Advertisements
Advertisements
Question
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Solution
(a) Respiration occurs all the time.
(b) Photosynthesis occurs only at daytime as it can take place only in the presence of sunlight.
APPEARS IN
RELATED QUESTIONS
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
How are oxygen and carbon dioxide transported in human beings?
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
Trace the movement of oxygenated blood in the body.
Name an animal which depends on simple diffusion of gases for breathing.
Name two animals which breathe through gills.
Where does the blood absorb oxygen in the human body?
Fill in the following blank with suitable word:
The actual exchange of gases takes place in the ___________ of the lungs.
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
Describe the process of respiration in the following part of a plant:
Leaves
Why do the walls of trachea not collapse when there is less air in it?
Choose the odd one out in the following groups of four items each:
Hairy, Moist, Nostril, Vocal cord
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
State one function of the following:
Diaphragm
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
How much percent of C02 is transported in a dissolved form as carbonic acid?
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
