Questions Related to zoology

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

Epiglottis is meant for protecting

  1. Oesophagus from entry of air

  2. Nasal chambers from entry of food

  3. Larynx from entry of food

  4. Teeth from caries

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The epiglottis is a flap of cartilage that covers the opening of the larynx during swallowing. This prevents food and liquids from entering the respiratory tract.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

A person starts coughing suddenly while swallowing some food. It could be due to improper movement of.

  1. Neck

  2. Diaphragm

  3. Tongue

  4. Epiglottis

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coughing while swallowing occurs when food particles accidentally enter the larynx. This happens if the epiglottis fails to close the glottis properly during the swallowing reflex.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

What are correct about control of Broca area ?
1.Breathing 
2.Movement of vocal cords
3.Movement of teeth
4.Movement of tongue

  1. 1, 2, 3 correct

  2. 1, 2 correct

  3. 2, 4 correct

  4. 1, 3 correct

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Broca's area is primarily associated with speech production. It controls the motor movements of the tongue and vocal cords necessary for articulation.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

Choose the correct answer from the alternatives given.
Which of the following is the cartilaginous structure that folds down to meet the uprising larynx to close off the airway during swallowing?

  1. Trachea

  2. Epiglottis

  3. Cricoid cartilage

  4. Thyroid cartilage

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A flap-like epiglottis closes the opening to the larynx during swallowing to prevent swallowed matter from entering the trachea (airway). So, the correct option is 'Epiglottis'.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

Choose the correct answer from the alternatives given.
In which of the following structures vocal cords are located?

  1. Oesophagus

  2. Larynx

  3. Pharynx

  4. Bronchi

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The vocal cords are folds of membranous tissue that are located within the larynx at the top of the trachea. Their edges vibrate in an airstream to produce voice. So, the correct option is 'Larynx'.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

Choose the correct answer from the alternatives given.
In the nostril the air is

  1. warned

  2. filtered

  3. moistened

  4. all of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The nostrils carry out the necessary conditioning of inhaled air by warming and moistening it and the nasal hair present in the nostrils prevents large particles from entering the lungs by filtering the air. So, the correct option is 'all of these'.

Multiple choice zoology gas exchange in humans human respiration the mechanism of breathing breathing and its movements

Choose the correct answer from the alternatives given.
The Adams apple is formed predominantly, by which of the following structures?

  1. Larynx

  2. Pharynx

  3. Oesophagus

  4. Bronchi

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Adam's apple is a laryngeal protrusion that is formed by the angle of the thyroid cartilage surrounding the larynx and is seen especially in males. So, the correct option is 'larynx'.