Advertisements
Advertisements
प्रश्न
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
Advertisements
उत्तर
The statement is incorrect since plants respire and expel carbon dioxide at all times,but they only give out oxygen during the day because photosynthesis can only occur in the presence of sunlight.
APPEARS IN
संबंधित प्रश्न
What are the methods used by plants to get rid of excretory products?
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
Name a waste gas released by the plants only during the night time.
What is the function of excretory system in humans?
Fill in the blank :
Nitrogenous wastes in the urine are in the form of urea and .....................
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Renal artery, urethra, ureter, kidney, urinary bladder.
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
 |
- Define excretion.
- Why does the cortex of the kidney show a dotted appearance?
- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Differentiate between:
Ureter and Urethra.
Name the Following
The process by which kidneys regulate the water content of the body.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Choose the correct option.
What is micturition?
Choose the correct option.
Which one of the following organisms excrete waste through nephridia?
The habitat of animals that excrete nitrogenous waste in the form of urea.
When uric acid is produced in excess, it gets deposited in joints, resulting in ____________.
The CORRECT match is ______.
What would happen if green plants disappeared from earth?
