Control and coordination-nervous system

Question 1 Define the term stimuli? Question 2 Define the term coordination? Question 3 What are neurons? Question 4 Explain the structure of neuron? Question 5 What is the function of nervous system? Question 6 What is synapses? Control and coordination The change in environment to which organism respond and react is called stimuli. The…

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Hormones in animals

Question 1 What are hormones? Question 2 What is a target organ? Question 3 Define gland? Question 4 What are endocrine glands.Give example? Question 5 What are exocrine glands.Give example? Question 6 Write the functions of adrenal gland? Question 7 Why adrenal gland is called as emergency hormone? Question 8 What are the functions of thyroid…

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Plant Hormone

Question 1 What are phytohormones? Question 2 Name the three phases of plant growth? Question 3 What is the function of growth regulators.Give example? Question 4 What are growth inhibitors?Give example? Question 5 What are auxins? Question 6 What are Gibberellins? Question 7 What is the function of cytokinins? Question 8 Name the  stress hormone in…

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Plant movement

Question 1 Name two types of movements shown by plants? Question 2 Define the term phototropism? Question 3 What is positive stimulus? Question 4 What is negative stimulus? Question 5 Define the term geotropism? Question 6 Define the term chemotropism? Question 7 Define the term hydrotropism? Coordination in plants Plants do not have nervous system,muscles and sense…

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Central nervous system

Question 1 What are voluntary actions? Question 2 What are involuntary actions? Question 3 What is cranium?What is its function? Question 4 What are meninges.What is their function? Question 5 Name the three regions of brain? Question 6 What are the functions of fore brain? Question 7 What are the functions of mid brain? Question 8 What…

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Reflex action

Question 1 What is a reflex action?Give example? Question 2 Why reflex actions are generally known as spinal reflexes? Question 3 What are receptors? Question 4 What are Effectors? Question 5 What are connectors? Reflex Action A reflex action is a spontaneous ,automatic and mechanical response to stimulus or sudden action in response to something…

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