6th gradePart I

You are offered test tasks that require you to select only one answer out of four possible. The maximum number of points that can be scored is 10 (1 point for each test task). Indicate the letter of the answer that you consider to be the most complete and correct in the answer matrix.

1. Translated into Russian as the word “plant, grass”:
a) “botane”, b) “bios”, c) “dendro”, d) “logos”.

2. Corn refers to:

a) annual grasses, b) trees,

c) perennial herbs, d) shrubs.

3. Plants are considered the main source on Earth:

a) carbon dioxide, b) nitrogen, c) hydrogen, d) oxygen.

4. The generative organs of the plant include:

a) flower, b) stem, c) leaf, d) root.

5. Which of the following is typically characteristic of an old plant cell?

a) one very large vacuole, b) the nucleus is located in the center,

c) very thin cell membrane, d) intensively divides.

6. Reproduces by spores:

a) apple tree, b) radish, c) fern, d) spruce.

7. The bean seed has the greatest mass:

a) seed coat, b) cotyledons,

c) embryonic bud, d) embryonic root.

8. Linden differs from a beetle in that it:

a) grows, b) forms organic substances,

c) consists of cells, d) breathes.

9. What is the term for a stem with leaves and buds:

a) trunk, b) branch, c) shoot, d) aerial root.

10. The schoolboy took a leaf torn from a tree for research. He tried to see the chloroplasts in his cells under a microscope. He saw nothing but a dark green field. What was his mistake?

a) incorrect installation of the light,

b) it was necessary to set a higher magnification,

c) it was necessary to make a thin cut of the sheet,

d) it was necessary to tint the sheet with dye.

Part II.

Choose one answer option from four possible, but requiring preliminary multiple choice (2 points for each test task)

Plants form organic substances from inorganic substances, for this they need:1. oxygen 2. carbon dioxide 3. water 4. solar energy 5. soil 6. wind

A - 1,3,5 B - 2,3,4 C - 1,3,4 D - 2,4,62. Single-celled organisms include:1. yeast 2. ciliates 3. spirogyra 4. clubmoss 5. chlamydomonas 6. ferns

A - 1,2,5 B - 2,3,5 C - 4,5,6 D - 2,4,53. Mushrooms can be found1. on trees 2. on stones 3. on a piece of bread 4. on soil with a high content of humus 5. on water 6. on sand A - 1,2,5 B - 1,3,4 C - 4,5,6 G- 2,4,54. Signs of wildlife:1. reproduction 2. solubility 3. appearance of rust 4. electrical conductivity 5. respiration 6. metabolism and energy

A - 1,2,5 B - 2,3,5 C - 1,5,6 D - 2,4,65. Breathing is1. entry into the body of carbon dioxide 2. entry into the body of oxygen and release of carbon dioxide 3. release of carbon dioxide from the body 4. receipt of necessary substances by the body from the environment 5. release of unnecessary substances from the body

A - 2.4 B - 2.5 C - 1.4 D - 2.3

Part III.

You are offered test tasks in the form of judgments, with each of which you must either agree or reject. In the answer matrix, indicate the answer option “yes” or “no”. The maximum number of points that can be scored is 5 (1 point for the correct answer).

The overall appearance of a plant is called life form.

Cell sap is the contents of a living cell.

The main sign of cell life is metabolism.

Poplar is a seed plant.

Atmosphere - the watery shell of the Earth

Part IV.

You are offered a test task that requires establishing compliance. The maximum number of points that can be scored is 5. Fill out the answer matrices in accordance with the requirements of the tasks.

Match the plant with its lifespan:

Lifespan of Plants

A. Annual 1. Carrot

B. Biennial 2. Tomato

B. Perennial 3. Rosehip

4. Birch

5. Wheat

Response Matrix
I _________ stage
School Olympiad for students in biology. 2016 -17 academic year year
__ 6 ____ Class [maximum 30 points]

Part I . [max. 1 0 points, 1 point for each correct answer] ________ points.

Part II . [max. 10 points, 2 points for each correct answer] ______ points.

Part III . [max. 5 points] correct judgments numbered: 1, 3, 4.

Part IV . [max. 5 points] - A-2.5 B-1 C-3.4

Total max.___30_ points

Response Matrix
for theoretical round tasks _______ I _________ stage
School Olympiad for students in biology. 201 6 -1 7 uch. year
__ 6 ____ Class

Part I .

Part II .

Part III . Correct judgments numbered:

Part IV .

Choose one correct answer. Draw lines connecting the numbers in the correct answer. To which kingdom does the living system obtained as a result of work belong?

1 . The student took a leaf torn from a tree for research and began to examine it through a microscope. He saw nothing but a dark green field. His error is:

a) incorrect installation of light (1–3–5–4–2);
b) volume. that he did not put a larger increase (4-3-1-2-5);
c) that he did not make a thin cut of the sheet (1-2-3-4-5).

2 . The boundary between the cell and the environment is:

a) cytoplasm (5–7–6–1–8);
b) intercellular substance (5–6–1–7–8);
c) shell (1–8–7–6–5).

3 . What the cells of all organisms have in common:

a) metabolism occurs in any living cell (12–32–29);
b) all plant cells have chloroplasts (29–12–32).
c) all plant cells have the same number of chromosomes (32–29–12).

4 . Cytoplasm in a cell:

a) moves slowly (12–11–31–29);
b) moves very quickly (29–11–31–12);
c) does not move (11–29–12–31).

5 . Plastids in plant cells are:

a) blue, purple, crimson (25–26–27–10–25);
b) green, yellow, orange, colorless (27–26–10–25–27);
c) green, blue, red, black (26–10–27–25–26).

6 . Green plastids are called:

a) chloroplasts (9–13–33–18);
b) chromoplasts (33–9–13–18);
c) chromosomes (18–9–13–33).

7 . Plant organs increase in size due to:

a) increase in the number of cells (21–18–9–22);
b) an increase in the number of cells and their growth (9–21–22–18);
c) an increase in the number of cells and the formation of intercellular spaces (22–21–18–9).

8 . The cell membrane does not perform this function:

a) divisions (35–34–14);
c) transport of substances (35–14–34);
b) connections with other cells (34–14–35).

9 . The correct sequence of cell division is:

a) membrane division – cytoplasmic division – chromosome duplication – nuclear division (15–16–17–14);
b) chromosome duplication – nuclear division – division of the cytoplasm and membrane (15–14–16–17);
c) division of the cytoplasm and membrane - division of the nucleus - doubling of chromosomes (14-15-16-17).

10 . Hereditary information in daughter cells:

a) decreases by one and a half times (20–16–19);
b) decreases by half (19–16–20);
c) remains unchanged (16–19–20).

11 . Vacuoles are filled:

a) cell sap (19–23–24);
b) air (24–19–23);
c) cytoplasm (23–24–19).

12. If you add a little salt water to a fresh preparation with onion skin cells, the cell will shrink somewhat, because:

a) the phenomenon of pinocytosis will occur (30–34–28);
b) the phenomenon of plasmolysis will occur (34–28–30);
c) metabolism will occur (28–30–34).

13 . The existence of plant cells was discovered by:

a) Robert Hooke (28–36–23);
b) Anthony Van Leeuwenhoek (36–23–28);
c) Robert Koch (23–28–36).

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Rice. Cell. Job done right

(Right answers

font-size:10.0pt">1–2–3–4–5;

1–8–7–6–5;

When completing multiple-choice assignments, circle the number of the correct answer on the exam paper.

1. In which of the indicated areas of biology is the microscopic method the main one?

1. 
   biochemistry
2. 
   cytology
3. 
   animal breeding
4. 
   human physiology

1. 
   microscopy
2. 
   descriptive
3. 
   modeling
4. 
   experimental

1. 
   rate of photosynthesis in plants
2. 
   dependence of enzyme activity on temperature
3. 
   Wheat ripening time in the Moscow region
4. 
   the power of a vaccine against an infectious disease

4. The assumption that in the light plants form organic substances from inorganic
skikh - this

1. 
   scientific fact
2. 
   hypothesis
3. 
   theory
4. 
   experiment

5. I. I. Mechnikov created the doctrine of

1. 
   evolution of the organic world
2. 
   cellular immunity
3. 
   conditioned reflexes
4. 
   parietal digestion

6. What science studies methods of breeding plant varieties and animal breeds?

1. 
   agronomy
2. 
   selection
3. 
   physiology
4. 
   ecology

1. 
   of cardio-vascular system
2. 
   digestive system
3. 
   nervous system
4. 
   endocrine system

1. 
   laws of heredity
2. 
   conditioned reflex theory
3. 
   evolutionary theory
4. 
   cell theory

1. 
   cardiologists
2. 
   endocrinologists
3. 
   orthopedists
4. 
   otolaryngologists

10. At what level of organization of life does the cycle of substances occur in nature?

1. 
   on the organism
2. 
   on the cellular
3. 
   on a population-species basis
4. 
   on the biosphere

1. 
   cellular
2. 
   population-species
3. 
   biosphere
4. 
   molecular

13. At what level of life is the object shown in the figure studied?

1. 
   on the cellular
2. 
   on the organism
3. 
   on a population-species basis
4. 
   on the biosphere

14. At what level of life organization does protein synthesis occur?

1. 
   on the cellular
2. 
   on the molecular
3. 
   on the organism
4. 
   on a population-species basis

1. 
   naked eye
2. 
   using a hand magnifying glass
3. 
   only under an electron microscope
4. 
   using a light microscope

16. The sharpness of the image in a school microscope is finally established using

17. What number indicates the microscope eyepiece?

18. To establish the time of leaf fall of linden, poplar and birch, you will use the research method

1. 
   observation
2. 
   descriptive
3. 
   experimental
4. 
   historical

19. Antony van Leeuwenhoek may have been or was acquainted with

1. 
   Napoleon Bonaparte
2. 
   Mikhailo Lomonosov
3. 
   Peter the Great
4. 
   Konstantin Tsiolkovsky

20. The schoolboy took a leaf torn from a tree for research. He tried to see the chloroplasts in his cells under a microscope. He saw nothing but a dark green field. What was his mistake?

1. 
   incorrect light installation
2. 
   I should have used a higher magnification
3. 
   it was necessary to make a thin cut of the sheet
4. 
   it was necessary to tint the sheet with dyes

Answers: 1-2), 2-4), 3-3), 4-2), 5-2), 6-2), 7-1), 8-1), 9-2), 10-4 ), 11-2), 12-3), 13-1), 14-2), 15-4), 16-3), 17-1), 18-1), 19-3), 20-3).

Exercise 1. Choose one correct answer

1. Chromosomes in a cell are:

a) in the cytoplasm b) in vacuoles

b) in the nucleus d) in chloroplasts

2. Reproduction is:

a) an increase in the number of organisms

b) increase in body size

c) formation of new shoots

d) formation of adventitious roots

3. Inorganic substances include(are)

a) fiber c) sodium salts

b) protein d) fat

4.Chloroplasts in a cell:

a) carry out the synthesis of organic substances from inorganic substances

b) perform a protective function

c) communicate between parts of the cell

d) provide similarity with daughter cells

5. The part of the plant cell in which cell sap accumulates is:

a) cell center b) vacuole

b) lysosomes d) plastids

6. Nuclear organisms include:

a) plants, animals, fungi c) bacteria, cyanobacteria, fungi

b) plants, cyanobacteria, animals d) animals, fungi, bacteria

7. Ribosomes are involved:

a) in the formation of proteins

b) in the transmission of hereditary information from parents to offspring

c) in ensuring selective permeability of substances

d) in the production of substances that serve as a source of energy

8. In a plant cell, unlike an animal cell, there is:

a) cytoplasm b) cell membrane

b) nucleus d) plasma membrane

9. Photosynthesis carried out by plants is the process of:

a) the formation of organic substances in the light from water and carbon dioxide

b) consumption of organic substances with the release of energy

c) oxygen absorption

d) removing excess water from the plant

Task 2 . Analyze the text and answer the questions

The nucleus in a plant cell was first discovered by the English botanist Robert Brown. Examining different parts of the plant through a microscope, he concluded that all plant cells contain nuclei.

1. Do all cells of a flowering plant contain nuclei? Give examples.
2. Indicate the function of the nucleus in a plant cell.

Task 3 . Fill in the missing words.

1) Cell organelle capable of digesting food particles and destroying

spent organelles and even whole cells...

2) Absorption by the cell of large molecules of organic substances and even whole cells...

3) A cell organelle that connects all parts of the cell with each other, participating in the formation and transportation of various organic substances...

Task 4. The student took a leaf torn from a tree for research. He tried to see the chloroplasts in his cells under a microscope. He saw nothing but a dark green field. What was his mistake?

a) in incorrect installation of light

B) it was necessary to set a higher magnification

c) it was necessary to make a thin cut of the sheet

D) it was necessary to tint the sheet with dye

Task 5 . From the given letters you need to make up the names of the cell organelle.

asrhtloopl

Task 6. Establish the sequence of drug preparation:

A. Using a dissecting needle, remove a piece of onion skin

B. Use a pipette to apply 1-2 drops of water onto a glass slide.

B. Place a piece of peel in a drop of water and straighten it with the tip of a needle

D. Cover with a cover glass

D. Thoroughly wipe the slide with gauze ( dbavg)

Task 7. From the list provided, you must select the names of the organelles.

Underline the names of the organelles:

Nucleus, vacuole, chromosomes, cytoplasm, cell wall, chloroplasts

Task 8 .In the list provided, identify the main parts of the cell. Give reasons for your choice. Please indicate all possible selection options

1. Cytoplasm

2. Outer cell membrane (shell)

3. Core

4. Chlorophyll

5. Ribosomes

6. Chromosome

7. Digestive vacuole

Keys:

Exercise 1

1-b, 2-a, 3-c, 4-a, 5-c, 6-a, 7-a, 8-c, 9-a

Task 2

1. The tissues of a living plant organism contain cells that do not contain nuclei. As a rule, these are dead cells, such as wood vessels.
2. The nucleus in a plant cell regulates all life processes

Task 3.

1. Lysosomes
2. Phagocytosis
3. Endoplasmic reticulum

Task 4-in

Task 5-chloroplasts

Task 7. Vacuole, chloroplasts

Task 8. A) Prokaryotes or prenuclear organisms. The exception is the core (3)

B) Plant cell. The exception is the digestive vacuole (7)

B) Animal cell. The exception is chlorophyll (4)

Cell structure. Device of magnifying devices.

1. The student took a leaf torn from a tree for research. He tried to see the chloroplast in his cells under a microscope. He saw nothing but a dark green field. What was his mistake?

1) in incorrect installation of the light

2) it was necessary to set a higher magnification

3) it was necessary to make a thin cut of the sheet

4) it was necessary to tint the sheet with dyes

2. Antony van Leeuwenhoek may have been or was familiar with:

1) Napoleon Bonaparte

2) Mikhail Lomonosov

3) Peter the Great

4) Charles Darwin

3. The appearance of differences in the structure and functions of cells is called their:

1) division

2) reproduction

4) differentiation

4. The creation of the first microscope refers to:

1) XVII century

Multiple Choice Questions

IN 1. Select the characteristics of chloroplasts:

A) have internal membranes

B) colorless

D) capable of photosynthesis

D) do not have membranes

Compliance tasks

IN 1. Establish a correspondence between the trait of an organism and the kingdom for which this trait is characteristic

Sign Kingdom

According to the method of nutrition, they are mainly autotrophs A) Plants

They have vacuoles with cell sap B) Animals

No cell wall

Cells contain plastids

Most are able to walk

Predominantly heterotrophic in their feeding method

Part C tasks

C1. If you add a little salt water or alcohol to a fresh preparation with Elodea leaf cells, the cell will shrink somewhat. Why?

Answer: C1. Plasmolysis will occur, associated with dehydration of the cell cytoplasm. Salt or alcohol will draw water from the cytoplasm.