CBSE Biology Model Test Paper : Set III
1. Where is bile juice produced and stored in the human body?
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2. Name the tissues which transports water and synthesise food in plants.
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3. What are homologous organs?
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4. Name the gases responsible for greenhouse effect. How is green house effect caused? What are its effects?
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5. Where does light reaction of photosynthesis occurs in the chloroplasts of the leaves? Explain the structure of a granum. Which structure connects one granum to the other in the chloroplast? (2)
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6. Write any three steps that you would take for sustainable development of the environment.
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7. Describe the events occurring during rhythmic contraction and relaxation of heart muscles during a heart beat.
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8. Explain the following:
(i) Why are testes and ovaries considered as the primary sex organs? (ii) Why is vagina called as ‘birth canal’? (Hi) Why are vas deferenses long in the reproductive system of human males?
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9. Mention the characteristics of a gene.
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10. Explain the structure of the forebrain of man. Mention the types of stimuli controlled by the parts of the brain.
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