NEET Biology Solved Question Paper 2016

Multiple Choice Questions

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The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the labels along with their functions and select the correct option.

  • C- Vena Cava - takes blood from body parts to right atrium, Pco2 = 45 mm Hg

  • D- Dorsal aorta - takes blood from heart to body parts, Po2 = 95 mm Hg

  • A- Pulmonary vein - takes impure blood from body parts to heart, Po2 = 60 mm Hg

  • B- Pulmonary artery - takes blood from heart to lungs, Po2= 90 mm Hg.

A.

C- Vena Cava - takes blood from body parts to right atrium, Pco2 = 45 mm Hg

In the given figure:

1. A is pulmonary vein which brings pure blood from lungs to left atrium.

2. B is dorsal aorta which carries blood from heart to body parts.

3. C is vena cava which carries impure blood from body parts to right atrium.

4. D is pulmonary artery which takes impure blood from heart to lungs.

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    Identify the given structure

    • Adenylic acid

    • Uracil

    • Cholesterol

    • Adenosine

    Answer

    Pseudostratified epithelium is found in

    • seminiferous tubule

    • Fallopian tube

    • trachea

    • kidney tubules

    Answer

    One hormone hastens maturity period in juvenile conifers, a second hormone controls xylem differentiation, while the third hormone increases the tolerance of plants to various stresses. They are respectively

    • Gibberellin, Auxin, Ethylene

    • Auxin, Gibberellin, Cytokinin

    • Gibberellin, Auxin, ABA

    • Auxin, Gibberellin, ABA

    Answer

    Cornea transplant in humans is almost never rejected. This is because

    • it is composed of enucleated cells

    • it is a non-living layer

    • its cells are least penetrable by bacteria

    • it has no blood supply

    Answer
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    Retrogressive metamorphosis occurs in

    • Hemichordata

    • Cephalochordata

    • Urochordata

    • Vertebrata

    Answer

    The H-zone in the skeletal muscle fibre is due to

    • the central gap between actin filaments extending through myosin filaments in the A-band

    • extension of myosin filaments in the central portion ofthe A-band

    • the absence of myofibrils in the central portion of A-band

    • the central gap between myosin filaments in the A-band.

    Answer

    The volume of 'anatomical dead space' air is normally

    • 230 mL

    • 210 mL

    • 190 mL

    • 150 mL

    Answer

    Which of the following are homosporous pteridophytes?

    I. Selaginella

    II. Lycopodium

    III. Salvinia

    IV. Equisetum

    • I and IV only

    • II and III only

    • II and IV only

    • III and IV only

    Answer
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    Which one of the following is not a mammalian character?

    • Presence of milk producing glands

    • Skin is unique in possessing hair

    • Presence of external ears called pinnae

    • Homodont type of dentition

    Answer