Biology test Molecular level of carbohydrates. Test on biology on the topic "Molecular level" (grade 9)

Option 1

Part A. 1. The protein molecule monomer is 1) a nitrogen base 2) monosaccharide 3) amino acid 4) lipid

2. Most enzymes are 1) carbohydrates 2) lipids 3) amino acids 4) proteins

3. The construction function of carbohydrates is that they

1) form a cellulose cell wall in plants 2) are biopolymers

3) capable of dissolving in water 4) serve as a spare agent of the animal cell

4. Lipids play an important role in cell life, as they

1) are enzymes 2) dissolved in water 3) serve as a source of energy 4) support permanent medium in a cage.

5. Proteins in contrast to carbohydrates have the ability to

1) solubility 2) denaturation 3) carrying out the nervous impulse 4) accumulation large number Energy

6. What pairs of nucleotides form form hydrogen bonds in the DNA molecule (complementary)?

1) Adenin and Timin 2) Adenin and Citozin 3) Guanine and Timin 4) Uracil and Timin

Part B. 1 . The composition of the RNA molecule includes:

A) rombing b) guani c) magnesium cation d) deoxyribosis D) amino acid E) phosphoric acid

2. Install the correspondence between the connection function and the biopolymer for which it is characteristic. In the table below, under each number defining the positions of the first column, write down the letter corresponding to the position of the second column

Biopolymer function

1) storage of hereditary information a) protein b) DNA

2) the formation of new molecules by self-esteem

3) Acceleration of chemical reactions

4) is a mandatory component of the cell membrane

5) neutralization of antigens

Part FROM

Why does glucose do not perform an overlapping role in the cage?

Test on " Molecular level Organizations. Option 2.

Part A. 1. Communication between monomers in the protein molecule is called

1) hydrogen 2) ion 3) peptide 4) energy intensive

2. The protective function of proteins is manifested in the fact that they

1) Denaturation 2) are exposed to antibodies 3) participate in the construction of the cell 4) transport gases

3. What spare nutrient is the energy reserve of the cell?

1) Starch 2) amino acid 3) nucleic acid 4) polysaccharide - chitin

4. Fats in the cell provide

1) hydrophilic transport (soluble) substances 2) dissolution of hydrophobic (not soluble in water) substances 3) acceleration chemical reactions 4) motor function

5. The main function of carbohydrates in comparison with proteins is

1) construction 2) protective 3) catalytic 4) energy

6. What carbohydrate is part of RNA nucleotides? 1) rombosis 2) glucose 3) sucrose 4) deoxyribosis

Part B.

1. The composition of the DNA molecule is included

A) phosphoric acid b) adenine c) ribosis d) deoxyribosis D) uracil e) iron cation

Record the answer in the form of a sequence of letters in alphabetical order (without spaces and other characters).

Biopolymer function

1) Formation of cell walls a) polysaccharide b) nucleic acid

2) transportation of amino acids

3) storage of hereditary information

4) serves as a spare nutrient

5) Provides an energy cell

Write the resulting sequence of letters to the table and transfer response to the form (without spaces and other characters).

Part C.1. Why do starch belong to biopolymers and what property of starch causes its sparkling function in the cell?

Test on the topic "Molecular level: proteins, fats, carbohydrates"

Option 1

A1. What class chemical substances Does rombosis?

A-protein in carbohydrate

B-lipid

A2. Considering what chemical bond is interconnected by amino acids in the primary structure protein molecule?

A-disulfide in hydrogen

B-peptide g-ion

A3. What part of amino acid molecules distinguishes them from each other?

A-radical in carboxyl group

B-amino group

A4.Monomers of proteins are:

A-nucleotides in amino acids

B-glucose Ms

A5.Questable organic substance inwalking in the cells of all the kingdoms of wildlife, which has a primary linear configuration, belongs:

A -C Polysaccharides in Lipidam

B-K ATP Mr. Polypeptides

A6. How many famous amino acids are involved in protein synthesis?

A-20 B-100

B-23.

A7. What protein function is not performed in the cell?

A-information in catalytic

B-solvent g-stocking

A8.Molecules proteins that bind and neutralizing alien to this cell of the substance perform a fencission ...

A-protective in-energy

B-catalytic M-Transport

A9. As is called organic substance in molecules which contains atoms with, o, n, performing an enheretatic and construction function?

A-Nucleic B-protein acid

B-carbohydrate g-ATP

A10. What carbohydrates refer to polymers?

A-monosaccharides

B-Disaccharides

In polysaccharides

A11. Weight for all chemical reactions in a cell that plays the role of solvent of most substances, is ...

A-polyenucleotide

B-polypeptide

In-water

Mr. Polisacharid.

Option 2.

Part A. Select one correct answer

A1.K Group of monosaccharides belongs:

A-glucose

B-Sakharozoa

In cellulose

A2. What are insoluble in water from carbohydrates?

A-glucose, fructose in starch

B-robose, deoxyribosis

A3. What polysaccharides are characteristic of living cells?

A-cellulose in glycogen, chitin

B-Stachmal

A4. Fat Molecules are formed:

A-of glycerin, higher carboxylic acids In-made glucose

B-from amino acids, water

Mr. Ethyl alcohol, higher carboxylic acids

A5.GIRs are performed in the cell function:

A-transport in-energy

B-catalytic M-information

A6.K What compounds relate to water lipids?

A-hydrophilic b-hydrophobic

A7. What values \u200b\u200bhave fats in animals?

A-structure membranes in thermal regulation

B-source of energy M-source D-all listed

A8. In the composition of which vital compound is an iron?

A-chlorophyll in DNA

B-hemoglobin Mr. RNA

A9. What share on average is water in a cage?

A-80% in 1%

B-20%

A10. Activity, well soluble. In water-called:

A-hydrophilic in amphiphilic

B-hydrophobic

A11. What is the level of organization of life there is a similarity between organic world and inanimate nature?

A-on fabric

B-on molecular

In-on cellular

In atomic

"Molecular level"

Grade 9.

1 option

1. DNA monomer
2. Where is the hereditary material in viruses?A) in the cytoplasm; B) in the kernel;C) in a special shell.
3. DNA in the composition of nucleotides does not contain:
a) ribose b) Timin c) Uracil

4. Primary protein structure
5. Functions and RNAA) stores genetic information; B) collects protein molecules;C) transfers genetic information from the kernel to the site of protein synthesis;D) delivers amino acids to the ribosome.
6. Monomer proteinA) amino acid; B) nucleotide;C) monosaccharides; D) glycerin and fatty acids.
7. Compliance with AA, Mr., A-y is called:
a) transcription b) RedupticatiI C) complementarity. DNA chains are held together with:
a) peptide bonds b) ionic bonds c) hydrogen ties
9. Secondary protein structureA) chain amino acids; B) globule;C) spiral; D) a few global collected into a single complex.
10. DNA functionsA) stores genetic information; B) delivers amino acids to the ribosome;D) collects protein molecules; D) participates in the biosynthesis of protein.
11. RNA is found in:
a) kernel b) cytoplasm c) ribosomes

12. The process of loss of natural protein structure:
a) renaturation b) denaturation
c) homeostasis

13. Biological catalysts are:
a) antigens b) antibodies c) enzymes

14. Enzyme:
a) accelerates several types of reactions at once
b) works in narrow temperature limits
c) can only work with a certain value of the pH of the medium

15. Functions of carbohydrates in animal cells:
a) stocking b) energy
c) transport

16. Fiber and chitin are examples:
a) polysaccharides b) monosaccharides c) disaccharides

17 . How is the organic substance, in the molecules of which contain atoms C, O, H, performing an enheretatic and construction function?A-Nucleic B-protein acidB-carbohydrate g-ATP
18. What carbohydrates refer to polymers?A-monosaccharides B-Disaccharides in polysaccharides19.k, the group of monosaccharides belongs:A-glucose b-sucrose in cellulose 20 .Kakova Role aTF molecules in a cage?A-provide transport function B-transmit inheritance information B-provide processes of life activity Mr. accelerate biochemical reactions
21. Give the definition of the terminas: DNA, RNA, complementarity, nucleotide, cellulose.22. Task: The DNA molecule section has the following structure: Aiatzzgatharttagttagg, it is necessary to complete the complementary chain and RNA.

Test By biology

"Molecular level"

Grade 9.

Option 2

1. Lipids from other substances differ:
a) hydrophilic parts
b) hydrophobic parts
c) solubility in water

2. Monomers of proteins - this:
a) amino acids b) monosaccharides c) nucleotides

3. Proteins are:
a) polynucleotides b) polypeptides
c) polysaccharides

4. Place a sequential protein structure:
a) globula b) polymer chain
c) Spiral

5. Hydrogen bonds are found in:
a) proteins b) nucleic acids
c) Lipid

6. The RNA does not occur as part of RNA:
a) rombing b) adenine c) glycerin

7. RNA most often consist of:
a) one chain b) two chains
c) individual nucleotides

8. Glycogen performs:
a) transport b) catalytic
c) stocking function

9. Denaturation of protein occurred when exposed to a small dose of UV. After removing the effect of UV, protein function recovered. What levels of the structure suffered during denaturation:a) only secondary structure; b) only the primary structure;
c) tertiary and secondary; d) tertiary, secondary and primary.
10. From the specified compounds lipid nature has:a) hemoglobin; b) insulin; c) testosterone; d) Penicillin.
11. DNA chains are held together with:
a) peptide bonds b) ionic ties
c) hydrogen ties

12. Monomer fiber, starch, glycogen is1) fructose 2) amino acid 3) glucose 4) ribose13. How many famous amino acids are involved in proteins synthesis?A-20 B-100 V-23
14. What part of amino acid molecules distinguishes them from each other?A-radical B-carboxyl group B-amino group
15. What compounds are part of ATP?A-adenine, carbohydrate rombing, 3 phosphoric acid moleculesB- Guanin, fructose sugar, phosphoric acid residue.In ribose, glycerin and any amino acid
16.Guanil nucleotide Complements Nucleotide:A-thimidyl in-cytidylB-adenyl g-uridyl
17. As a scientist proposed the term "biology":A) Ch. Darwin;B) A. Levenguk; C) T. RUZ; D) L. K. Treviranus.
18. Glycogen and cellulose are examples:
a) polysaccharides b) monosaccharides
c) Disacharid
19. Myonomers of nucleic acids are:A-amino acids in fatsB-nucleotides Mr. Glucose
20. What class is chemical. Evidence refers ribose?A-protein b-carbohydrate in lipid
21. A task. In which sequence, nucleotides in and-RNA will be located if the DNA chain has the following composition: GGTATAGTSTTAAHTSCTT.
22. Give the Definition of Terminams: Polysaccharides, Enzymes, Renatura, Monomer, chitin.

Grade 9.

1 option

A) polymer

B) Homopolymer

2. Which of the following substances NOTare polymers?

A) glucose c) cholesterol

B) glycogen d) hemoglobin

3. From the following substances, select Polysaccharides:

A) glucose e) sucrose

B) starch g) chitin

C) robosis h) lactose

D) glycogen and fructose

E) deoxyribosis K) cellulose

4. The protein monomer is:

A) nucleotide

B) amino acid

C) glucose

D) glycerin

5. The starch monomer is:

A) nucleotide

B) amino acid

C) glucose

D) glycerin

6. Proteins governing the speed and direction of chemical reactions in the cell:

A) hormones

B) enzymes

C) vitamins

D) proteins

7. The sequence of monomers in the polymer is called:

A) primary structure

B) secondary structure

C) tertiary structure

D) quaternary structure

Substances: Functions:

1. Energy

2. Structural

A) lipids 3. supply of nutrients

4. Protective

5. Information

6. Catalytic

7. Transport

Grade 9.

Independent work on this topic:

"Molecular level of organization."

Option 2

1. Give the definition of the terminas:

A) polymer

B) heteropolymer

2. Which of the following substances are polymers?

A) glucose c) chitin

B) glycogen d) hemoglobin

3. From the following substances, select Monosaccharides:

A) glucose e) sucrose

B) starch g) chitin

C) robosis h) lactose

D) glycogen and fructose

E) deoxyribosis K) cellulose

4. The composition of fats includes:

A) nucleotide

B) amino acid

C) glucose

D) glycerin

5. Substances regulating the metabolism in the cell:

A) hormones

B) enzymes

C) vitamins

D) proteins

6. The sequence of monomers in protein is called:

A) primary structure

B) secondary structure

C) tertiary structure

D) quaternary structure

7. Catalysts of chemical reactions are

B) Carbohydrates

D) nucleic acids

8. Sign up the name organic The numbers corresponding to the functions performed by this substance in the cell.

Substances: Functions:

A) proteins 1. Energy

2. Structural

3. Nutrient stock

4. Protective

5. Information

6. Catalytic

Verification work on the topic "Molecular standard of living".

Option 1

Task 1 (only one correct answer).

1.Mimal level of living organization on which the ability to exchange substances, energy, information is manifested:

A.Biospherenny

B. cell

V.Molecular

Organism

2. What is the most common for all the well-known levels of organization of life?

A. Elements that make up the system

B. Systems system system

V.Zakomomnia, operating at each level

The city, which has this system

3. How out chemical elements Is it contained in cells in the smallest quantity?

B. Kisgorod

V. Carl

Incegorod

4bility of the camel is good to transfer thirst due to the fact that fats:

Assochanitate water in the body

B.Delive water when oxidation

B.Cozda heat insulating layer, reducing evaporation

5. What department of the digestive system begins the splitting of carbohydrates?

A.V. Thied intestines

B.V. Stomach

Vladimir V. Delightener

G.Volovaya cavity

6. The changing parts of the amino acid are:

A. Karboxyle Group

B.aminogroup and carboxyl group

V.Radikal

Radical and carboxyl group

7. MONEOMERS DNA and RNA are:

A.Azotic foundations

B. Detoxiribosis and Ribose

V.Azotic foundations and phosphate groups

Novkleotidy

8. What is the longest from RNA molecules?

9. The functions in the body are performed:

A. Vauglevod

B.Nucleinic acids

V. Amino acid

10. What from chemical elements is simultaneously included in bone tissue and nucleic acids?

V. Caltia

Task 2.

The cell has ____ type of nucleic acids - ____ and _____. These biopolymers consist of ___________, called ____________. Each nucleotide consists of ___ components.

The DNA includes the following nitrogenous bases __________, __________, ___________,

The RNA is __________, _________, ___________, __________.

2. Excite an excess concept.

A. Glicin, Valin, Isolecin, Timin, Arginine.

B.Krahmal, Fruutza, Glycogen, Cellulose, Hitin.

3. If the DNA circuit contains 18% of nucleotides r, then what should the amount of nucleotide T approximately should be?

Option 2.

Task 1 (only 1 correct answer).

1. How the levels are higher level organization of life?

A. Bohechoe

B.Biocecotic

V.Organisman

Biosphere

2. Memorial relations begin to appear:

A.No organisman

B.Na population-view level

V.Na Biogenotic level

In the biosphere level

3. What kind of water properties is due to its polarity?

A. Tepliding

B.bility Dissolve polar connections

B. Ability to dissolve non-polar connections

Treatment

4. Messages are digested:

A.V alkaline environment

B.V. acidic environment

Vladimir V.L. Sloblochoe

G.V. Neutral

5. What kind of chemical compounds is not a biopolymer?

A. Salelyloza

V. Glucose

6. In what of these substances dissolves lipids?

Solotnaya Acid

7. The first protein structure is held:

A. Hydrophobic connections

B.peptide connections

V. Farborovy bonds

Dysulfide bonds

8. Enimensions are biological catalysts consisting of:

A.lipid

B.Nucleotide

9. What function performs T - RNA?

A.Pernos amino acids on ribosomes

B. Forms Ribosomes

V.Carnation and transfer of information from DNA

All Functions listed

10. The rectic structure of the protein is supported:

A.peptide connections

B. Original bonds

V.Disulfide connections

Svyazyov between the radicals of acids.

Task 2.

1. Fill skip in the text:

Chemical compoundsConsisting of ____________ are called polymers. Biopolymers include ___________, _________________________________________________. The protein monomers are ____________, most carbohydrates __________, DNA and RNA ____________.

2.Cill the concept:

A. Citozin, Timin, Glycine, Adenin, Guanin

B.Glicin, Hitin, Valin, Cisteine, Alanine

3.If the DNA circuit contains 31% nucleotide A, then what should the amount of nucleotide C approximately be equal?

Right answers:

Option 1. Option 2

Task 1. Task 1.

10 - B 10 - B

Task 2.

1.Dva. DNA and RNA. Monomers, nucleotides. 1. Songs. Proteins, nucleic acids,

3. Adenine, Timin, Guanin, Cytozin. Adenin, fats, carbohydrates. Amino acids, glucose,

uracil, Guanin, Citozin. nucleotides.