CBSE Biology Self-Practice Test Paper : Set IV
1. Define parthenogenesis.
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2. What are nastic movements?
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3. What do ECG and EEG stands for?
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4. Explain the process of ‘absorption’ for controlling gaseous pollutants present in the air.
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5. How is water content and ion concentration maintained in the body of an animal? What is this process known as?
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6. How has overpopulation been the cause of deforestation? Mention two such causes.
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7. What are the essential features of Reproductive Health? Mention them.
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8. Define reflex action. Depict the reflex action with the help of labelled sketch.
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9. Describe the following: (i) Homologous organs, (ii) Analogous organs, and (iii) Vestigial organs.
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10. Answer the following:
(i) Define aerobic and anaerobic respirations. (ii) Depict them with the help of the equations. (iii) Mention two differences between the two types of respiration.
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