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 Multiple Choice QuestionsMultiple Choice Questions

1.

What external changes are visible after the last moult of a cockroach nymph?

  • Mandibles become harder

  • Anal cerci develop

  • Both fore wings and hind wings develop

  • Both fore wings and hind wings develop

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2.

The function of the gap junction is to

  • performing cementing to keep neighbouring cells together

  • facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.

  • separate two cells from each other

  • separate two cells from each other

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3.

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of 

  • ammonia

  • potassium urate

  • urea

  • urea

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4.

Pheretima and its close relatives derive nourishment from

  • sugarcane roots

  • decaying fallen leaves and soil organic matter

  • soil insects

  • soil insects

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5.

Choose the correctly matched pair.

  • Tendon - Specialised connective tissue

  • Adipose tissue - Dense connective tissue

  • Tubular parts of nephrons - Cuboidal epithelium

  • Tubular parts of nephrons - Cuboidal epithelium

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6.

Compared to those of humans, the erythrocytes in frog are

  • without nucleus but with haemoglobin

  • nucleated and with haemoglobin

  • very much smaller and fewer

  • very much smaller and fewer

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7.

Select the correct statement from the ones given below with respect to Periplaneta americana

  • Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

  • Males bear a pair of short thread like anal styles

  • There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

  • There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

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8.

Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled A, B, C and D, and select the right option about them.



  • Part A Part B Part C Part D
    Macrophage Fibroblast Collagen fibres Mast cells
  • Part A Part B Part C Part D
    Mast cell Macrophage Fibroblast Collagen fibres
  • Part A Part B Part C Part D
    Macrophage Collagen fibres Fibroblast Mast cell
  • Part A Part B Part C Part D
    Macrophage Collagen fibres Fibroblast Mast cell
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9.

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?



  • Tissue Location Function
    Glandular epithelium Intestine Secretion
  • Tissue Location Function
    Collagen fibres Cartilage Attach skeletal muscles to bones

  • Tissue Location Function
    Smooth muscle tissue Heart Heart contarction
  • Tissue Location Function
    Smooth muscle tissue Heart Heart contarction
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10.

How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

  • Five

  • Six

  • Eight

  • Eight

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