Online General Knowledge Test On Biology - 3

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| By Nauakrimilgai
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Nauakrimilgai
Community Contributor
Quizzes Created: 12 | Total Attempts: 15,329
| Attempts: 97
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  • 1/10 Questions

    Most highly intelligent mammals are

    • Whales
    • Dolphins
    • Elephants
    • Kangaroos
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About This Quiz

This online biology quiz assesses knowledge on various biological topics including fruit classification, infectious diseases, and the role of elements in amino acids and nerve impulse transmission. It targets understanding of complex biological concepts and disease mechanisms, suitable for enhancing biological literacy.

Online General Knowledge Test On Biology - 3 - Quiz

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  • 2. 

    Which of the following is not a mosquito borne disease?

    • Dengue fever

    • Malaria

    • Sleeping sickness

    • Filariasis

    Correct Answer
    A. Sleeping sickness
    Explanation
    Sleeping sickness, also known as African trypanosomiasis, is not a mosquito-borne disease. It is caused by parasites transmitted through the bite of infected tsetse flies. The parasites enter the bloodstream and eventually invade the central nervous system, causing symptoms such as fever, headaches, and sleep disturbances. Unlike dengue fever, malaria, and filariasis, which are transmitted by mosquitoes, sleeping sickness is specifically transmitted by tsetse flies.

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  • 3. 

    Plant development is influenced by

    • Quality of light only

    • Quality and quantity of light

    • Quality and duration of light

    • Quality, quantity and duration of light

    Correct Answer
    A. Quality, quantity and duration of light
    Explanation
    Plant development is influenced by the quality, quantity, and duration of light because different plants have different light requirements for optimal growth. The quality of light refers to the specific wavelengths of light, such as red or blue, which are essential for photosynthesis and various plant processes. The quantity of light refers to the intensity or brightness of light, which affects the rate of photosynthesis and overall plant growth. The duration of light refers to the length of time plants are exposed to light, including the photoperiod, which regulates flowering and other developmental processes. Therefore, all three factors play a significant role in influencing plant development.

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  • 4. 

    In certain amino acids, which one of the following elements is found in addition to carbon , hydrogen, nitrogen and oxygen?

    • Phosphorus

    • Zinc

    • Calcium

    • Sulphur

    Correct Answer
    A. Sulphur
    Explanation
    Certain amino acids contain sulphur in addition to carbon, hydrogen, nitrogen, and oxygen. Sulphur is an essential element in the structure and function of proteins. It forms disulfide bonds, which contribute to the folding and stability of proteins. These bonds help to maintain the three-dimensional structure of proteins, which is crucial for their proper function. Therefore, sulphur plays a vital role in the composition of certain amino acids.

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  • 5. 

    Prokaryotic cells lack

    • Nucleolus

    • Nuclear membrane

    • Membrane bound by organelles

    • All of these

    Correct Answer
    A. All of these
    Explanation
    Prokaryotic cells lack a nucleolus, which is a region within the nucleus responsible for producing ribosomes. They also lack a nuclear membrane, which separates the genetic material from the rest of the cell. Additionally, prokaryotic cells lack membrane-bound organelles, such as mitochondria or endoplasmic reticulum, which are present in eukaryotic cells. Therefore, all of these options are correct in stating what prokaryotic cells lack.

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  • 6. 

    Photosynthesis takes place faster in

    • Yellow light

    • White light

    • Red light

    • Darkness

    Correct Answer
    A. White light
    Explanation
    Photosynthesis is the process by which plants convert light energy into chemical energy to produce glucose and oxygen. White light contains all the colors of the visible spectrum, providing a full range of wavelengths for plants to absorb. This means that plants can utilize all the necessary wavelengths for photosynthesis, resulting in faster and more efficient production of glucose and oxygen. In contrast, yellow and red lights have specific wavelengths that may not provide the full spectrum required for optimal photosynthesis. Darkness, on the other hand, lacks the necessary light energy for photosynthesis to occur.

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  • 7. 

    Which of the following is least infectious ?

    • Leprosy

    • Hepatitis

    • Tuberculosis

    • Conjunctivitis

    Correct Answer
    A. Leprosy
    Explanation
    Leprosy is the least infectious among the given options. Leprosy, also known as Hansen's disease, is a chronic bacterial infection caused by Mycobacterium leprae. It is a slow-growing bacteria that primarily affects the skin, peripheral nerves, and eyes. Leprosy is transmitted through prolonged close contact with an infected person, but it is relatively difficult to contract compared to other infectious diseases. In contrast, hepatitis, tuberculosis, and conjunctivitis are more easily transmitted through various means such as contaminated blood, respiratory droplets, or direct contact with infected fluids.

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  • 8. 

    Primary phloem develops from

    • Lateral meristem

    • Protoderm

    • Extrastelar cambium

    • Provascular tissue

    Correct Answer
    A. Provascular tissue
    Explanation
    Primary phloem develops from the provascular tissue. The provascular tissue is responsible for the formation of the primary vascular system in plants, which includes both the primary xylem and the primary phloem. The provascular tissue differentiates into the phloem cells, which are responsible for transporting sugars and other organic compounds throughout the plant. This development occurs during the early stages of plant growth and is essential for the plant's overall functioning and growth.

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  • 9. 

    Among the following elements, which one is essential for the transmission of impulses in the nerve fibre?

    • Calcium

    • Iron

    • Sodium

    • Zinc

    Correct Answer
    A. Iron
    Explanation
    Iron is not essential for the transmission of impulses in the nerve fiber. Instead, sodium is the essential element for the transmission of impulses in the nerve fiber. Sodium ions play a crucial role in generating and propagating electrical signals along the nerve fiber. They help in the depolarization and repolarization of the nerve cell membrane, allowing the transmission of impulses. Iron, on the other hand, is important for various other physiological processes, such as oxygen transport in the blood and energy production, but it is not directly involved in nerve impulse transmission.

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  • 10. 

    For which among the following is not a true fruit?

    • Apple

    • Date

    • Grape

    • Grape

    Correct Answer
    A. Grape
    Explanation
    The grape is not a true fruit because it is classified as a berry. True fruits develop from the ovary of a flower and contain seeds, while grapes are formed from the ovary and other parts of the flower. They are considered berries because they have a fleshy pericarp and multiple seeds. Apples and dates, on the other hand, are true fruits as they develop solely from the ovary and contain seeds.

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  • Current Version
  • Jan 29, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 24, 2012
    Quiz Created by
    Nauakrimilgai

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