DPP - 01CBSE : Daily Practice Problems - SCIENCE - 07/11/2021 - BIOLOGY

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BIOLOGY :

Q1. How are fats digested in our bodies? Where does this process take place?
Q2. What is the role of saliva in the digestion of food?
Q3. What are the necessary conditions for autotrophic nutrition and what are its byproducts?
Q4. What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Q5. How are the alveoli designed to maximise the exchange of gases?
Q6. What would be the consequences of a deficiency of haemoglobin in our bodies?
Q7. Describe double circulation of blood in human beings. Why is it necessary?
Q8. What are the differences between the transport of materials in xylem and phloem?
Q9. Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Q10. What are the components of the transport system in human beings? What are the functions of these components?
Q11. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
Q12. What are the components of the transport system in highly organised plants?
Q13. How are water and minerals transported in plants?
Q14. How is food transported in plants?
Q15. What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Q16. What are the different ways in which glucose is oxidised to provide energy in various organisms?
Q17. How is oxygen and carbon dioxide transported in human beings?
Q18. How are the lungs designed in human beings to maximise the area for exchange of gases?