National Eligibility Cum Entrance Test

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  • 1/6 Questions

    Most highly intelligent mammals are

    • Whales
    • Dolphins
    • Elephants
    • Kangaroos
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About This Quiz

This quiz is designed for NEET aspirants to assess their knowledge in Biology, focusing on plant nutrition, protein synthesis, intelligent mammals, photosynthesis, and plant hormones. It aids in understanding key biological processes and structures, enhancing preparation for the NEET exam.

Biology Quizzes & Trivia

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  • 2. 

    Plants receive their nutrients mainly from

    • Chlorophyll

    • Atmosphere

    • Light

    • Soil

    Correct Answer
    A. Soil
    Explanation
    Plants receive their nutrients mainly from the soil. Soil contains essential nutrients like nitrogen, phosphorus, and potassium, which are necessary for plant growth and development. These nutrients are absorbed by the plant's roots and transported to different parts of the plant to support various metabolic processes. While chlorophyll and light are important for photosynthesis, they do not provide the essential nutrients needed for plant growth. The atmosphere also plays a role in providing carbon dioxide for photosynthesis, but it does not directly supply nutrients to plants.

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  • 3. 

    Plants synthesis protein from

    • Starch

    • Sugar

    • Amino acids

    • Fatty acids

    Correct Answer
    A. Amino acids
    Explanation
    Plants synthesize protein from amino acids because amino acids are the building blocks of proteins. When plants take up nitrogen from the soil, it is converted into amino acids through various biochemical processes. These amino acids are then used by the plant to build different types of proteins, which are essential for various cellular functions and growth. Starch and sugar are sources of energy for plants, while fatty acids are used for lipid synthesis. However, in terms of protein synthesis, amino acids are the key components.

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  • 4. 

    O2 released in the process of photosynthesis comes from

    • CO2

    • Water

    • Sugar

    • Pyruvic acid

    Correct Answer
    A. Water
    Explanation
    During the process of photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose (sugar) and oxygen. The oxygen released as a byproduct comes from the splitting of water molecules. Water is broken down into hydrogen and oxygen through a series of chemical reactions, and the oxygen is then released into the atmosphere. Therefore, the correct answer is water.

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  • 5. 

    Potato is a modified form of

    Correct Answer
    Stem
    Explanation
    Potato is a modified form of stem. The stem of a potato plant grows underground and swells up to form the edible part that we commonly know as a potato. This modified stem, called a tuber, stores nutrients and energy for the plant. It also produces small buds called eyes, which can sprout into new potato plants. Therefore, the correct answer is stem.

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  • 6. 

    Plants hormone that induces cell division is

    Correct Answer
    Kinins
    Explanation
    Kinins are a type of plant hormone that promotes cell division. They play a crucial role in plant growth and development by stimulating the formation of new cells. Kinins are responsible for various processes such as root development, leaf expansion, and fruit development. They act by activating specific proteins called cyclin-dependent kinases, which regulate the cell cycle and promote cell division. Overall, kinins are essential for maintaining the growth and vitality of plants.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 22, 2011
    Quiz Created by
    Babeeta

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