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

11th Standard

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Biology

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

    Answer all the questions

    10 x 1 = 10
  1. Which of following represent generation in pteridophytes?

    (a)

    Prothallus

    (b)

    Thallus.

    (c)

    Cone

    (d)

    Rhizophore

  2. Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of

    (a)

    Tuberous root

    (b)

    Beaded root

    (c)

    Moniliform root

    (d)

    Nodulose root

  3. Many cells function properly and divide mitotically even though they do not have

    (a)

    plasma membrane

    (b)

    cytoskeleton

    (c)

    mitochondria

    (d)

    plastids

  4. Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?

    (a)

    Chromosomes will be fragmented

    (b)

    Chromosomes will not condense

    (c)

    Chromosomes will not segregate

    (d)

    Recombination of Chromosomes will occur

  5. Which of the following is not present on same rank?

    (a)

    Primata

    (b)

    Orthoptera

    (c)

    Diptera

    (d)

    Insecta

  6. The respiratory pigment in cockroach is

    (a)

    Haemoglobin

    (b)

    Haemocyanin

    (c)

    Oxyhaemoglobin

    (d)

    Haemoerythrin

  7. Prevention of substances from leaking across the tissue is provided by

    (a)

    Tight junction

    (b)

    Adhering junction

    (c)

    Gap junction

    (d)

    Elastic junction

  8. Which of the following are the sense organs of Cockroach?

    (a)

    Antennae, compound eyes, maxillary palps, anal cerci

    (b)

    Antennae, compound eye, maxillary palps

    (c)

    Antennae, ommatidia, maxillary palps, sternum

    (d)

    Antennae, eyes, maxillary palps, and tarsus of walking legs

  9. Blood group is due to the presence or absence of surface

    (a)

    Antigens on the surface of WBC

    (b)

    Antibodies on the surface of  RBC

    (c)

    Antigens of the surface of RBC

    (d)

    Antibodies on the surface of WBC

  10. Identify the wrong match

    (a)

    Bowman's capsule - Glomerular filteration

    (b)

    DCT - Absorption of glucose

    (c)

    Henle's loop - Concentration of urine

    (d)

    PCT - Absorption of Na+ and K+ ions

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