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प्रश्न
Rewrite the food-chain given below with correct sequence.
Grasshopper– Snake– Paddyfield– Eagle– Frog
उत्तर
Ans: Paddy field– Grasshopper– Frog– Snake– Eagle.
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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 =
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans
What are outside raw materials used for by an organism?
What processes would you consider essential for maintaining life?
Which is the basic requirement of living organisms for obtaining energy?
Which of the following type of energy is used by living organisms to perform vital life processes? Kinetic energy, Chemical energy, Potential energy, Nuclear energy
Match the organisms given in column I with the processes given in column II:
| Column I | Column II | ||
| (i) | Leech | (a) | Holozoic nutrition |
| (ii) | Amoeba | (b) | Autotrophic nutrition |
| (iii) | Mushroom | (c) | Parasitic nutrition |
| (iv) | Green plant | (d) | Saprophytic nutrition |
Match the terms in column I with their uses in column II
| Column I | Column II |
| (i) Heart | (a) Pipes for transport in humans |
| (ii) Arteries and Veins | (b) Clotting of blood |
| (iii) Xylem vessels | (c) Pumping organ |
| (iv) RBC | (d) Water transport in plants |
| (v) Platelets | (e) Carrier of oxygen |
A person lives near a forest. Make a list of four items which he can get from the forest to meet his daily needs.
Skin : Keratin : : Blood : ____________
Complete the following flowchart.
Fill in the blank and explain the statement.
Our muscle cells perform ______ type of respiration during exercise.
Write the definition.
Proteins
Write definition.
Glycolysis
Distinguish between Glycolysis and TCA cycle.
Give scientific reason.
Kreb's cycle is also known as citric acid cycle.
Write the forms to which following food materials are converted after digestion.
1.Milk
2. Potato.
3. Oil.
4. Chapati
Answer in detail.
How all the life processes contribute to the growth and development of the body?
Answer in detail.
Explain the Kreb's cycle with reaction.
Complete the following chart and state which process of energy production it represents:
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
Find an odd one out.
What are the main energy sources of living organisms?
Assertion: When air is passed through lime water, lime water turns milky.
Reason: Air contains 78% nitrogen and 21% oxygen.
How do the guard cells regulate opening and closing of stomatal pores?
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 |
Explain the following concept in short:
Balanced Diet
Classify vitamins according to their solubility.
Give one example of each of the classifications of vitamins.
