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प्रश्न
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
उत्तर
- Raw onion and garlic contain volatile sulphur-containing compounds.
- Sulphur-containing compounds have a distinctive odour which remain in the mouth after consumption of onion and garlic.
- Also, volatile compounds (like certain sulphur containing compounds) in foodstuffs are generally excreted through the lungs and may result in bad breath.
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संबंधित प्रश्न
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
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?
Identify the odd one.
Draw the well-labelled diagram of the human excretory system
Name the following:
The part of kidney tubules where the term urine is first used for the fluid in it.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Write the functional activity of the following structure: Aldosterone
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
Explain the importance of soil for plant growth.
