STD 5 Evs Chapter-4

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| By Kalpesh Patil
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Kalpesh Patil
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Quizzes Created: 44 | Total Attempts: 21,194
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STD 5 Evs Chapter-4 - Quiz

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Questions and Answers
  • 1. 

    Plant make their own food in the presence of sunlight using -----and ----from the air

    • A.

      Nitrogen, carbon dioxide

    • B.

      Water ,carbon dioxide

    • C.

      Chlorophyll ,water

    • D.

      Option 4

    Correct Answer
    B. Water ,carbon dioxide
    Explanation
    Plants make their own food through a process called photosynthesis, which requires sunlight. During photosynthesis, plants use water and carbon dioxide from the air to produce glucose and oxygen. Water is absorbed by the roots and transported to the leaves, where it combines with carbon dioxide in the presence of sunlight and chlorophyll to produce glucose. Oxygen is released as a byproduct. Therefore, the correct answer is "Water, carbon dioxide."

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  • 2. 

    Plant make their own food in the presence of-----

    • A.

      Sunlight

    • B.

      Air

    • C.

      Water

    • D.

      Option 4

    Correct Answer
    A. Sunlight
    Explanation
    Plants make their own food through a process called photosynthesis. During photosynthesis, plants use sunlight, along with carbon dioxide and water, to produce glucose (a type of sugar) and oxygen. Sunlight is crucial for this process as it provides the energy needed to convert carbon dioxide and water into glucose. Without sunlight, plants would not be able to produce food and therefore would not be able to survive.

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  • 3. 

    A------fromed by the interlinking of several food chain.

    • A.

      Air

    • B.

      Water

    • C.

      Food web

    • D.

      Option 4

    Correct Answer
    C. Food web
    Explanation
    A food web is formed by the interlinking of several food chains. In a food web, multiple interconnected food chains show the flow of energy and nutrients through different organisms in an ecosystem. It represents the complex network of interactions between producers, consumers, and decomposers, illustrating the feeding relationships and energy transfer among various species. Unlike a food chain that only shows a linear sequence of organisms, a food web provides a more realistic representation of the complex interactions and interconnectedness within an ecosystem.

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  • 4. 

    We human being depend on our -----for all our needs

    • A.

      Atmosphere

    • B.

      Environment

    • C.

      Note of these

    • D.

      Option 4

    Correct Answer
    B. Environment
    Explanation
    The environment encompasses everything around us, including the air we breathe, the water we drink, the land we live on, and the resources we use for our needs. We rely on the environment for various essential aspects of our lives, such as food, water, shelter, and natural resources. Therefore, it is accurate to say that we depend on our environment for all our needs.

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  • 5. 

    Plants use substances in the soil for their

    • A.

      Oxygen

    • B.

      Nitrogen

    • C.

      Carbon dioxide

    • D.

      Option 4

    Correct Answer
    A. Oxygen
    Explanation
    Plants use substances in the soil for their oxygen needs. Oxygen is essential for the process of respiration in plants, where they break down glucose and release energy. Plants obtain oxygen from the air through tiny pores called stomata present on their leaves. These stomata allow for the exchange of gases, with oxygen entering the plant and carbon dioxide being released. Oxygen is vital for the survival of plants as it is required for the production of energy through cellular respiration.

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  • 6. 

    Living thing use ------form the air for breathing and given out-----

    • A.

      Nitrogen ,carbon dioxide

    • B.

      Oxygen ,carbon dioxide

    • C.

      Nitrogen, Oxygen

    • D.

      Option 4

    Correct Answer
    B. Oxygen ,carbon dioxide
    Explanation
    Living things use oxygen from the air for breathing and give out carbon dioxide. Oxygen is essential for cellular respiration, which is the process by which cells convert oxygen and glucose into energy. During this process, carbon dioxide is produced as a waste product and is expelled from the body through respiration.

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  • 7. 

    Plant use the -----from the air from making their food

    • A.

      Nitrogen oxide

    • B.

      Hydrogen

    • C.

      Carbon dioxide

    • D.

      Option 4

    Correct Answer
    C. Carbon dioxide
    Explanation
    Plants use carbon dioxide from the air to make their food through a process called photosynthesis. During photosynthesis, plants convert carbon dioxide and water into glucose and oxygen, using sunlight as an energy source. This glucose is then used as a building block for other organic compounds that the plant needs for growth and development. Therefore, carbon dioxide is essential for the survival and growth of plants.

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  • 8. 

    Living and nonliving things are dependent on-----

    • A.

      Each other

    • B.

      On its own

    • C.

      None of these

    • D.

      Option 4

    Correct Answer
    A. Each other
    Explanation
    Living and nonliving things are dependent on each other. This is because living things rely on nonliving things for survival. For example, living organisms need air, water, and sunlight (nonliving things) to survive. On the other hand, nonliving things are also influenced by living things. For instance, plants release oxygen into the atmosphere, which is essential for the survival of many organisms. Therefore, the interdependence between living and nonliving things is crucial for the overall balance and functioning of ecosystems.

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  • 9. 

    -----Is the deer's food

    • A.

      Birds

    • B.

      Plant

    • C.

      Tiger

    • D.

      Option 4

    Correct Answer
    B. Plant
    Explanation
    The correct answer is Plant because deer primarily feed on plants. They are herbivores and their diet consists mainly of grass, leaves, shoots, and other plant materials. This is supported by their digestive system and physical adaptations such as their long necks and specialized teeth for grazing on vegetation. Therefore, it can be inferred that plants are the main source of food for deer.

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  • 10. 

    Grasshoppers eat-----

    • A.

      Grass

    • B.

      Rabbit

    • C.

      Parrot

    • D.

      Option 4

    Correct Answer
    A. Grass
    Explanation
    Grasshoppers eat grass because they are herbivorous insects that primarily feed on plant material. They have specially adapted mouthparts for chewing and consuming grass, which is their main source of nutrition. Grass provides the necessary nutrients and energy for grasshoppers to survive and reproduce.

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  • 11. 

    Microorganism from a parts of the environment

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Microorganisms are present in various parts of the environment, including soil, water, and air. They play a crucial role in nutrient cycling, decomposition, and maintaining ecological balance. They can be found in extreme environments such as hot springs and deep-sea vents, as well as in more common habitats like forests and gardens. Therefore, it is true that microorganisms are found in different parts of the environment.

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  • 12. 

    It is necessary to maintain biodiversity

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Maintaining biodiversity is necessary because it ensures the stability and resilience of ecosystems. Biodiversity provides various ecosystem services such as pollination, nutrient cycling, and pest control, which are crucial for the survival of both wildlife and humans. Additionally, biodiversity contributes to the development of new medicines and technologies. It also helps in mitigating the impacts of climate change by sequestering carbon dioxide and regulating temperature. Therefore, it is essential to preserve and protect biodiversity to sustain life on Earth.

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  • 13. 

    Grasshoppers eat birds

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Grasshoppers eat birds" is false. Grasshoppers are herbivorous insects that primarily feed on plants, such as leaves and grass. They do not have the physical ability or behavior to eat birds, which are much larger animals.

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  • 14. 

    Living and nonliving things are dependent on each other

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Living and nonliving things are dependent on each other because they both play important roles in maintaining the balance of ecosystems. Nonliving things provide the necessary resources and conditions for living things to survive, such as sunlight, water, and nutrients. On the other hand, living things interact with and depend on nonliving things for shelter, protection, and energy. For example, plants rely on sunlight for photosynthesis, while animals depend on plants for food and oxygen. This interdependence ensures the sustainability and functioning of ecosystems.

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  • 15. 

    One  living things can be parts open number of food chain

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    True. One living thing can indeed be a part of an open number of food chains. In an ecosystem, organisms can have multiple food sources and can also be consumed by multiple predators. This interconnectedness forms a complex network of food chains, where a single organism can occupy different trophic levels and contribute to various energy flows within the ecosystem. Therefore, it is possible for one living thing to be a part of multiple food chains simultaneously.

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  • 16. 

    Every living things get its food from the environment

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Living things require food in order to survive and obtain energy for various biological processes. They obtain this food from their environment, either by consuming other organisms or by directly absorbing nutrients from their surroundings. This process is essential for the growth, development, and maintenance of all living organisms. Therefore, it is true that every living thing gets its food from the environment.

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  • 17. 

    There is only one food chain in our environment

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because there are multiple food chains in our environment. A food chain is a sequence of organisms, where each organism is the food source for the next organism in the chain. In reality, there are numerous interconnected food chains that exist in different ecosystems. These chains can overlap and interact, forming complex food webs. Therefore, the statement that there is only one food chain in our environment is incorrect.

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  • 18. 

    It is important that environmental balance is maintained

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Environmental balance refers to the delicate equilibrium between different components of the environment, including air, water, land, and living organisms. Maintaining this balance is crucial for the sustainability of ecosystems, as it ensures the availability of resources and supports the survival of various species. Human activities, such as pollution, deforestation, and overexploitation of natural resources, can disrupt this balance and lead to negative consequences, such as climate change, loss of biodiversity, and depletion of essential resources. Therefore, it is indeed important to maintain environmental balance to protect the planet and ensure a sustainable future.

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  • 19. 

    Grasshoppers eat grass and leaves

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Grasshoppers are known for their herbivorous diet, primarily consisting of grass and leaves. They have specialized mouthparts that allow them to efficiently consume plant material. This diet is essential for their survival and provides them with the necessary nutrients and energy. Therefore, the statement "Grasshoppers eat grass and leaves" is true.

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  • 20. 

    The organism does not use atmospheric oxygen for respiration

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "The organism does not use atmospheric oxygen for respiration" is false. Most organisms, including humans, rely on atmospheric oxygen for respiration. Oxygen is necessary for the process of cellular respiration, which generates energy for the organism. Without oxygen, organisms would not be able to efficiently produce ATP, the energy currency of cells.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2020
    Quiz Created by
    Kalpesh Patil
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