WorksheetsMaterial and Energy Exchange in Living Organisms
Total questions: 99
Worksheet time: 50mins
Which of the following is NOT a role of material and energy exchange in living organisms?
Absorbing nutrients
Excreting waste
Providing materials for metabolic processes
Absorbing substances from outside the body only
Which statement describes the role of material and energy exchange in living organisms?
Providing materials for metabolic processes in living organisms
Only providing energy for metabolic processes
Only helping to excrete waste
Only absorbing substances from outside the body
Which of the following is NOT a characteristic of material and energy exchange in living organisms?
Receiving substances from the environment and transporting them
Transforming substances and energy in cells
Excreting waste into the environment
Transforming energy without changing substances in cells
How many main characteristics are there in the process of material and energy exchange in living organisms?
1
2
3
4
How do plants receive substances from the environment?
By absorbing minerals, water, sunlight, and CO₂ to make organic substances
By taking in nutrients and O₂ for respiration
By absorbing only sunlight
By absorbing only water
How many statements about the stages of energy transformation in living organisms shown in the diagram are correct?
1
2
3
4
How do animals receive substances from the environment?
By absorbing minerals, water, sunlight, and CO₂ to make organic substances
By taking in nutrients and O₂ for respiration
By absorbing only sunlight
By absorbing only water
What do plants use from the environment to make organic substances?
O₂ and water
Sunlight, water, and CO₂
Nutrients from the soil only
O₂ from respiration
What is the process called when simple substances are combined to form complex organic substances?
Synthesis of organic substances from simple substances.
Synthesis of gases.
Breakdown of organic substances into different substances.
Synthesis of organic substances and energy accumulation.
Which of the following is the correct order of stages in the process of energy transformation in living organisms?
Synthesis → Breakdown → Energy mobilization.
Synthesis → Energy mobilization → Breakdown.
Breakdown → Synthesis → Energy mobilization.
Breakdown → Energy mobilization → Synthesis.
What is the process of transforming and converting energy at the cellular level called?
The process of synthesizing organic substances.
The process of energy mobilization.
The process of transforming and converting energy in living organisms.
The process of breaking down substances.
Where are the substances produced by the process of cellular metabolism stored or used?
Transferred to other cells for reuse.
Stored in the cell for energy reserve.
Released outside the cell.
Transferred to the liver for further metabolism.
Which of the following is NOT an autotrophic organism?
Plants.
Animals.
Fungi.
Lactic acid bacteria.
Which statement is correct about the role of autotrophic organisms in the ecosystem?
They close the cycle of matter and energy in the ecosystem.
They are the final link in the food chain.
They are the main consumers in the food chain.
They are the main decomposers in the ecosystem.
Which of the following is a correct statement about the process of metabolism and energy transformation in living organisms?
Digestion is the process of synthesizing new substances and accumulating energy.
Metabolism is the process of breaking down substances and releasing energy.
Organic substances are always simple.
In cells, metabolism and digestion are not related.
How many correct statements are there about the process of metabolism and energy transformation in living organisms?
1.
2.
3.
4.
What is the main source of energy stored in organic substances in living organisms?
Light energy from photosynthesis.
Heat energy from the environment.
Mechanical energy from movement.
Sound energy from vibrations.
Which of the following is a process of respiration in living things?
Taking in food and water
Breathing in oxygen and releasing carbon dioxide
Running and jumping
Sleeping
What do living things need from their environment to help with the process of metabolism?
Water and oxygen
Toys and games
Books and pencils
Shoes and hats
Which of the following helps our body exchange substances with the environment in a healthy way?
Eating and drinking enough
Watching TV all day
Skipping meals
Not sleeping at night
What is one thing you should do to keep your body healthy?
Exercise regularly
Eat only candy
Never go outside
Stay up all night
What do we call plants because they can make their own food using sunlight?
Animals
Living things
Producers (autotrophs)
Consumers
Which statement is true about animals and plants?
Animals can make their own food from sunlight
Plants need to eat other animals
Plants make their own food using sunlight
Animals do not need food
Look at the diagram. What does the arrow from [1] to [2] show in the process of energy transformation?
Energy is being stored
Energy is being used for movement
Energy is being changed from one form to another
Energy is being lost
Which of the following is NOT a role of water for plants?
Water is a component of cell structure.
Water participates in the formation of organic substances in plant cells.
Water is a raw material and environment for biochemical reactions.
Water regulates the temperature of the plant body.
Which mechanism allows plant roots to absorb minerals from the soil?
Passive, no energy required.
Active, energy required.
Passive, energy required.
Changing form.
What is the driving force for the movement of substances in the xylem?
The difference in water potential between the source (leaf) and the sink (root) and other organs.
The force created by water potential.
The force created by the difference in water potential between water and wood.
The force created by water loss from the leaf.
Which ions do plants absorb from the soil?
NO₃⁻ and NH₄⁺
N₂ and NH₄⁺
NO₂ and NH₄⁺
NO₂ and NO₃⁻
The conversion of NH₄⁺ to NO₃⁻ in the soil is carried out by which group of organisms?
Nitrogen-fixing bacteria.
Nitrate bacteria.
Decomposer bacteria.
Nitrate-reducing bacteria.
Which statement about the nitrogen cycle in soil and nitrogen fixation is INCORRECT?
The process of converting NO₃⁻ to N₂ is performed by bacteria in the absence of oxygen.
The process of nitrogen fixation is linked to the conversion of H₂ to NH₃.
Some nitrogen-fixing bacteria can convert N₂ to NH₃.
Plants can absorb organic nitrogen from the remains of living things.
What is a practical application of understanding the exchange of water and minerals in plants?
Planting at the right density.
Keeping the soil moist with straw.
Avoiding waterlogging.
Proper irrigation.
What can happen if too much fertilizer is used?
Reduced yield and plant growth.
Killing beneficial soil organisms.
Soil and water pollution.
All of the above.
Which part of the plant mainly absorbs water and minerals?
Leaf.
Stem.
Root.
Flower.
Which part of the plant mainly absorbs water?
Leaf.
Stem.
Root.
Flower.
What is the main form in which plants absorb minerals from the soil?
Ions.
Organic matter.
Organic compounds.
Inorganic compounds.
What is the process called when a plant takes in minerals from the soil where the concentration is higher outside the root than inside?
Passive transport
Active transport, using energy
Active transport, no energy needed
Diffusion through membrane
If a plant needs to take in minerals from the soil where the concentration is lower outside the root than inside, which process does it use?
Passive transport
Active transport, using ATP energy
Active transport, no energy needed
Diffusion through membrane
Which of the following is true about the absorption of minerals A, B, and C by a plant, based on their concentrations in soil and root cells?
A is absorbed by active transport
B is absorbed by passive transport
C is absorbed by passive transport
C is absorbed by active transport
What is the process called when NO₃⁻ is changed to NH₄⁺ in plants?
Nitrate reduction
Nitrate assimilation
Nitrate removal
Ammonium formation
How many correct statements are there about the process of transporting substances in plants, based on the summary diagram?
1
2
3
4
Based on the diagram summarizing the process of stomatal opening and closing, what is the main function of guard cells?
To absorb sunlight for the plant
To control the opening and closing of stomata
To produce food for the plant
To transport water to the leaves
What happens to the stomata when the plant has enough water?
The stomata close tightly
The guard cells become thin and straight
The guard cells swell and the stomata open
The plant stops making food
Which of the following is NOT a factor that directly regulates the water content in guard cells?
Light
Stress
Temperature
Water availability
When the plant lacks water, what happens to the guard cells and the stomata?
Guard cells swell and stomata open
Guard cells shrink and stomata close
Guard cells become thicker
Stomata open wider
What is the main pathway for water loss from a leaf?
Through the stem
Through the roots
Through the stomata
Through the flower
Why is it important for stomata to open during the day?
To let in oxygen for photosynthesis
To let in carbon dioxide for photosynthesis
To let out food for the plant
To let in water for the plant
Based on the diagram, what are the two main forms of nitrogen that plants absorb?
NH4+ and NO3-
O2 and CO2
H2O and O2
CO2 and NO2-
What is the main function of root hairs in plants?
To help the plant absorb more water and minerals
To make the plant taller
To produce flowers
To store food
Which part of the plant mainly absorbs water and minerals from the soil?
Root hairs
Leaves
Flowers
Stems
What helps water move up from the roots to the leaves in a plant?
The force of water in the xylem
The color of the leaves
The size of the flowers
The taste of the fruit
What is the main function of the phloem in plants?
To transport food made by the leaves to other parts of the plant
To absorb sunlight
To make seeds
To hold the plant upright
How many correct statements are there about the relationship between fertilization and crop yield according to the knowledge and the diagram shown?
1
2
3
4
Based on the knowledge and the table showing the effect of LED light on mineral absorption in lettuce, how many correct statements are there?
1
2
3
4
How many correct statements are there about the role of water in plant life processes according to the given statements?
1
2
3
4
When learning about mineral elements, how many correct statements are there among the given statements?
1
2
3
4
What is the main function of photosynthesis in plants?
To absorb water from the soil.
To convert sunlight into chemical energy and produce organic compounds from CO₂ and water.
To help plants breathe.
To transport minerals in the plant.
Which pigment is most important for converting light energy into chemical energy during photosynthesis?
Chlorophyll b
Carotene
Chlorophyll a
Xanthophin
Which of the following is NOT a correct statement about the function of chlorophyll?
Chlorophyll absorbs sunlight for photosynthesis.
Chlorophyll helps convert light energy into chemical energy.
Chlorophyll is responsible for the green color of leaves.
Chlorophyll is used to transport water in the plant.
What happens to a plant if its roots are submerged in water for a long time?
The plant will grow faster.
The roots may die, rot, and the plant may die due to lack of oxygen.
The plant will produce more flowers.
The leaves will turn yellow immediately.
Which of the following helps plants resist cold weather?
The thickness of the stem.
The heat generated by the leaves.
The heat generated by the leaves helps protect the plant from cold conditions.
The color of the flowers.
Which pigment is the main pigment in photosynthesis?
Phycobilin.
Xanthophyll.
Chlorophyll.
Carotene.
Which statement is NOT correct about the role of photosynthesis?
Provides food for living organisms.
Converts light energy into chemical energy stored in organic compounds.
Converts organic compounds into energy for all living things on Earth.
Cleans the air by releasing oxygen.
During the light reaction of photosynthesis, oxygen is released from:
Light reaction splitting water.
Light reaction splitting CO2 using sunlight.
Dark reaction splitting CO2.
Dark reaction splitting water.
Which of the following is a product of the light reaction in photosynthesis?
CO2 and glucose.
ADP, Pi, and NADP+.
H2O and O2, NADPH.
ATP, NADPH, and O2.
Where does the light reaction of photosynthesis take place in the chloroplast?
Thylakoid.
Stroma.
Inner membrane.
Matrix.
Which of the following is NOT a pigment in the photosynthetic apparatus of plants?
Chlorophyll.
Stroma.
Carotene.
Xanthophyll.
How many statements below are correct about the carotenoid pigment system in photosynthesis? I. Carotenoids are accessory pigments. II. Carotenoids include xanthophyll and carotene. III. β-carotene is a precursor of vitamin A. IV. Carotenoids make leaves and some plant parts yellow or orange.
1.
2.
3.
4.
Which of the following is the main function of the light reaction in photosynthesis?
ATP and NADPH production.
Light energy absorption.
H2O and O2 production.
CO2 and ATP production.
Which organelle is mainly responsible for photosynthesis in plants?
Ribosome.
Mitochondria.
Chloroplast.
Lysosome.
Which of the following statements about the color of leaves and photosynthesis is correct?
Leaves are green because of chlorophyll in chloroplasts.
All leaves are green because they have only chlorophyll.
Leaves are green because they have only carotenoids.
Leaves are green because they have only anthocyanin.
What is needed for plants to make food during photosynthesis?
Sunlight
Moonlight
Rain
Wind
Which of the following is a product of photosynthesis?
Oxygen
Carbon dioxide
Soil
Water vapor
Where does the light reaction of photosynthesis mainly take place in a plant cell?
In the thylakoid
In the root
In the stem
In the flower
Which pigment is most important for absorbing sunlight in plants?
Chlorophyll
Carotene
Xanthophyll
Lutein
Why do plants need water during photosynthesis?
To split and release oxygen
To make the soil wet
To help the plant stand up
To keep the leaves green
Which of the following is NOT a correct statement about the products of the light reaction in photosynthesis?
ATP and NADPH are used in the next step of photosynthesis
Oxygen is released as a byproduct
ATP and NADPH are stored for years
ATP and NADPH provide energy for the next step
What happens to the oxygen produced during photosynthesis?
It is released into the air
It is stored in the roots
It is used to make sugar
It is turned into water
Which of the following is a simple procedure that happens during the light reaction of photosynthesis?
Water is split to release oxygen
Roots absorb minerals
Leaves fall off the plant
Flowers bloom
What is the first product formed when CO₂ is fixed in C₃ plants?
RuBP + CO₂ → PGA.
RuBP + CO₂ → OAA.
RuBP + CO₂ → PEP.
RuBP + CO₂ → G3P.
Which of the following is a raw material for the light-independent reactions in C₃ plants?
H₂O, ATP, NADPH, RuBP, enzyme.
CO₂, ATP, NADPH, RuBP, enzyme.
CO₂, ATP, H₂O, enzyme.
CO₂, NADPH, H₂O, RuBP.
Which group of plants is a C₃ plant?
Rice, potato, cassava.
Corn, millet.
Cactus.
Cotton.
What is a characteristic of C₄ plants?
The first product of CO₂ fixation has 4 carbon atoms.
They usually live in environments with limited water.
The first product of CO₂ fixation has 3 carbon atoms.
They produce 4 types of products in the dark reaction.
Which of the following is a C₄ plant?
Corn.
Rice.
Potato.
Cotton.
What is the first product of CO₂ fixation in C₄ plants?
OAA.
MA.
PGA.
Tinh bột.
Which environmental condition is best for C₃ plants to photosynthesize efficiently?
High light, high temperature, normal CO₂, normal O₂.
High light, high temperature, low O₂, high CO₂.
High light, high temperature, high CO₂, low O₂.
High light, high temperature, normal CO₂, low O₂.
Which of the following statements about rice is correct?
Rice is a C₃ plant.
Rice is a C₄ plant.
Rice is a CAM plant.
Rice is a non-photosynthetic plant.
Which of the following is the first product of CO₂ fixation in C₄ plants?
OAA
PGA
PEP
RuBP
Which group of plants below belongs to the CAM group?
Pineapple, cactus, agave
Sugarcane, cotton, bear grass
Corn, potato, bean
Rice, cassava, bean
Which statement about CAM plants is correct?
CAM plants fix CO₂ at night
CAM plants fix CO₂ during the day
CAM plants do not fix CO₂
CAM plants fix CO₂ both day and night
How many main differences are there between C₃ and C₄ plants?
4
3
2
1
Which of the following is a similarity between C₃ and C₄ plants?
Both have RuBP as the first CO₂ acceptor
Both have OAA as the first CO₂ acceptor
Both have PGA as the first CO₂ acceptor
Both have PEP as the first CO₂ acceptor
Which of the following statements about the role of pigments in photosynthesis is correct?
Pigments absorb and convert light energy into chemical energy
Pigments only reflect light
Pigments do not participate in photosynthesis
Pigments store energy
Which of the following is NOT a function of carotenoids in photosynthesis?
Absorb light energy
Transfer energy to chlorophyll
Store energy
Protect chlorophyll from damage
A diagram showing the structure of a chloroplast with labeled thylakoid, granum, and the process of light absorption and energy transfer by carotenoids and chlorophyll. Which of the following best describes the main function of the thylakoid in the chloroplast?
It is the site where light absorption and energy transfer occur during photosynthesis.
It stores genetic material for the chloroplast.
It is responsible for cellular respiration in plant cells.
It transports water and minerals throughout the plant.
Which pigment absorbs red and blue light in plants?
Chlorophyll
Carotene
Xanthophyll
Vitamin A
What is the main role of carotene in photosynthesis?
Absorbs mainly in the blue and red regions
Absorbs mainly in the green region
Absorbs mainly in the yellow and orange regions and transfers energy to chlorophyll
Produces glucose directly
Which process directly uses sunlight to split water and release oxygen in plants?
Chlorophyll a
Chlorophyll b
Carotene
Xanthophyll
What is the first compound to accept CO₂ in C₄ plants?
PEP (phosphoenol pyruvate)
Glucose
Pyruvic acid
ATP
Where do both cycles (C₄ and Calvin cycle) occur in C₄ plants?
In the same cell
In different cells of the leaf
In the roots
In the stem
