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Of the following, which one is better respiratory medium.
The respiratory pigment, which has much higher affinity to combine with oxygen is:
NUMS 2016
Biology
Gaseous Exchange
Elimination Tool:
Which of the following is the respiratory surface in human beings?
PMC Practice 3
Biology
Gaseous Exchange
Elimination Tool:
The glycolate produced diffuses into the membrane bounded organelles called
When abdomen expands, the number of spiracles open is
Active site of Rubisco is evolved to bind
A disease caused by gradual breakdown of the thin walls of alveoli is;
UHS 2019
Biology
Gaseous Exchange
Elimination Tool:
Xerophytes have small thick leaves to;
UHS 2019
Biology
Gaseous Exchange
Elimination Tool:
There are ______ stomata per square cm of leaf surface in Tobacco plants.
Lungs are separated from abdominal cavity by a muscular sheath called:
NUMS 2018
Biology
Gaseous Exchange
Elimination Tool:
Carbon dioxide is carried in the blood, mainly as:
NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:
Haemoglobin carries more oxygen than plasma by:
NTS 2011
Biology
Gaseous Exchange
Elimination Tool:
______ respiration is the process by which cell utilized oxygen and produces CO2
Most oxygen is transported in the blood:
NUMS 2018
Biology
Gaseous Exchange
Elimination Tool:
The oxygen-binding protein present in skeletal muscles is:
NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:
Which one of the following is a genetic disorder in which abnormally thick mucus is produced in the lungs and other parts of the body?
NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:
The blood enters the _____ side of heart
The voice box leads to the trachea which is also called
PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:
Smaller the animals:
NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:
Number of spiracles present in cockroach is
Number of spiracles present in the thorax of cockroach is
Oxygen is transported by combining with ……….. in Hb.
NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:
The most important cause of many of the respiratory disorders is:
NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:
Thick, waxy & leathery cuticle around leaves is present in which of the following?
PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:
During inspiration, the diaphragm:
PMC Practice 3
Biology
Gaseous Exchange
Elimination Tool:
Oxygen, released into the atmosphere, comes from:
NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:
Hemoglobin can absorb maximum oxygen at sea level, which is _____ ml/100 ml of blood.
NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:
The passageways of the respiratory system mucous secreting cells called:
NTS 2019
Biology
Gaseous Exchange
Elimination Tool:
The number of stomata present per cm2 of leaf is:
PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:
Chest cavity is bounded by ribs and muscles on the sides, while the floor of chest cavity is called:
NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:
Chest cavity is bounded by ribs and muscles on the sides, while the floor of chest cavity is called:
NUMS 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:
Oxygen contents per liter of air is
Lungs are spongy due to the presence of million of
As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:
NUMS 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:
Parabronchi are open at ______ end/s
Which of the following correctly explains the structure of myoglobin:
NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:
Guard cells function as:
NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:
During inspiration, the space inside the chest cavity is increased due to:
UHS 2019
Biology
Gaseous Exchange
Elimination Tool:
Booklungs serve the function of respiration in:
NTS 2014
Biology
Gaseous Exchange
Elimination Tool:
_________ respiration is directly involved in the production of energy, necessary for all living activities.
Diaphragm is a sheet of:
NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:
In which of the following are book lungs found?
NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:
The maximum amount of oxygen which normal human blood absorbs and carries at sea level is how many ml per 100 ml of blood?
PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:
Vocal cords, which help in voice production are two thin edged fibrous bands, present in:
NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:
During breathing air from Pharynx enters to:
UHS 2018
Biology
Gaseous Exchange
Elimination Tool:
Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?
UHS 2019
Biology
Gaseous Exchange
Elimination Tool:
Gaseous exchange in plants takes place through the:
NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:
Water is _____ times viscous than air
The structural and functional unit of the lungs is:
PMC Practice 2
Biology
Gaseous Exchange
Elimination Tool:
The infection of lungs is called:
PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:
Lungs are covered with double layered thin membranous sac called
The gas-exchange portion of the human respiratory system is the:
NTS 2016 SMBBMC
Biology
Gaseous Exchange
Elimination Tool:
Pharynx leads air into _____ through glottis.
NTS 2012
Biology
Gaseous Exchange
Elimination Tool:
Functional units of lungs are called
Gaseous exchange through the skin is known as ______ respiration.
Nicotine in tobacco:
NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:
In most birds air sacs are _____ in number
The air spaces may comprise upto ______ of total volume of leaf surface.
Vocal cords are stretched across
The function of respiratory passage, Cilia is to keep the airways clear of:
NTS 2019
Biology
Gaseous Exchange
Elimination Tool:
Which of the following is not an infection of the lungs/respiratory tract?
NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:
The irritant substances of smoke cause smoker’s cough which weakened and bursts:
NUMS 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:
Breathing is considered as a:
PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:
As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:
NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:
