Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

The serous membrane which covers the lungs is called

  • pericardium

  • peritoneum

  • perichondrium

  • pleura


22.

The volume of air that can be breathed in by maximum forced inspiration over and above the normal inspiration is called

  • expiratory reserved volume

  • inspiratory reserved volume

  • vital capacity

  • inspiratory capacity


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23.

How many ATP are produced when one molecule of FADH2 is oxidised to FAD through electron transport system?

  • 2

  • 3

  • 1

  • 4


A.

2

During the course of electron transfer, when electrons passes from one carrier molecule to another in the ETC. They get coupled to ATP synthase for the production of ATP from ADP and Pi (inorganic phosphate). The number of ATP molecule synthesised depends upon the nature of the electron donor. One molecule of FADH2 on oxidation provides or produces 2 molecules of ATP because its redox potential is higher than NADH and thus, enters the ETS after by passing the first site of phosphorylation.


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24.

Which valve is present at the opening of coronary sinus?

  • Mitral valve

  • Eustachian valve

  • Thebesian valve

  • Tricaspid valve


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25.

Which of the following organs does not produce any digestive enzymes?

  • Salivary gland

  • Pancreas

  • Liver

  • Stomach


26.

The disease that occurs in mature adult human being due to deficiency of calciferol is

  • keratomalacia

  • osteomalacia

  • glossitis

  • pernicious anaemia


27.

Which blood cells can engulf bacteria by phagocytosis?

  • Eosinophil and basophil

  • Basophil and lymphocyte

  • Neutrophil and monocyte

  • Neutrophil and lymphocyte


28.

Which excitatory neurotransmitter is involved in the transmission of impulse at the neuromuscular junction?

  • Epinephrine

  • Serotonin

  • Acetylcholine

  • Glycine


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29.

Which area of cerebral cortex is responsible for the interpretation of speech?

  • Broca's area

  • Wernicke's area

  • Premotor area

  • Association area of sensory cortex


30.

Which of the following pituitary hormones is secreted without the involvement of a Releasing Hormone (RH)?

  • Thyroid Stimulating Hormone (TSH)

  • Follicle Stimulating Hormone (FSH)

  • Oxytocin

  • Prolactin


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