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    Biology, Zoology & Botany GK Practice Test

    Gk Practice Test: Question Set - 14

    1. Most fish do not sink in water because of the presence of
        I. Swim bladder
        II. Air bladder
        III. Air sacs
        IV. Air in spongy bones
      (A) I and II are correct
      (B) II and III are correct
      (C) III and IV are correct
      (D) I, II, III and IV are correct

    2. Plants hormone that induces cell division is
      (A) Auxins
      (B) Gibberellins
      (C) Kinins
      (D) Domins

    3. Plants developing in dry conditions are
      (A) Xerophytes
      (B) Mesophytes
      (C) Lithophytes
      (D) Hydrophytes

    4. Norepinephrine increases
      (A) Respiration
      (B) Urine production
      (C) Saliva production
      (D) Blood pressure

    5. Plants receive their nutrients mainly from
      (A) Chlorophyll
      (B) Atmosphere
      (C) Light
      (D) Soil

    6. Process of cell division can take place by
      (A) Heterosis
      (B) Fusion
      (C) Mitosis
      (D) None of these

    7. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
      (A) Robert Hooke
      (B) Robert Brown
      (C) Rudolf Virchow
      (D) Theodore Schwann

    8. Plants that grow in saline water are called
      (A) Halophytes
      (B) Hydrophytes
      (C) Mesophytes
      (D) Thallophytes

    9. Potato is a modified form (outgrowth) of
      (A) Root
      (B) Stem
      (C) Fruit
      (D) Leaf

    10. Prothrombin which helps in clotting of blood is released by
      (A) Lymphocytes
      (B) Erythrocytes
      (C) Monocytes
      (D) Blood platelets

    11. Plants wilt due to excess of
      (A) Transpiration
      (B) Photosynthesis
      (C) Absorption
      (D) None of these

    12. Monotremes are unique mammals because they
      (A) Posses hair
      (B) Give birth to live young
      (C) Secret milk in a pouch
      (D) Lay eggs

    13. Movements due to light are shown by
      (A) Flowering plants
      (B) Lower plants
      (C) All land plants
      (D) All the plants

    14. Most abundant tissues of our body are
      (A) Muscular
      (B) Connective
      (C) Epithelial
      (D) Nervous

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    Item Reviewed: Biology, Zoology & Botany GK Practice Test Rating: 5 Reviewed By: Pranab Debnath
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