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प्रश्न
Explain the ‘inhalation’.
उत्तर
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संबंधित प्रश्न
Given below are the end products of different reactions involving glucose. Write the appropriate end product in front of the following:
(1) Anaerobic reaction =
(2) Reaction in human muscles =
(3) Aerobic respiration
(4) Reaction in plant cells =
(5) Reaction in liver =
Name the life process of an organism that helps in the growth of its population.
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans
Match the terms in column I with those in column II :
| Column I | Column II | ||
| (i) | Trypsin | (a) | Liver |
| (ii) | Amylase | (b) | Gastric glands |
| (iii) | Bile | (c) | Pancreas |
| (iv) | Pepsin | (d) | Saliva |
Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to?
Skin : Keratin : : Blood : ____________
Rewrite the food-chain given below with correct sequence.
Grasshopper– Snake– Paddyfield– Eagle– Frog
Fill in the blank and explain the statement.
Our muscle cells perform ______ type of respiration during exercise.
Write definition.
Nutrition.
Write definition
Nutrients
Write the definition.
Proteins
Distinguish between Glycolysis and TCA cycle.
Give scientific reason.
Oxygen is necessary for complete oxidation of glucose.
Give scientific reason.
Kreb's cycle is also known as citric acid cycle.
Explain the glycolysis in detail.
Answer in detail.
How all the life processes contribute to the growth and development of the body?
Complete the following chart and state which process of energy production it represents:
Soil fertility is determined by its ability to :
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
Find an odd one out.
Explain the Steps of Glycolysis.
How do the guard cells regulate opening and closing of stomatal pores?
Why do fishes die when taken out of water?
Match the words of Column (A) with that of Column (B)
| Column A | Column B |
| Phloem | (i) Excretion |
| Nephron | (ii) Translocation of food |
| Veins | (iii) Clotting of blood |
| Platelets | (iv) Deoxygenated blood |
In each of the following situations what happens to the rate of photosynthesis?
- Cloudy days
- No rainfall in the area
- Good manuring in the area
- Stomata get blocked due to dust
Match the terms in Column (A) with those in Column (B)
| Column (A) | Group (B) |
| (a) Trypsin | (i) Pancreas |
| (b) Amylase | (ii) Liver |
| (c) Bile | (iii) Gastric glands |
| (d) Pepsin | (iv) Saliva |
Explain the following concept in short:
Role of circulatory system in energy production
Give scientific reason.
Cell division is one of the important properties of cells and organisms.
Classify vitamins according to their solubility.
Give one example of each of the classifications of vitamins.
