Exercise, 10th Sci.2, 2. Life Processes in Living Organisms, Part -1.1

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धड्याचा योग्य अभ्यास व्हावा म्हणून पान नंबर 16 सांगा पाहू पासून पुढे आजचा स्वाध्याय आहे.

1. Which living organisms perform anaerobic respiration for energy production?

2. We get ... Kcal of energy per gram of protein.

3. How many atoms of C, H, and O are present in a molecule of glucose? (The word "respectively" is not needed.) 

4. We get ... Kcal of energy per gram of carbohydrates.

5. Which enzymes are formed in the cells and used in cellular respiration?

6. ... is also called the Embden-Meyerhof-Parnas pathway (EMP pathway).

7. How are the foodstuffs and their nutrient contents useful for the body?

8. From where do we obtain the lipids?

9. Chemically, ... is a triphosphate molecule formed from adenosine ribonucleoside.

10. In aerobic respiration, glucose is oxidized by which three steps?

11. In the case of lipids, they are converted into ... acids, whereas proteins are converted into amino acids.

12. Write the long form of FADH₂..

13. What is respiration?

14. From amino acids, organs and cells produce various ... necessary for themselves and the

whole body.

15. The cyclical reactions of the tricarboxylic acid cycle are also called the ... cycle.

16. The molecules called ..., which are essential for producing plasma membrane, are formed from fatty acids.

17. What are the main sources of energy?

18. Which types of chemical bonds are present between all these atoms?

19. Which molecules are derived from the tricarboxylic acid cycle?

20. How are the foodstuffs and their nutrient contents useful for the body?

21. Which type of cellular respiration performs complete oxidation of glucose?

22. Plants produce the necessary amino acids from minerals ... and thereby produce different proteins.

23. How are the food stuffs and their nutrient contents useful for body?

24. In living organisms, respiration occurs at two levels as ... and cellular level.

25. Write the long form of NADH₂..

26. Excess  carbohydrates are stored in the liver and muscles in the form of ... (of the)

27. Define cellular respiration. 🫁

28. Seeds perform anaerobic respiration if the soil is submerged under water during ... .

29. Write the long form of ATP.

30. How are the foodstuffs and their nutrient contents useful for the body?

31. Cellular respiration occurs among the living organisms by which two methods?

32. Which cell organelle is necessary for complete oxidation of glucose?

33. How are the food stuffs and their nutrient contents useful for body?

34. What molecules are produced when a glucose molecule is gradually oxidized during the glycolysis process?

35. ... are the macromolecules formed by bonding together many amino acids.

36. Cyclic chain of reactions called as tricarboxylic acid cycle is operated on it in the mitochondria.

37. Give a reason why ATP is called the ‘energy currency’ of the cell.

38. How are the foodstuffs and their nutrient contents useful for the body?

39. An enzyme ... present in the plant chloroplasts is the most abundant protein found in nature.

40. In terms of chemistry, what actually happens when a molecule is oxidized?

41. Proteins of animal origin are called ‘...’ proteins.

42. The substances formed by specific chemical bonds between fatty acids and alcohol are called ... .

43. The electron transfer chain reaction is operated in ... only.

44. Amino acids are obtained after digestion of ... .

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ध्रुवतारा (Polaris) पृथ्वीपासून सुमारे ४३०–४३३ प्रकाशवर्षे दूर आहे.

 त्यामुळे ध्रुवताऱ्यापासून निघालेला प्रकाश आपल्यापर्यंत पोहोचण्यासाठी सुमारे ४३०–४३३ वर्षे लागतात.

आज आपण ध्रुवतारा पाहतो, तेव्हा प्रत्यक्षात ध्रुवतारा  ४३० वर्षांपूर्वी कसा होता, तेच दृश्य आपण पाहत असतो.