Test on the topic: " organic matter in a cage". 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. Main Feature proteins, which ensure the performance of various functions in the body, is: a) a variety of shapes: spiral, folded, spherical; b) proteins - high-molecular polymeric compounds; c) a huge amount of 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 nitrogenous 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. nineteen. The largest number 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. Select the incorrect statements. a) cellulose forms the walls of plant cells; b) ribose is a part of nucleic acids; in) main function proteins - 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%

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 is involved in the formation of the primary structure of a 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.

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 amino acids gives it acidic properties, and which ones - 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) they are synthesized in the cells themselves b) they come with food c) they come with vitamins d) they come in all of the above ways.

In the process of biochemical reactions, enzymes:

A) speed up reactions and do not change themselves b) speed up reactions and change themselves c) slow down chemical reactions, without changing d) slow down reactions, 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. When complete combustion 1 g of the 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 "Organic substances"

1. What is organic matter?

A) water, soda

B) proteins, nucleic acids

B) hydroxides, sugars

D) salt, fat

2. Does it belong to the property of proteins?

A) buffering

B) thermolability

B) adsorption

D) desorption

3. Functions of carbohydrates…

A) construction, energy

B) mass, transportable

B) health, heat exchange

D) gas exchange, information

4. Lipids are made up of…

A) sulfuric acid + carbohydrate

B) glucose + water

C) fatty acids + glycerol

D) fat + hydrochloric acid

5. The transfer of hereditary information from generation to generation is carried out by ...

6. How it stands for And -RNA?

A) changeable

B) inert

B) excess

D) informational

7. Biopolymers whose monomers are amino acids are called ...

B) sugar

D) nucleic acids

8. The functions of proteins include ...

A) energy

B) electric

B) energy saving

D) economic

9. Carbohydrates are divided into ...

A) trisugar

B) disugar

B) tetrasugar

D) megasugar

10. Natural high-molecular organic compounds that provide storage and transmission of hereditary information in living organisms are called ...

A) lipids

B) nucleic acids

B) carbohydrates

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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 the process of biochemical 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;