Hiccups can be best described as from Biology Breathing and Exch

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

41.

During anaerobic conditions, the rate of glycolysis increases, is called

  • compensation point

  • extinction point

  • Warburg effect

  • Pasteur effect


42.

At high altitude, RBC's of human blood will

  • increase in number

  • decrease in number

  • decrease in size

  • increase in size


43.

The vital capacity of lungs is equal to

  • 4000 ml

  • 5000 ml

  • 6000 ml

  • 7000 ml


44.

Which of the following products are obtained by anaerobic respiration from yeast?

  • Alcohols

  • CO2

  • Beer and Wine

  • All of the above


Advertisement
45.

What will be the number of Calvin cycles to generate one molecule of hexose?

  • 4

  • 6

  • 8

  • 9


Advertisement

46.

Hiccups can be best described as

  • forceful sudden expiration

  • forceful contraction of intercostal muscles during deep breathing

  • vibration of the soft palate during breathing while sleeping

  • jerky incomplete inspiration.


D.

jerky incomplete inspiration.

A hiccup can be described as a jerky incomplete inspiration. It is an involuntary contraction of the diaphragm that may repeat several times per minute. In medical terms, it is known as synchronous diaphragmatic flutter (SDF).


Advertisement
47.

Which part of the nephrons is impermeable to water

  • Proximal convoluted tubule

  • Distal convoluted tubule

  • Ascending limb of loop of Henle

  • Descending limb of loop of Henle


48.

The volume of 'anatomical dead space' air is normally

  • 230 mL

  • 210 mL

  • 190 mL

  • 150 mL


Advertisement
49.

Assertion: Smoking causes oxygen deficiency in the body.

Reason: Carbon monoxide when inhaled while smoking, combines with haemoglobin to form chemically stable compound.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


50.

Oxygen binding to haemoglobin in blood is

  • directly proportional to the concentration of CO2 in the medium

  • inversely proportional to the concentration of CO2 in the medium

  • directly proportional to the concentration of CO in the medium

  • independent of the concentration of CO in the medium


Advertisement