Advertisements
Advertisements
प्रश्न
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
उत्तर
Diaphragm
APPEARS IN
संबंधित प्रश्न
Given below are the end products of different reactions involving glucose.
Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver
What are the different ways in which glucose is oxidized to provide energy in various organisms?
Trace the movement of oxygenated blood in the body.
Name two animals which breathe through gills.
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
How are oxygen and carbon dioxide exchanged in our body during respiration?
Give the main points of difference between respiration in plants and respiration in animals.
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
The two organisms which breath only through their moist skin are:
In cockroaches, air enters the body through:
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
Veins and arteries carry blood. Which of these carry blood back to the heart?
Out of xylem and phloem, which one carries materials only upwards?
Which chemical compound inside a cell can be termed "Currency of Energy"?
State one function of the following:
Diaphragm
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Name the organs that bring about respiration.
____________ refers to a biochemical process of oxidation of organic compounds in an orderly manner for the liberation of chemical energy in the form of ATP.
Identify the CORRECT sequence of events for the transport of respiratory gases.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:
Breathing is a process that
- provides O2 to the body.
- breaks down food to release energy.
- helps the body to get rid of CO2.
- produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
