Advertisements
Advertisements
Question
Name a waste gas released by the plants only during the daytime.
Solution
Oxygen is released only during the daytime. This is because oxygen is produced by photosynthesis only in the presence of sunlight.
APPEARS IN
RELATED QUESTIONS
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Name a waste gas released by the plants only during the night time.
What is the role of glomerulus in the kidney?
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Fill in the following blank with suitable word:
The organs which extract the nitrogenous wastes from the blood are ..........
What job is done by the kidneys?
Name the following:
The outer region of kidney containing the Bowman's capsule.
Why is it necessary to maintain a normal osmotic concentration of the blood?
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Where is most water reabsorbed ?
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Write the functional activity of the following structure: Renal artery
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
In a person the tubule part of the nephron is not functioning at all. What will its effect be on urine formation?
What would happen if green plants disappeared from earth?
The process of removal of unwanted metabolic wastes from the body is called ______.
