Diversity In Living Organisms

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| By Tanmay Shankar
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Tanmay Shankar
Community Contributor
Quizzes Created: 491 | Total Attempts: 1,787,050
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Diversity In Living Organisms - Quiz

Time: 30 Minute


Questions and Answers
  • 1. 

    Fungus and algae both are placed under the same division “Thallophyta”.What is the reason that both share the same group?

    • A.

      Both are autotrophic

    • B.

      Both are saprophytic

    • C.

      Plant body in both is not differentiated into root, stem and leaves

    • D.

      Both have false roots

    Correct Answer
    C. Plant body in both is not differentiated into root, stem and leaves
    Explanation
    Both fungus and algae are placed under the same division "Thallophyta" because the plant body in both organisms is not differentiated into root, stem, and leaves. This means that both fungus and algae have a simple, undifferentiated structure without specialized organs for absorption, support, and photosynthesis. This similarity in the organization of their plant body is the reason why they are grouped together under the division "Thallophyta".

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  • 2. 

    The alongside is given the figure of funaria – a moss plant. Here the  parts indicated by the letters A, B, C and D represent which of the following  structures?

    Correct Answer
    B.
  • 3. 

    Choose the option that best describes the characteristics of the kingdom to which the mushroom belongs:

    • A.

      Unicellular prokaryotic organisms

    • B.

      Saprophytic, eukaryotic, multicellular organisms

    • C.

      Unicellular eukaryotic organisms

    • D.

      Autotrophic eukaryotic organisms

    Correct Answer
    C. Unicellular eukaryotic organisms
    Explanation
    The correct answer is unicellular eukaryotic organisms. This means that the kingdom to which the mushroom belongs consists of single-celled organisms that have a nucleus and other membrane-bound organelles. The term "unicellular" refers to the fact that these organisms are made up of a single cell, while "eukaryotic" indicates that their cells have a nucleus. This distinguishes them from prokaryotic organisms, which lack a nucleus. The term "autotrophic" refers to organisms that can produce their own food, which is not applicable to mushrooms.

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  • 4. 

    The various species of organisms are grouped together on the basis of similarities and dissimilarities, which is known as the classification. It helps in an easy study of the organisms. Among the following which is not an advantage of classification of organisms?

    • A.

      It helps to understand the interrelationship among the different groups of organisms.

    • B.

      It helps to study the geographical distribution of the plants and animals.

    • C.

      It helps to study the nuclear structure of the organisms.

    • D.

      It depicts before us a picture of all the life forms at a glance.

    Correct Answer
    C. It helps to study the nuclear structure of the organisms.
    Explanation
    The classification of organisms helps in understanding the interrelationship among different groups of organisms, studying the geographical distribution of plants and animals, and depicting all life forms at a glance. However, it does not directly help in studying the nuclear structure of organisms. Classification focuses on organizing organisms based on similarities and dissimilarities, while studying the nuclear structure requires more specific techniques and approaches.

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  • 5. 

    Which of the following animals possesses a water vascular system?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    A. I
    Explanation
    Animal I possesses a water vascular system.

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  • 6. 

    Among the following choose the correct option that best describes the characteristics of Spirogyra.

    • A.

      Multicellular, autotrophic, root like rhizoids.

    • B.

      Cytoplasmic strands, autotrophic, presence of rhizome.

    • C.

      Presence of male cones, non-vascular, filaments.

    • D.

      Filamentous, presence of Cytoplasmic strands, presence of pyrenoids.

    Correct Answer
    D. Filamentous, presence of Cytoplasmic strands, presence of pyrenoids.
    Explanation
    The correct answer describes Spirogyra as filamentous, meaning it forms long, thread-like structures. It also mentions the presence of cytoplasmic strands, which are characteristic of Spirogyra and help in the movement of cytoplasm within the cell. Additionally, it states the presence of pyrenoids, which are organelles involved in the storage of starch in Spirogyra cells. These characteristics accurately describe Spirogyra and differentiate it from the other options provided.

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  • 7. 

    Angiospermae are a division of kingdom Plantae. The main characteristic feature of angiosperms is:

    • A.

      Seeds are naked in fruits

    • B.

      Seeds are covered with coats and are in fruits

    • C.

      Fruits are without seeds

    • D.

      Seeds are naked without fruits

    Correct Answer
    B. Seeds are covered with coats and are in fruits
    Explanation
    Angiosperms, or flowering plants, have seeds that are covered with coats and are found within fruits. This is a distinguishing feature of angiosperms, as opposed to gymnosperms, which have naked seeds. The fruit acts as a protective covering for the seed and aids in dispersal. This adaptation allows angiosperms to have a wider range of habitats and increases their chances of successful reproduction.

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  • 8. 

    Paramecium has tiny hair like projections all around the outside of their cell that give the paramecium locomotion and help the food to move in its oral cavity.Can you choose the correct name for these locomotory organelles?

    • A.

      Villi

    • B.

      Cilia

    • C.

      Oral groove

    • D.

      Cytopyge

    Correct Answer
    B. Cilia
    Explanation
    Cilia are tiny hair-like projections found on the surface of a paramecium's cell. These cilia beat in coordinated waves, allowing the paramecium to move through its environment. They also help to create a current that sweeps food particles into the paramecium's oral cavity, where they can be ingested and digested. Therefore, cilia are the correct name for these locomotory organelles.

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  • 9. 

    The International Code of Biological Nomenclature provides the scientific nomenclature for every organism that consists of the genus name and the species name of the organism. Can you guess who introduced this system of binomial nomenclature of the organisms?

    • A.

      Carolus Linnaeus

    • B.

      Robert Hooke

    • C.

      Robert Whittaker

    • D.

      Ernst Haeckel

    Correct Answer
    A. Carolus Linnaeus
    Explanation
    Carolus Linnaeus introduced the system of binomial nomenclature for organisms. This system, also known as the Linnaean system, assigns a unique two-part name to each organism, consisting of the genus name and the species name. Linnaeus is considered the father of modern taxonomy and his work laid the foundation for the International Code of Biological Nomenclature, which provides the rules and guidelines for naming organisms in a standardized and universally accepted manner.

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  • 10. 

    Which among the following is a common feature of chrodates?

    • A.

      Presence of notochord

    • B.

      Presence of triploblastic condition

    • C.

      Presence of coelom

    • D.

      Presence of gill pouches

    Correct Answer
    A. Presence of notochord
    Explanation
    The correct answer is the presence of notochord. The notochord is a flexible rod-like structure that provides support and acts as a precursor to the backbone in chordates. It is found in all chordates at some stage of their development, although it may be replaced by the vertebral column in vertebrates. The presence of a notochord is a defining characteristic of chordates and distinguishes them from other animal phyla.

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  • 11. 

    Which of the following have an open circulatory system?(i) Arthropoda                               (ii) Mollusca(iii) Annelida                                 (iv) Cnidaria

    • A.

      (i) and (ii)

    • B.

      (i) and (iii)

    • C.

      (ii) and (iv)

    • D.

      (ii) and (iii)

    Correct Answer
    A. (i) and (ii)
    Explanation
    Arthropoda and Mollusca have an open circulatory system. An open circulatory system is a type of circulatory system in which the blood or hemolymph is not enclosed in blood vessels and directly bathes the organs and tissues. Arthropods, such as insects and crustaceans, have a tubular heart that pumps hemolymph into the body cavity, where it comes into direct contact with organs and tissues. Mollusks, such as snails and clams, also have an open circulatory system where the heart pumps hemolymph into the body cavity, bathing the organs and tissues. Annelida and Cnidaria, on the other hand, have a closed circulatory system where the blood is enclosed in blood vessels.

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  • 12. 

    Here alongside are shown the pictures of some reptiles. Among the following can you opt out the statement that does not Match of the characteristics of this family?

    • A.

      Process of fertilization is internal in these organisms.

    • B.

      Their eggs have a hard covering or shell.

    • C.

      Their skin is dry and keratinised.

    • D.

      They have three chambered heart.

    Correct Answer
    D. They have three chambered heart.
    Explanation
    The correct answer is "They have three chambered heart." Reptiles actually have a four-chambered heart, which is a characteristic that distinguishes them from amphibians. Reptiles have a more advanced circulatory system compared to amphibians, allowing for better separation of oxygenated and deoxygenated blood.

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  • 13. 

    Four students P, Q, R and S were asked to do the labeling for the parts A, B, C, D and E of hydra shown in the figure alongside. They all submitted their answers as given below. Which of the four students done the labeling correctly?

    • A.

      Student P: A- Tentacle; B- Gastrodermis; C- Bud; D- Mouth; E- Young hydra.

    • B.

      Student Q: A- Tentacle; B- Mouth; C- Gastrodermis; D- Young hydra; E- Bud.

    • C.

      Student R: A- Young hydra; B- Mouth; C- Tentacle; D- Bud; E- Gastrodermis.

    • D.

      Student S: A- Tentacle; B- Mouth; C- Young hydra; D- Bud; E- Gastrodermis.

    Correct Answer
    D. Student S: A- Tentacle; B- Mouth; C- Young hydra; D- Bud; E- Gastrodermis.
    Explanation
    Student S has labeled the parts correctly. In a hydra, A refers to tentacles, B refers to the mouth, C refers to the young hydra, D refers to the bud, and E refers to the gastrodermis. Student S has correctly identified each part according to its function and location in the hydra.

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  • 14. 

    Which adaptation of the frog differentiates it from the fish?

    • A.

      Ability to live in water also

    • B.

      Lays eggs in water

    • C.

      Have a streamlined body

    • D.

      Presence of mucous glands in the skin

    Correct Answer
    A. Ability to live in water also
    Explanation
    The ability to live in water is the adaptation that differentiates the frog from the fish. While both frogs and fish are aquatic creatures, frogs have the unique ability to also live on land. This adaptation allows frogs to survive in a variety of habitats, including both aquatic and terrestrial environments. Fish, on the other hand, are strictly aquatic and cannot survive out of water. Therefore, the ability to live in water also is a distinguishing characteristic of frogs.

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  • 15. 

    Which of the following statement is incorrect?

    • A.

      Aves are warm blooded, egg laying and have four four-chambered heart.

    • B.

      Aves have a feather covered body, forelimbs are modified as wing and breathe through lungs.

    • C.

      Most of the mammals are viviparous.

    • D.

      Fishes, amphibians and reptiles are oviparous.

    Correct Answer
    D. Fishes, amphibians and reptiles are oviparous.
    Explanation
    The statement "fishes, amphibians and reptiles are oviparous" is incorrect. While it is true that many fishes, amphibians, and reptiles are oviparous (lay eggs), there are exceptions to this rule. Some species of fishes, such as certain species of sharks and rays, give birth to live young. Similarly, some amphibians and reptiles, such as certain species of frogs and snakes, also give birth to live young instead of laying eggs. Therefore, it is incorrect to say that all fishes, amphibians, and reptiles are oviparous.

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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 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 19, 2014
    Quiz Created by
    Tanmay Shankar
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