Biology: Adaptation MCQ Quiz

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  • 1/20 Questions
    Convergent evolution is when two unrelated species have similar environmental pressures and adapt structures to over come such situations. - ProProfs

    Convergent evolution is when two unrelated species have similar environmental pressures and adapt structures to over come such situations.

    • True
    • False
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About This Quiz

Are you familiar with the term adaptation, and would you be able to pass this quiz? Biological Adaptation is the procedure by which a species converts and is fitted to its environment. It is the result of natural selection, which has already determined the course of the organism's proceeding generations. Living things adapt to their environment in many ways, such as in their structure, physiology, or genetics. If you want to learn more, look no further than this quiz.

Biology: Adaptation MCQ Quiz - Quiz

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  • 2. 
    The equation below is that of... - ProProfs

    The equation below is that of...

    • Photosynthesis

    • Respiration

    Correct Answer
    A. Photosynthesis
    Explanation
    The equation provided is that of photosynthesis. Photosynthesis is the process by which green plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. The equation for photosynthesis is 6CO2 + 6H2O + sunlight → C6H12O6 + 6O2. This equation represents the conversion of carbon dioxide and water into glucose and oxygen using energy from sunlight.

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  • 3. 

    A plant growing towards a source of light is a form of:

    • Positive thigmotropism

    • Negative thigmotropism

    • Positive phototropism

    • Negative thigmotropism

    Correct Answer
    A. Positive phototropism
    Explanation
    Positive phototropism is the correct answer because it refers to the phenomenon of a plant growing towards a source of light. This is a common behavior observed in plants as they require light for photosynthesis, which is essential for their growth and survival. The plant's growth towards the light is a result of differential growth on the side away from the light, causing it to bend and orient itself towards the light source. This response is crucial for plants to optimize their light absorption and ensure their energy needs are met.

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  • 4. 

    A behavioral adaptations could be:

    • Penguins huddling together to keep warm

    • Fast beating of wings to fly quickly away from predators

    • Humans having a low voice box for high pitched sounds

    • A "short" kidney to aid in water absorption

    Correct Answer
    A. Penguins huddling together to keep warm
    Explanation
    Penguins huddling together to keep warm is a behavioral adaptation because it is a specific behavior that the penguins have developed in order to survive in their cold environment. By huddling together, the penguins are able to conserve heat and stay warm in the harsh conditions. This behavior allows them to maintain their body temperature and avoid hypothermia.

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  • 5. 
    A type of evolution occurs when a group from a specific population develops into a new species. In order to adapt to various environmental conditions, the two groups develop into distinct species due to differences in the demands driven by the environmental circumstances. - ProProfs

    A type of evolution occurs when a group from a specific population develops into a new species. In order to adapt to various environmental conditions, the two groups develop into distinct species due to differences in the demands driven by the environmental circumstances.

    • Convergent Evolution

    • Divergent Evolution

    Correct Answer
    A. Divergent Evolution
    Explanation
    Divergent evolution is the correct answer because it refers to the process where a group from a specific population develops into a new species. This occurs when two groups within a population face different environmental conditions and adapt differently to those conditions, leading to the development of distinct species. Convergent evolution, on the other hand, refers to the process where unrelated species develop similar traits due to similar environmental pressures, which is not applicable in this case.

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  • 6. 

    READ THIS: Weta have long strong legs for jumping; they have a hard exoskeleton (a skeleton that is on the outside of their bodies; and they tend to hide away in rotten logs or under leaves. How many structural adaptations were mentioned in the text above?

    • 0

    • 1

    • 2

    • 3

    Correct Answer
    A. 2
    Explanation
    The text mentions two structural adaptations of weta: long strong legs for jumping and a hard exoskeleton. These adaptations help weta in their survival and behavior by providing them with the ability to jump and protect their bodies.

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  • 7. 

    A behavioral adaptation for dealing with a hot climate could include:

    • Large scales on the back of a lizard

    • Hibernating during the hottest part of the day

    • A small kidney to conserve water

    • Feeding during the hottest part of the day

    Correct Answer
    A. Hibernating during the hottest part of the day
    Explanation
    Hibernating during the hottest part of the day is a behavioral adaptation for dealing with a hot climate. By hibernating, the organism can avoid the extreme heat and conserve energy during the hottest hours. This behavior helps the organism to regulate its body temperature and prevent overheating.

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  • 8. 

    When a plant responds to touch in a positive or negative way, this is known as...

    • Geotropism

    • Phototropism

    • Thigmotropism

    • Hydrotropism

    Correct Answer
    A. Thigmotropism
    Explanation
    Thigmotropism is the correct answer because it refers to the plant's response to touch. Thigmotropism can be positive, where the plant grows towards the touch stimulus, or negative, where the plant grows away from the touch stimulus. This response allows plants to adapt and respond to their environment, for example, by growing around objects or climbing structures for support. Geotropism refers to the plant's response to gravity, phototropism refers to the plant's response to light, and hydrotropism refers to the plant's response to water.

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  • 9. 

    A plant that produce bark, have flower parts in multiples of 4 or 5 and have branching (pairs) of the veins in their leaves is known as....

    • Monocots

    • Dicots

    • CAM plants

    • C3 plants

    Correct Answer
    A. Dicots
    Explanation
    A plant that produces bark, has flower parts in multiples of 4 or 5, and has branching pairs of veins in their leaves is known as dicots. Dicots, also known as dicotyledons, are a group of flowering plants characterized by having two seed leaves (cotyledons) when they germinate. They typically have broad, flat leaves with veins that form a branching pattern. Examples of dicots include roses, sunflowers, and oak trees.

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  • 10. 

    These plants often show features, such as thick, reduced leaves with a low surface-area-to-volume ratio, thick cuticle, and stomata sunken into pits. These plants utilize an elaborate carbon fixation pathway in a way that the stomata are open at night to permit entry of CO2 to be fixed and stored. Then, during the day the CO2 is released for use. In this way, the plant is provided with high concentration of CO2 while the stomata are closed during the hottest and driest part of the day to prevent the excessive loss of water. These plants are therefore highly adapted to arid conditions.

    • C3 plants

    • C4 plants

    • CAM plants

    Correct Answer
    A. CAM plants
    Explanation
    CAM plants, or Crassulacean Acid Metabolism plants, are able to adapt to arid conditions by utilizing a unique carbon fixation pathway. They have thick, reduced leaves with a low surface-area-to-volume ratio, a thick cuticle, and stomata that are sunken into pits. CAM plants open their stomata at night to allow CO2 to enter and be fixed and stored. During the day, the CO2 is released for use, providing the plant with a high concentration of CO2 while preventing excessive water loss by keeping the stomata closed during the hottest and driest part of the day.

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  • 11. 

    The reactants in cellular respiration are...

    • Glucose

    • Carbon Dioxide

    • Water

    • Chlorophyll

    Correct Answer
    A. Glucose
    Explanation
    In cellular respiration, glucose is one of the main reactants. It is broken down through a series of biochemical reactions to release energy that is used by cells to perform various functions. Carbon dioxide and water are the byproducts of this process. Chlorophyll, on the other hand, is not a reactant in cellular respiration but is involved in the process of photosynthesis in plants.

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  • 12. 
    A type of plant that don’t produce bark, have flowers in multiples of 3 and have parallel veins. They are a distinctive group. One of the most noticeable traits is that a their flower is trimerous, with the flower parts in threes or in multiples of three. That is to say, a flower typically has three, six, or nine petals... - ProProfs

    A type of plant that don’t produce bark, have flowers in multiples of 3 and have parallel veins. They are a distinctive group. One of the most noticeable traits is that a their flower is trimerous, with the flower parts in threes or in multiples of three. That is to say, a flower typically has three, six, or nine petals...

    • Monocots

    • Dicots

    • CAM Plants

    • C4 plants

    Correct Answer
    A. Monocots
    Explanation
    Monocots are a type of plant that do not produce bark, have flowers in multiples of 3, and have parallel veins. One of their most distinctive traits is their trimerous flower, with the flower parts in threes or multiples of three. This means that a monocot flower typically has three, six, or nine petals. Therefore, the correct answer is Monocots.

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  • 13. 

    The stomatal opening of a plant is:

    • Always found on the upper part of a leaf

    • Always found on the lower part of a leaf

    • Is an opening for the release of water

    • Is an opening for the absorption of carbon dioxide

    Correct Answer
    A. Is an opening for the absorption of carbon dioxide
    Explanation
    The stomatal opening of a plant is an opening for the absorption of carbon dioxide. Stomata are small pores found on the surface of leaves, stems, and other plant organs. They are responsible for the exchange of gases between the plant and its environment. Carbon dioxide, which is needed for photosynthesis, enters the plant through these openings. Water vapor and oxygen are also released through the stomata. The stomata can be found on both the upper and lower parts of a leaf, but they are more abundant on the lower surface, as it helps to reduce water loss through evaporation.

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  • 14. 

    A C3 plant is one that is able to grow:

    • In all climates

    • In arid climates

    • In wet climates

    • In moderate climates

    Correct Answer
    A. In wet climates
    Explanation
    C3 plants are able to grow in wet climates because they have a photosynthetic pathway known as C3 photosynthesis. This pathway is efficient in moist conditions as it allows the plant to take in carbon dioxide from the atmosphere and convert it into glucose. In wet climates, there is usually an abundance of water, which helps C3 plants maintain their photosynthetic activity and support their growth.

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  • 15. 

    C4 plants:

    • Have stomata on the upper side of leaves

    • Only absorb carbon dioxide at night and use it during the day

    • Grow well in moderate climates

    • Grow well in wet climates

    Correct Answer
    A. Grow well in moderate climates
    Explanation
    C4 plants are well-suited for moderate climates because they have certain adaptations that allow them to efficiently use carbon dioxide and minimize water loss. These plants have stomata on the upper side of leaves, which helps them to conserve water by reducing evaporation. Additionally, C4 plants have a unique carbon fixation pathway that enables them to absorb carbon dioxide at night and store it as a four-carbon compound. This allows them to continue photosynthesis during the day without opening stomata and losing water. Therefore, C4 plants are better adapted to moderate climates where water availability may not be as high as in wet climates.

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  • 16. 
    Which of the following would be useful adaptation(s) if you lived on a cold snowy mountain? (There may be more than one answer). - ProProfs

    Which of the following would be useful adaptation(s) if you lived on a cold snowy mountain? (There may be more than one answer).

    • Long thick fur to aid heat retention

    • Small ears to combat heat loss

    • Small hooves to sink into the snow

    • Dark coloured fur

    Correct Answer(s)
    A. Long thick fur to aid heat retention
    A. Small ears to combat heat loss
    Explanation
    Living on a cold snowy mountain would require adaptations to help retain heat and combat heat loss. Long thick fur would be useful in aiding heat retention by providing insulation against the cold. Small ears would help combat heat loss as they have less surface area for heat to escape from. Small hooves would not be a useful adaptation as they would cause the individual to sink into the snow, making movement difficult. Dark colored fur would not be beneficial as it would absorb more heat from the sun, which could lead to overheating.

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  • 17. 
    Look at the dentition of the following skull- The skull is most likely to be that of a: - ProProfs

    Look at the dentition of the following skull- The skull is most likely to be that of a:

    • Herbivore

    • Omnivore

    • Carnivore

    • Piscivore (eats fish)

    Correct Answer
    A. Piscivore (eats fish)
    Explanation
    Based on the dentition of the skull, it can be inferred that the skull belongs to a piscivore (eats fish). Piscivores typically have sharp and pointed teeth that are adapted for catching and consuming fish. This is different from herbivores, which have flat teeth for grinding plant material, omnivores, which have a combination of sharp and flat teeth for a varied diet, and carnivores, which have sharp teeth for tearing meat. Therefore, the dentition of the skull suggests that the animal was specialized in eating fish.

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  • 18. 

    Animals growing in fresh water marine environments employ many physiological strategies to enable them to better survive. An example of a marine physiological strategy is:

    • Fish "schooling" together to ward off predators

    • Having a "short" kidney to enable fast excretion of water

    • Having a "long" kidney to aid in fast absorption of water

    • Having dark scales on the upper side of their torso to confuse predators

    Correct Answer
    A. Having a "short" kidney to enable fast excretion of water
    Explanation
    Animals growing in fresh water marine environments face the challenge of maintaining water balance in their bodies. Having a "short" kidney enables fast excretion of water, allowing these animals to regulate their internal water levels more efficiently. By excreting excess water quickly, they can prevent water overload and maintain proper hydration. This physiological strategy helps them adapt to their environment and survive in freshwater marine habitats.

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  • 19. 

    Which of the following would be useful adaptation(s) if you lived in a hot dry place? (There may be more than one answer). NOTE: Not all of these adaptations would necessarily be in the same animal!

    • Large ears to aid in heat loss

    • Long thick fur to aid heat retention

    • Being nocturnal (night activity)

    • Having a hump for water storage

    Correct Answer(s)
    A. Large ears to aid in heat loss
    A. Being nocturnal (night activity)
    A. Having a hump for water storage
    Explanation
    In a hot dry place, the temperature is high, and water is scarce. Large ears help in heat loss by increasing the surface area for heat dissipation. Being nocturnal allows animals to avoid the hottest part of the day and stay active during cooler nights. Having a hump for water storage is beneficial as it allows animals to store water and survive longer periods without drinking. Long thick fur would not be a useful adaptation in a hot dry place as it would retain heat and make it difficult for the animal to cool down.

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  • 20. 
    In this animation, the shoot of the plant is showing... - ProProfs

    In this animation, the shoot of the plant is showing...

    • Positive phototropism

    • Negative phototropism

    • Positive geotropism

    • Negative geotropism

    Correct Answer
    A. Negative geotropism
    Explanation
    The shoot of the plant is showing negative geotropism because it is growing away from the force of gravity. Geotropism refers to the growth or movement of a plant in response to gravity, and negative geotropism means the plant is growing in the opposite direction to gravity, such as when a shoot grows upwards towards the light.

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  • Mar 25, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 10, 2010
    Quiz Created by
    Tnate
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