Biology Class 10 CBSE Syllabus Topics

What is holozoic nutrition?

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Name the mode of nutrition of insectivorous plants.

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How do unicellular forms procure food. bring about exchange of gases and excrete metabloic wastes ?

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In amoeba and paramoecium, the food is digested inside their body in the food vacuole. What tern is used for this type of digestion?

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How do leaves of plants help in excretion?

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List two organisms whose type of nutrition is holozoic.

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How does a paramoecium capture its food?

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What is assimilation of food ?

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What is peristalsis?

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Name the term used for the breakdown of large fat molecules into smaller ones.

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Name the process responsible for the periodic contraction and expansion muscular movement hat push the food forward in the alimentary canal.

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Name two protein digesting enzymes.

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Name the structure that regulates egestion.

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Bile juice do not contain any enzymes, still they are very important for digestion. Why?

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Name of the digestive juice which does not contain any enzyme but is considered vital for the digestion of food in the intestine.

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Name a gland in human beings Which performs dual functions.

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What causes movement of food inside the alimentary canal?

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How does a paramoecium capture its food ?

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Describe double circulation in human beings. Why is it necessary?

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What is the define food?

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Plants have low energy need as compared to animals. Explain.

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What would happen if green plants disappear from the earth?

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What are the function of gastric glands present in the wall of the stomach?

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What will happen if mucus is not secreted by the gastric glands?

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How does aerobic respiration differ from anaerobic respiration?

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Two green plants are kept separately in oxygen free containers ,one in the dark and the other in continuous light . Which one will live longer ? Give reasons.

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Differentiate between an autotroph and a heterotroph.

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Why do fishes die when taken out of water?

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How do the guard cells regulate opening and closing of stomatal pores?

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"All plant give out oxygen during day and carbon dioxide during night " Do you agree with this statement? Give reason.

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Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.

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What are the differences between the transport of material in xylem and phloem?

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What would be the consequences of a deficiency of haemoglobin in our bodies?

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How are the alveoli designed to maximise the exchange of gases?

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What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.

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What is meant by life processes?

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Why do veins have thin walls as compared to arteries?

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Explain the three pathway of breakdown in living organisms.

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What will happen if platelets were absent in the blood?

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Is ' nutrition ' a necessity for an organism? Discuss .

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Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?

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What is common for cuscuta , tick and leeches?

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Explain the role of mouth in digestion of food?

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Why is blood circulation in human heart called double circulation?

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If a plant is releasing carbon dioxide and taking in oxygen during the day , does it mean that there is no photosynthesis occurring ? Justify your answer.

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Why is small intestine in herbivores longer than in carnivores?

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Name the energy currency in the living organism . When and where is it produced?

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Why does absorption of digested food occur mainly in the small intestine?

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What is the significance of emulsification of fats?

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What is the advantage of having four chambered heart?

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