BIOLOGY [1 Mark Question Answer]

Which chemical compound inside a cell can be termed "Currency of Energy"?

Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.

Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury

Name the body structure concerned with the given functional activity:
Combines with the oxygen in the lungs.

Name the body structure concerned with the given functional activity:
Helps to increase the volume of the chest cavity lengthwise.

Name the body structure concerned with the given functional activity:
Transports oxygen to the body cells.

Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.

Choose the odd one out in the following groups of four items each:
Hairy, Moist, Nostril, Vocal cord

Choose the odd one out in each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin

Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion

Choose the odd one out in the following groups of four items each:
Diffusion, Respiratory gases, Alveoli, Capillary network

Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen

Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Residual volume (RV)

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Vital capacity (VC)

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Expiratory reserve volume (ERV)

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Inspiratory reserve volume (IRV)

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Tidal volume (TV)

Given alongside is a diagrammatic sketch of a kind of part in human lungs.
What do the arrows 5 and 6 indicate?

Given alongside is a diagrammatic sketch of a kind of part in human lungs.
Name the parts numbered 1-4

What is wrong in the statement "We breathe in oxygen and breathe out carbon dioxide".

How would you prove that air you breathe out is warmer?

Under what conditions would the breathing rate increase?

State one function of the following:
Pleural fluid

State one function of the following:
Intercostal muscles

State one function of the following:
Diaphragm

State one function of the following:
Mitochondria

State one function of the following:
Ciliated epithelium lining the respiratory tract

What are the functions of the following in breathing?
Abdominal muscles

What are the functions of the following in breathing?
Diaphragm

What are the functions of the following in breathing?
Ribs

Starting from the nostrils, trace the path in sequence which the inspired air takes until it reaches the air sacs.

With regard to the respiratory system and the process of respiration in man, answer the following question :
Give the overall chemical equation to represent the process of respiration in humans.

With regard to the respiratory system and the process of respiration in man, answer the following questions:
Name the two muscles that help in breathing.

Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?

Give Suitable Explanation for the Following :
Breathing through the nose is said to be healthier than through the mouth.

Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)

Differentiate between the following pairs on the basis of the aspect given in the brackets.
Respiration and Breathing (Organs involved)

Differentiate between the following pairs on the basis of the aspect given in the brackets.
Photosynthesis and Respiration (Reactants)

Differentiate between the following pairs on the basis of the aspect given in the brackets.
Respiration and Photosynthesis (Gas released)

Differentiate between the following pairs on the basis of the aspect given in the brackets.
Aerobic and Anaerobic respiration (End products of the process)