The transparent lens in the human eye is held in its place by fr

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Match the items given in Column I with those in Column II and select the correct option given below:
column i column ii
a Tricuspid valve i Between left atrium and left ventricle
b Bicuspid valve ii Between right ventricle and pulmonary artery
c Semilunar valve iii Between right atrium and right ventricle

  • a b c
    iii i ii
  • a b c
    i iii ii
  • a b c
    ii i iii
  • a b c
    i ii iii

2.

Match the items given in Column I with those in Column II and select the correct option given below:
Column i Column ii
a Tidal volume i 2500 – 3000 mL
b Inspiratory Reserve volume ii 1100 – 1200 mL
c Expiratory Reserve volume iii 500 – 550 mL
d Residual volume iv 1000 – 1100 mL

  • a b c d
    iii ii i iv
  • a b c d
    iii i iv ii
  • a b c d
    iv iii ii i
  • a b c d
    i iv ii iii

3.

Which of the following is an amino acid derived hormone?

  • Epinephrine

  • Ecdysone

  • Estriol

  • Estradiol


4.

Which of the following structures or regions is incorrectly paired with its functions?

  • Medulla oblongata : Controls respiration and cardiovascular reflexes

  • Limbic system: consists of fibre tracts that interconnect different regions of brain; controls movement.

  • Corpus callosum: band of fibres connecting system: left and right cerebral hemispheres.

  • Hypothalamus: production of releasing hormones and regulation of temperature,the hunger and thirst.


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5.

The transparent lens in the human eye is held in its place by

  • ligaments attached to the ciliary body

  • ligaments attached to the iris

  • smooth muscles attached to the ciliary body

  • smooth muscles attached to the iris


A.

ligaments attached to the ciliary body

Lens in the human eye is held in its place by suspensory ligaments attached to the ciliary body.


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6.

Which of the following hormones can play a significant role in osteoporosis?

  • Aldosterone and Prolactin

  • Progesterone and Aldosterone

  • Parathyroid hormone and Prolactin

  • Estrogen and Parathyroid hormone


7.

Which of the following gastric cells indirectly help in erythropoiesis?

  • Chief cells

  • Mucous cells

  • Parietal cells

  • Goblet cells


8.

Match the items given in Column I with those in Column II and select the correct option given below:
Column I Column II
a Fibrinogen i Osmotic balance
b Globulin ii Blood clotting
c Albumin iii Defence
mechanism

  • a b c
    iii ii i
  • a b c
    i ii iii
  • a b c
    ii iii i
  • a b c
    i ii iii

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9.

Which of the following is an occupational respiratory disorder?

  • Anthracis

  • Silicosis

  • Emphysema

  • Botulism


10.

Calcium is important in skeletal muscle contraction because it

  • Binds to troponin to remove the masking of active sites on actin for myosin.

  • Activates the myosin ATPase by binding to it.

  • Prevents the formation of bonds between the myosin cross bridges and the actin filament.

  • Detaches the myosin head from the actin filament.


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