,000 nucleotides A. If DNA replication occurs, how many A- and T-nucleotides will be required for this? A) A-60,000, T - 60,000.
B) A - 30,000, T - 30,000. c) A-15,000, T - 15,000 d) there is not enough data to answer.
14. Where is DNA found in eukaryotic cells?
A) in the nucleus b) in the ribosomes c) in the Golgi complex d) in the cytoplasm
Option 1.
1. Which of the following carbohydrates are classified as monosaccharides?
2. Which of the following carbohydrates are classified as polysaccharides?
A) starch b) glycogen c) glucose d) ribose e) maltose
E) lactose g) cellulose h) deoxyribose
3. Which of the following carbohydrates are classified as disaccharides?
A) starch b) glycogen c) glucose d) ribose e) maltose
E) lactose g) cellulose h) deoxyribose
7. What are the functions of lipids?
8. In what order will substances be broken down during prolonged starvation, for example, a bear sleeping in winter?
A) proteins b) fats c) carbohydrates
Testing on the topic “Carbohydrates. Lipids"
Option 2.
Choose a few correct answers:
1. What are the functions of lipids?
A) structural b) energy c) heat-insulating d) storage.
2. In what order will substances be broken down during prolonged starvation, for example, a bear sleeping in winter?
A) proteins b) fats c) carbohydrates
Which of the following carbohydrates are classified as monosaccharides?
A) starch b) glycogen c) glucose d) ribose e) maltose
E) lactose g) cellulose h) deoxyribose
4. What functions do carbohydrates perform?
A) structural b) energy c) catalytic d) storage
5. Complete combustion of 1 g of a substance released 38.9 kJ of energy. What substance burned? A) carbohydrates b) fats c) proteins d) not carbohydrates and not lipids.
6. What substances form the cell membrane?
A) carbohydrates b) fats c) waxes d) lipids.
7. Which of the following carbohydrates are classified as polysaccharides?
A) starch b) glycogen c) glucose d) ribose e) maltose
E) lactose g) cellulose h) deoxyribose
8. Which of the following carbohydrates are classified as disaccharides?
A) starch b) glycogen c) glucose d) ribose e) maltose
E) lactose g) cellulose h) deoxyribose
Test № 1
First option
1. Which substance belongs to monosaccharides:
A) sucrose B) glucose C) starch D) maltose
2. The main function of carbohydrates:
3. An extensive group of fat-like substances that are insoluble in water:
4 .How much energy is released during the breakdown of 1 g of carbohydrates:
A) 17.6 kJ B) 36.9 kJ
5 .What polysaccharides are characteristic of a plant cell:
A) cellulose B) glycogen C) chitin
6). Which compounds are protein monomers:
7.
DNA does not contain nucleotides:
A) ribose B) thymine C) uracil
8. By what chemical bond are amino acids connected to each other in a protein molecule of the primary structure:
9. What chemical is included in the fat molecule?
A) amino acid B) glycerol C) glucose
10.
The correspondence A-T, G-C, A-U is called:
A) transcription B) reduplication C) complementarity
inorganic substances cells?
What organic compounds are biopolymers?
DNA monomers?
Types of RNA?
Functions of fats in the cell?
What is a peptide bond?
Which compounds contain hydrogen bonds?
Enzymes?
Write definitions: bbiologically active substances, hormones,
Antibiotics.
solve problems
1. How many nucleotides of adenine (A), thymine (T), guanine (G) and cytosine (C) are contained in a fragment of a DNA molecule, if it is found1200 nucleotides of cytosine, which is 20% of the totalthe number of nucleotides in this DNA fragment?
GGATCTAAACAT. Determine the nucleotide sequence on
Test No. 1
Second option
1. Which substance is a disaccharide?
A) sucrose B) glucose C) starch D) glycogen
2. The main function of fats:
A) construction B) energy C) regulatory D) storage
3. An extensive group of organic substances of paramount importance:
A) proteins B) lipids C) carbohydrates
4. How much energy is released during the breakdown of 1 g of fat:
A) 17.6 kJ B) 36.9 kJ
5. What polysaccharides are typical for animal cell:
A) cellulose B) glycogen C) starch
6. Which compound is a starch monomer:
A) fatty acids B) amino acids C) glucose D) glycerol
7.
DNA duplication is called:
A) renaturation B) regeneration C) reduplication
8. By what chemical bond are amino acids connected to each other in a protein molecule of the secondary structure:
A) hydrogen B) peptide C) disulfide
9. What kind chemical substances is part of the fat molecule:
A) amino acid B) fatty acids C) glucose
10.
Biological catalysts are:
A) antigens B) antibodies C) enzymes
Give a short answer to the question.
The organic matter of the cell?
The structure of a nucleotide.
Functions of water in a cell?
The tertiary structure of a protein?
Carbohydrates are biopolymers?
macroergic bond?
hydrophilic substances?
Denaturation?
Write definitions: vitamins,alkaloids, nucleic acids.
solve problems
1. A fragment of a DNA molecule contains 440 guanine nucleotides,
which is 22% of the total. Define content
remaining nucleotides and the length of this fragment?
2. A fragment of a DNA chain has the following sequence:
AAGTGTGGGTATTGA. Determine the nucleotide sequence on
second strand of DNA, mRNA. Determine the amino acid sequence
in a fragment of a protein molecule using the genetic code table.
Option 1
1. From the named compounds, select structural component squirrel:
a) nucleotide b) amino acid
c) glucose
2. Name protein catalysts:
a) hormones b) enzymes
c) antioxidants
3. What chemical bond participates in the formation of the primary structure of the protein?
7. Sucrose is:
a) monomer b) polysaccharide
c) disaccharide
8. Which substance is not a carbohydrate?
a) lactose b) cellulose
c) amylase
9. Cholesterol refers to:
a) to lipids b) to nucleotides
c) to carbohydrates
10. In plants, starch, and in animals:
a) chitin b) cellulose
c) glycogen
11. Establish a correspondence between the given substance and the functions performed by this substance in the cell.
Substances: Functions:
A) Proteins 1. Energy
B) Carbohydrates 2. Structural
C) Lipids 3. Supply of nutrients
4. Protective
5. catalytic
6. Transport
1. Among the organic components of the cell, carbohydrates are the most important.
2. The quaternary structure is not characteristic of all proteins.
3. Glucose is a monosaccharide.
4. Lipids are substances that are highly soluble in water.
Test "Organic substances of the cell" Grade 10
Option 2
1. How many amino acids make up the whole variety of proteins?
2. The monomer of proteins is:
a) nucleotide b) glucose
c) amino acid
3. Starch monomer is:
a) nucleotide b) glucose
c) glycerin
4. Proteins that regulate the speed and direction of chemical reactions in the cell:
c) enzymes
5. The sequence of monomers in a polymer is called:
a) primary structure b) secondary structure
c) tertiary structure
6. Proteins that do not contain non-protein parts:
a) hormones b) proteins
c) enzymes
7. Lactose is:
a) polymer b) monomer
c) milk sugar
8. Amino acids that are not synthesized in human cells are called:
a) irreplaceable b) irreplaceable
c) irreparable
9. What is cellulose called in Russian?
a) starch b) fiber
c) viscose
10. The tertiary structure has the configuration:
a) spirals b) folds
c) globules
11. Establish a correspondence between the substance and the class of carbohydrates:
Carbohydrate class: Substance:
A) monosaccharides 1. ribose
B) oligosaccharides 2. starch
C) polysaccharides 3. lactose
5. sucrose
6. cellulose
12. Choose the correct statements:
1. Proteins are high-molecular organic compounds.
2. The loss of a protein molecule by its natural structure is called renaturation.
3. The main function of carbohydrates is building.
4. Wax is an integral component of cell membranes.
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- Acceptable Value Range (ODZ), theory, examples, solutions