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11th Standard Biology English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Three

11th Standard

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Biology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Who coined the term biodiversity

    (a)

    Walter Rosen

    (b)

    AG Tansley

    (c)

    Aristotle

    (d)

    AP de Candole

  2. Lateral line sense organs occur in

    (a)

    Salamander

    (b)

    Frog

    (c)

    Watersnake

    (d)

    Fish

  3. The location and numbers of malpighian tubules in Periplaneta.

    (a)

    At the junction of midgut and hindgut, about 150.

    (b)

    At the junction of foregut and midgut, about 150

    (c)

    Surrounding gizzard, eight.

    (d)

    At the junction of colon and rectum, eight.

  4. Absorption of glycerol, fatty acids and monoglycerides takes place by

    (a)

    Lymph vessels within villi

    (b)

    Walls of stomach

    (c)

    Colon

    (d)

    Capillaries within villi

  5. During inspiration, the diaphragm

    (a)

    expands

    (b)

    unchanged

    (c)

    relaxes to become dome-shaped

    (d)

    contracts and flatten

  6. A person having both 'antigen A and antigen B on the surface of RBCs belongs to blood group

    (a)

    A

    (b)

    B

    (c)

    AB

    (d)

    O

  7. What will happen if the stretch receptors of the urinary bladder wall are totally removed?

    (a)

    Micturition will continue

    (b)

    Urine will be continue to collect normally in the bladder

    (c)

    There will be micturition

    (d)

    Urine will not collect in the bladder

  8. Skeletal muscles are attached to the bones by

    (a)

    tendon

    (b)

    ligament

    (c)

    pectin

    (d)

    fibrin

  9. Which part of the human brain is concerned with the regulation of body temperature?

    (a)

    Cerebellum

    (b)

    Cerebrum

    (c)

    Medulla oblongata

    (d)

    Hypothalamus

  10. A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of

    (a)

    Low secretion of growth hormone

    (b)

    Cancer of the thyroid gland

    (c)

    Over secretion of pars distalis

    (d)

    Deficiency of iodine in diet

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TN 11th Standard Biology free Online practice tests

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