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WorksheetsLuyện đề 6- xuyên
Total questions: 55
Worksheet time: 28mins
The products of photosynthesis are:
Water and carbon dioxide.
Light and chlorophyll.
Oxygen and glucose.
Glucose and water.
Photosynthesis is the process of:
Absorbing and transforming light energy to synthesize organic substances from inorganic substances such as water and carbon dioxide; it occurs in cells containing chlorophyll and releases oxygen.
Absorbing and transforming light energy to synthesize organic substances from inorganic substances such as water and oxygen; it occurs in cells containing chlorophyll and releases carbon dioxide.
Absorbing and transforming light energy to synthesize organic substances from inorganic substances such as minerals and oxygen; it occurs in cells containing chlorophyll and releases carbon dioxide.
Absorbing and transforming light energy to synthesize inorganic substances from organic substances such as water and carbon dioxide; it occurs in cells containing chlorophyll and releases oxygen.
Which characteristic of leaves helps them receive more light?
Leaves have a thin, flat blade.
Leaves are green.
Leaves have petioles.
Leaves are symmetrical.
The main organ that carries out photosynthesis in plants is:
Roots.
Stems.
Leaves.
Flowers.
The oxygen released during photosynthesis originates from:
Water ( H2O ).
Glucose.
Carbon dioxide ( CO2 ).
ATP.
In desert conditions, cactus leaves are modified into spines. Which part mainly carries out photosynthesis in cactus plants?
Leaves.
Stems.
Roots.
Spines.
The raw materials for photosynthesis include:
Oxygen and glucose.
Glucose and water.
Carbon dioxide, water, and light energy.
Carbon dioxide and water.
Green plants synthesize organic substances from inorganic substances using light energy during which process?
Chemosynthesis.
Chemical dissociation.
Photosynthesis.
Photolysis.
Photosynthesis helps reduce the amount of which gas in the atmosphere?
Hydrogen.
Oxygen.
Nitrogen.
Carbon dioxide.
Which of the following statements is correct?
During photosynthesis, plants absorb oxygen to synthesize organic substances.
Photosynthesis is the process by which organisms use light to break down organic substances.
One of the products of photosynthesis is oxygen gas.
Photosynthesis is an important physiological process occurring in all organisms.
For green plants, which of the following are roles of photosynthesis? (1) Supplying energy for life activities of the plant. (2) Regulating the air. (3) Producing organic substances and gases. (4) Keeping the plant warm.
(1), (2)
(1), (3)
(2), (3)
(3), (4)
The organelle that carries out photosynthesis is:
Chlorophyll.
Chloroplast.
Stomata.
Cytoplasm.
Photosynthesis in green plants is the transformation of energy from:
Chemical energy to light energy.
Light energy to chemical energy.
Chemical energy to heat energy.
Light energy to heat energy.
Which of the following is not a role of photosynthesis?
Synthesizing carbohydrates, organic substances, and oxygen.
Converting light energy into chemical energy.
Oxidizing organic compounds to release energy.
Regulating the O2/CO2 ratio in the atmosphere.
Among the following statements: (1) Providing organic substances as food for heterotrophic organisms. (2) Supplying oxygen gas. (3) Directly regulating sea levels. (4) Increasing the concentration of carbon dioxide in the air. How many statements correctly describe the roles of photosynthesis?
2
3
4
1
Which of the following organisms can carry out photosynthesis in the presence of light? (1) Green algae (2) Plants (3) Cnidarians (4) Fungi (5) Euglena
(1), (2), (5)
(1), (2), (3)
(1), (2), (4)
(2), (4), (5)
Which characteristics of leaves are suitable for photosynthesis? 1. Flat, broad leaves help capture more light. 2. Cells in the middle layer of the leaf contain many chloroplasts. 3. Chloroplasts contain chlorophyll that absorbs light for synthesizing organic substances. 4. Stomata on the leaf surface play a major role in gas exchange and transpiration. 5. Leaf veins (vascular tissues) transport water to chloroplasts and transport organic substances from chloroplasts to other parts of the plant. How many correct statements are there?
2
3
4
5
Which groups of organisms are capable of photosynthesis?
Plants and sulfur-oxidizing bacteria
Plants, cyanobacteria, and algae
Plants and fungi
Plants and animals
The main part of a plant involved in photosynthesis is:
Leaves.
Stems.
Roots.
Shoots.
Which of the following organisms can perform photosynthesis?
Common carp
Euglena
Elephant
Straw mushroom
Given the following factors: 1. Light 2. Temperature 3. Carbon dioxide concentration 4. Water Which of the above factors affect the process of photosynthesis?
1, 2, 3, 4
1, 3, 4
1, 2, 4
2, 3, 4
Given the following characteristics: 1. Usually grow in open areas 2. Leaves are usually small 3. Leaves are usually dark green 4. Leaves are usually light green 5. Usually grow under the canopy of other plants 6. Leaves are usually broad Which characteristics belong to plants that prefer strong light?
1, 2, 3
1, 2, 4
3, 5, 6
2, 3, 5
Given the following characteristics: 1. Usually grow in open areas 2. Leaves are usually small 3. Leaves are usually dark green 4. Leaves are usually light green 5. Usually grow under the canopy of other plants 6. Leaves are usually broad Which characteristics belong to plants that prefer weak light?
1, 2, 3
1, 2, 4
3, 5, 6
2, 3, 5
Among the following groups of plants, which group prefers strong light?
Bougainvillea, rice, areca palm, frangipani
Bougainvillea, rice, Chinese evergreen, orange tree
Orange tree, lemon tree, Ngoc Linh ginseng, guava tree
Bougainvillea, kalanchoe, rice, Chinese evergreen
Why are artificial lights often used at night in agriculture to increase crop yield?
Because lighting at night increases the duration of illumination, thereby increasing photosynthetic rate and crop yield.
Because lighting at night increases illumination time, thereby decreasing photosynthetic rate and increasing yield.
Because lighting at night reduces pests, thereby increasing crop yield.
Because lighting at night reduces pests and photosynthetic rate, thereby increasing yield.
Photosynthetic rate is:
A measure of photosynthetic capacity calculated as the grams of carbon dioxide absorbed or milligrams of oxygen released per unit leaf area per unit time (g CO2 /dm 2 leaf/hour).
A measure of photosynthetic capacity calculated as the grams of carbon dioxide absorbed or grams of oxygen released per unit leaf area per unit time (g CO2 /dm 2 leaf/hour).
A measure of photosynthetic capacity calculated as the milligrams of carbon dioxide absorbed or milligrams of oxygen released per unit leaf area per unit time (mg CO2 /dm 2 leaf/hour).
A measure of photosynthetic capacity calculated as the milligrams of carbon dioxide absorbed or grams of oxygen released per unit leaf area per unit time (mg CO2 /dm 2 leaf/hour).
Which group of plants requires the least water?
Mustard greens, taro, succulents, aloe vera, snake plant
Succulents, aloe vera, snake plant, ZZ plant, kalanchoe
Mustard greens, taro, snake plant, ZZ plant, kalanchoe
Succulents, taro, snake plant, ZZ plant, kalanchoe
Photosynthesis normally occurs at an average temperature of:
15°C – 25°C
20°C – 30°C
10°C – 30°C
25°C – 30°C
Given the following statements: 1. Transpiration 2. Absorption of carbon dioxide 3. Providing habitats for other organisms 4. Synthesizing organic substances and providing food for other organisms 5. Releasing oxygen 6. Supplying raw materials, fuel, and medicines 7. Preventing soil erosion and landslides 8. Reducing global temperature increase 9. Mitigating climate change Planting and protecting trees has how many roles?
5
6
8
9
Match Column A with Column B. Column A: a. Photosynthetic rate increases; b. Photosynthetic rate decreases. Column B: 1. Temperature of 35°C 2. Proper irrigation 3. Appropriate planting density and spacing 4. Using artificial lighting at night 5. Limited watering 6. Temperature of 15°C The correct answer is given as a combined pairing; choose the correct combination.
a – 2, 3, 4 and b – 1, 5
a – 2, 3, 4 and b – 1, 5, 6
a – 2, 3, 6 and b – 1, 4, 5
a – 2, 4, 6 and b – 1, 3, 5
An conducted the following experiment: He placed some Hydrilla stems under an inverted transparent glass funnel in a beaker filled with water. A test tube filled with water was inverted over the funnel stem. A lamp was shone on the setup for 15–20 minutes. The light intensity was changed by adjusting the distance between the lamp and the plant. Oxygen bubbles released during photosynthesis were observed. When the lamp was farther away, fewer bubbles were produced. This experiment demonstrates the effect of which factor on photosynthesis?
Carbon dioxide concentration
Light intensity
Water availability
Temperature
To demonstrate the effect of temperature on the growth and development of soybean plants, An proposed the following experimental methods: Method 1: Grow soybean plants in two pots. Place one pot in the middle of the yard and the other under a tree. Method 2: Grow soybean plants in two pots. Place one pot indoors under an incandescent lamp and the other outdoors in the yard. Method 3: Grow soybean plants in two pots. Place one pot indoors with air conditioning and the other outdoors in the yard. Which method should An choose to obtain the most accurate results?
Method 1
Method 2
Method 3
None of the methods
Why is it necessary in practice to protect crops from heat and cold?
Because each crop grows best within a certain temperature range, usually 20–30 ∘ C; protection is needed when temperatures exceed or fall below this range.
Because crops will die if not protected from heat and cold.
Because heat increases water demand and cold increases pests.
Because crops grow best at 30–35 ∘ C.
Given the following measures: 1. Soaking seeds in cold water, then hot water to increase stress resistance 2. Applying fertilizer appropriately 3. Installing LED lights with different intensities and colors 4. Installing shading roofs 5. Proper irrigation Which measures help protect crops from heat?
2, 3, 4, 5
2, 3, 4
1, 2, 3, 5
1, 2, 4, 5
Why can plants such as Chinese evergreen and Cymbidium orchids be grown indoors?
Because they grow well under low-light conditions.
Because they grow well under strong-light conditions.
Because they grow well under all environmental conditions.
Because they are ornamental plants and adapt after being grown indoors.
What role does cellular respiration play in the life activities of organisms?
Providing oxygen for life activities.
Providing carbon dioxide for life activities.
Providing energy for life activities.
Providing water and heat for life activities.
Which of the following statements about cellular respiration is not correct?
Cellular respiration mainly takes place in the nucleus.
It is the process of converting organic substances into carbon dioxide and water while releasing energy.
The raw materials for respiration are organic substances and oxygen.
It is a very important energy transformation process in the cell.
Cellular respiration is
the process by which cells break down organic substances to release energy for life activities.
the process by which cells break down inorganic substances to release energy for life activities.
the process by which cells break down organic substances to release energy for reproductive activities.
the process by which cells break down inorganic substances to release energy for growth and development.
In algae, aerobic respiration takes place in
the cytoplasm
mitochondria
organelles
the plasma membrane
In terms of energy, what is the relationship between cellular respiration and photosynthesis?
Energy from the Sun is used in photosynthesis and stored in glucose molecules. During cellular respiration, this energy is converted into ATP, which provides energy for cellular activities.
Energy transformed during cellular respiration is used to supply energy for photosynthesis.
Both photosynthesis and respiration perform the task of energy transformation.
Energy does not participate in photosynthesis or cellular respiration.
Which of the following measures is reasonable to protect respiratory health in humans?
Exercising vigorously every day.
Eating a lot of glucose-rich food to supply raw materials for respiration.
Practicing gentle, deep, and regular breathing every day.
Keeping many green plants in the bedroom.
What is the difference between photosynthesis and cellular respiration?
Photosynthesis releases ATP, while cellular respiration stores ATP.
Photosynthesis uses oxygen, while cellular respiration produces oxygen.
Photosynthesis releases energy, while cellular respiration stores energy.
Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
Cellular respiration is
the process of transforming the energy of organic substances into energy within the cell.
the process of transforming the energy of inorganic substances into energy within the cell.
the process of synthesizing organic substances in the cell.
the process of transforming organic substances outside the cell into energy inside the cell.
Cellular respiration releases into the environment
carbon dioxide
oxygen
nitrogen
methane
Based on the graph shown, which factor affects cellular respiration?
Temperature
Oxygen concentration
Water content
Carbon dioxide concentration
When studying two bacterial species, scientists found that species X always produces carbon dioxide and water during respiration, while species Y always produces ethyl alcohol and carbon dioxide. Which conclusion can be drawn?
Only species Y is aerobic.
Only species Y is anaerobic.
Both species X and Y are aerobic.
Both species X and Y are anaerobic.
What is the relationship between photosynthesis and cellular respiration?
Oxygen produced in cellular respiration is used in photosynthesis.
Carbon dioxide and water released during cellular respiration are used in photosynthesis.
Energy released in photosynthesis is used in cellular respiration.
Glucose used in cellular respiration is broken down during photosynthesis.
What is cellular respiration?
The process of synthesizing complex substances from simple ones.
One aspect of metabolism.
The process of energy transformation in the cell.
All of the above are correct.
Which energy transformation occurs in cellular respiration?
Thermal energy → chemical energy
Chemical energy → electrical energy
Chemical energy → thermal energy
Light energy → chemical energy
Cellular respiration is the process of transforming
glucose
maltose
sucrose
cellulose
In animals, cellular respiration occurs in which organelle?
Mitochondria
Chloroplasts
Golgi apparatus
Ribosomes
In eukaryotic cells, respiration takes place in
mitochondria
ribosomes
vacuoles
chloroplasts
The significance of respiration is
maintaining the balance of oxygen and carbon dioxide in the atmosphere.
producing energy to support life activities of organisms.
cleaning the environment.
converting carbon dioxide into oxygen.
The raw material of cellular respiration is
oxygen
carbon dioxide
water
air
The scientific basis of agricultural product preservation methods is
slightly increasing the rate of cellular respiration.
slightly reducing the rate of cellular respiration.
reducing the rate of cellular respiration to a minimum.
increasing the rate of cellular respiration to a maximum.
