Please select a subject first
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Complete the missing word in the statement given below:
Eosinophils are associated with ______ reactions.
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State the functions of the following in blood.
Neutrophils
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State the functions of the following in blood.
Lymphocytes
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Explain the consequences of a situation in which blood does not coagulate.
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Differentiate between basophils and eosinophils
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Answer the following:
Name the major site where RBCs are formed.
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Different types of excretory structures and animals are given below. Match them appropriately and mark the correct answer from among those given below:
| Excretory structure/ organ | Animals |
| A. Protonephridia | i. Prawn |
| B. Nephridia | ii. Cockroach |
| C. Malpighian tabules | iii. Earthworm |
| D. Green gland or Antennal gland | iv. Flatworms |
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Which one of the following statements is incorrect?
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Which of the following pairs is wrong?
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What is the excretory product from kidneys of reptiles?
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Identify the glands that perform the excretory function in prawns.
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What is the excretory structure in amoeba?
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Complete the following:
Dialysis fluid = Plasma –
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Aquatic animals generally are ammonotelic in nature where as terrestual forms are not. Comment.
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How have the terrestrial organisms adapted themselves for conservation of water?
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Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.
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Draw illustrations to bring out anatomical difference between Monocot stem and dicot stem.
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Differentiate between guttation and transpiration.
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What role does root pressure play in water movement in plants?
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Describe transpiration pull model of water transport in plants. What are the factors influencing transpiration? How is it useful to plants?
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