Biology Online interview questions – page 4

122 questions. Tap “Show answer” to check yourself.

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  1. The teeth which develop two times in their life cycle of the human beings are

    1. 4
    2. 8
    3. 12
    4. 20
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    D. 20

  2. Which one of the following is necessarily needed to digest the food stuffs?

    1. mineral
    2. enzyme
    3. water
    4. air
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    B. enzyme

  3. Heart is made up of

    1. nonstriated muscle
    2. connective tissue
    3. cardiac muscle
    4. none of these
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    C. cardiac muscle

  4. Leukaemia or blood cancer is characterized by abnormal increase of the

    1. Blood platelets
    2. Red blood cells
    3. Blood plasma
    4. White blood cells
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    D. White blood cells

  5. What is the pH of blood?

    1. 6.4
    2. 6.5
    3. 7
    4. 7.4
    Show answer

    D. 7.4

  6. The stone formed in human kidney consist mostly of

    1. Calcium
    2. Calcium oxalate
    3. Magnesium
    4. Sodium acetate
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    B. Calcium oxalate

  7. The bones of the leg in the human body are

    1. humurus
    2. spherical
    3. solid
    4. hollow
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    D. hollow

  8. Ready source of energy available for athletes is

    1. fats
    2. carbohydrates
    3. vitamins
    4. proteins
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    B. carbohydrates

  9. Which one of the following crops supply surplus nitrogen to the soil?

    1. sweet potato
    2. sun flower
    3. potato
    4. pea
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    D. pea

  10. The study of annual rings is called

    1. horticulture
    2. dendrochronology
    3. dendrology
    4. agronomy
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    B. dendrochronology

  11. Which one of the following chemicals is most suitable to control storage insects on a small scale?

    1. Sevidol
    2. Celphos
    3. E.D.B.
    4. B.H.C.
    Show answer

    D. B.H.C.

  12. What are the antibodies that participate in the defence mechanism of our body made up of?

    1. Proteins
    2. Carbohydrates
    3. Minerals
    4. Vitamins
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    A. Proteins

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  14. The hormone insulin is a

    1. peptide
    2. glycolipid
    3. fatty acid
    4. sterol
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    B. glycolipid

  15. The glands of the body which pour their secretions directly into the blood stream are known as

    1. exocrine glands
    2. heterocrine glands
    3. endocrine glands
    4. compound glands
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    C. endocrine glands

  16. Anatomy is the branch of science which deals to

    1. Structure of animals and plants
    2. Functioning of body organs
    3. Animals behavior
    4. Cells and tissues
    Show answer

    A. Structure of animals and plants

  17. Richest source of Vitamin B1 (thiamine) is

    1. eggs
    2. curd
    3. whole bread meal
    4. cod liver oil
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    C. whole bread meal

  18. Hydroponics is associated with a

    1. technique of water conservation
    2. relation of sound and air
    3. plant growth without water
    4. plant growth without soil
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    D. plant growth without soil

  19. Who is affected by ‘Foot and Mouth Disease’?

    1. Cattle
    2. Cats
    3. Human being
    4. Goats
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    A. Cattle

  20. The source of immediate energy for cellular activity is

    1. ATP
    2. NAD
    3. RNA
    4. FAD
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    A. ATP

  21. The salivary gland secrets saliva which contains the enzyme

    1. Ptyalin
    2. Pepsin
    3. Lipase
    4. Renin
    Show answer

    A. Ptyalin

  22. Which one of the following is not an essential micronutrient for plants?

    1. Boron
    2. Copper
    3. Sodium
    4. Zinc
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    C. Sodium

  23. Antigens are present

    1. inside the cytoplasm
    2. on the cell surface
    3. on the nuclear membrane
    4. inside the nucleus
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    B. on the cell surface

  24. The edible part of pear is

    1. pulpy thalamus
    2. endocarp
    3. seed ferns
    4. aerial
    Show answer

    A. pulpy thalamus

  25. Among the following food items, which one has the highest amount of carbohydrates

    1. Pea
    2. Cabbage
    3. Banana
    4. Apple
    Show answer

    C. Banana

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  27. In which of the following cell organelles do photo and thermo chemical reactions occur in different sites?

    1. Lysosomes
    2. Mitochondria
    3. Chloroplasts
    4. Ribosomes
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    C. Chloroplasts

  28. Which of the following element is present in largest amount in human body?

    1. nitrogen 
    2. carbon
    3. oxygen
    4. hydrogen
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    C. oxygen

  29. Oncology is the study of

    1. Mammals
    2. Soil
    3. Cancer
    4. Birds
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    C. Cancer

  30. The internal secretion of  ____ helps in digestion.

    1. Hydrochloric acid
    2. Sulphuric acid
    3. Acetic acid
    4. Citric acid
    Show answer

    A. Hydrochloric acid

  31. In which one among the following cell walls, the silica is abundantly found?

    1. cell wall of all gymnosperms
    2. cell wall of grass and horsetail
    3. cell wall of all dicots
    4. cell wall of all monocots
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    B. cell wall of grass and horsetail

  32. To which one of the following types of organisms do mushrooms belong?

    1. Lichens
    2. Ferns
    3. Algae
    4. Fungi
    Show answer

    D. Fungi

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