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प्रश्न
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
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उत्तर
Coating vaseline to the leaves of a healthy plant will close its stomata pores and stop the respiration of plants and the plants die.
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संबंधित प्रश्न
Mention the exact location of the Prostate gland.
the Biological/technical term Pigment providing colour to urine.
The form in which glucose in stored in liver.
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
The excretory unit in the human excretory system is called:
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.
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
Label the diagram given below :
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 ?
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Name the functional units of the kidneys.
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
The minor calyx _______.
Answer the following question.
State the role of liver in urea production.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
Explain the importance of soil for plant growth.
An organ that produces urea:
