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प्रश्न
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
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उत्तर
If a plant is releasing carbon dioxide and taking in oxygen during the day means the plant is respiring; it does not mean that there is no photosynthesis occurring in the plant. This is because Photosynthesis and respiration are two independent processes.
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संबंधित प्रश्न
What are the methods used by plants to get rid of excretory products?
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:
(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
Name the basic filtration unit present in the kidney.
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
Name the main waste which passes into the dialysing solution.
Tick the most appropriate answer.
Quinine is used in the treatment of
Write down the functional activity of the following parts,
Henle's loop ………………
Fill in the blanks in the following passage to make it a meaningful description.
In a nephron, the ______ flows through the ______ under great pressure. The reason for this great pressure is that the ______ (outgoing) ______ is narrower than the ______ (incoming). This high pressure causes the ______ part of the blood to filter out from the ______ into the ______ capsule.
Define the following term:
Micturition
Look at the figure given bellow, it is a section of human kidney as seen from the front.
Is it a longitudinal section or a cross-section?
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
Explain in your own words with suitable examples.
How does excretion occur in human beings?
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:
Which structure contains the lowest concentration of urea?
Draw a labeled diagram of the human kidney as seen in a longitudinal section.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
In order to maintain homeostasis or constant internal environment . ______' is essential.
Bilirubin and Biliverdin are pigments which are ____________.
Elimination of nitrogenous wastes in the form of uric acid takes place in ____________.
Name the following:
The main nitrogenous waste formed in the body.
An organ that produces urea:
