The black pigment in the eye which reduces the internal reflectio

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following is an eye disease?

  • Hepatitis

  • Measles

  • Glaucoma

  • Bronchitis


2.

Which match is true?

  • Vitamin deficiency disease Vitamin Source
    Severe bleeding Tocopherol Milk, egg
  • Anaemia Ascorbic acid Lemon, orange
  • Night blindness Retinol Carrot, milk
  • Sterility Calciferol Milk, butter

3.

Which of the following does not come under the Class Mammals?

  • Flying fox

  • Hedgehog

  • Manatee

  • Lamprey


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4.

The black pigment in the eye which reduces the internal reflection is located in

  • retina

  • iris

  • cornea

  • sclerotic


A.

retina

The black pigment in the eye which reduces the internal reflection is known as retina. It is the inner most coat of the eyeball and it is a thin, light sensitive nervous layer. The external coat of the eyeball is known as sclerotic but in front of the sclerotic, there is a transparent connective tissue called cornea. Iris is the pigmented part present in front of choroid.


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5.

Which of the following match is correct?

  • Hormone Effect
    Oxytocin Milk ejection hormone
  • Glucagon Decreases blood sugar level
  • Adrenaline Decreases heart rate
  • Thyroxine Decreases BMR

6.

Which of the following statements regarding glucagon is false?

  • It is secreted by α-cells of Langerhans

  • It acts antagonistically to insulin

  • It decreases blood sugar level

  • The gland responsible for its secretion is heterocrine gland.


7.

Hearing impairment affects which part of brain?

  • Frontal lobe

  • Parietal lobe

  • Temporal lobe

  • Cerebellum


8.

The shoulder blade is made of

  • clavicle

  • humerus

  • ilium

  • scapula


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9. Omnis-cellula-e-cellula was given by

  • Virchow

  • Hooke

  • Leeuwenhoek

  • Brown


10.

The component of blood which prevents its coagulation in the blood vessels is

  • Haemoglobin

  • Plasma

  • Thrombin

  • Heparin


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