During inspiration, the diaphragm : from Biology NEET Year 2006

Subject

Biology

Class

NEET Class 12

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

11.

Carotene pigment is found in the cells of

  • dermis

  • epidermis

  • adipose cell

  • both 'b' and 'c


12.

Debove's membrane is a layer of :

  • muscular tissue

  • epithelial tissue

  • connective tissue

  • all of the above


13.

Achilles tendon is associated with :

  • gluteus muscle

  • hamstring muscle

  • quadriceps muscle

  • gastrocnemius muscle


14.

The leucocytes contain which of the following in large quantity ?

  • basophils

  • neutrophils

  • eosinophils

  • monocytes


Advertisement
15.

Which part of our body secreted the hormone secretin?

  • ileum

  • stomach

  • duodenum

  • oesophagus


Advertisement

16.

During inspiration, the diaphragm :

  • expands

  • shows no change

  • contracts and flattens

  • relaxes to become dome-saped


C.

contracts and flattens

Breathing or ventilation of the lungs is the process of filling the lung with atmospheric air and then emptying it. Inspiration is breathing in and expiration is breathing out. During inspiration, the diaphragm contracts putting backwords by partial flattening and increase the thoracic cavity lengthwise.


Advertisement
17.

The oxygen toxicity is related with:

  • blood poisoning

  • collapse of alveolar walls

  • failure of ventilation of lungs

  • both 'a' and 'b'


18.

Cardiac output is determined by:

  • heart rate

  • stroke volume

  • blood flow

  • both 'a' and 'b'


Advertisement
19.

The important function of lymph is to :

  • transport oxygen to the brain

  • transport carbon dioxide to the lungs

  • return RBCs to the lymph nodes

  • return interstitial fluid to the blood


20.

The lining of intestine and kidneys in humans is :

  • keratinized

  • brush border

  • ciliated

  • none of these


Advertisement