Life processes and nutrition - One Line Questions

1. The chemical equation for photosynthesis is often summarized as: — 6CO2 + 6H2O + Light Energy → C6H12O6 + 6O2
2. What is the main function of the large intestine? — Absorption of water and formation of feces
3. What is the primary function of the stomach? — Digestion of proteins and storage of food
4. Iodine is crucial for the proper functioning of the: — Thyroid gland
5. Which of the following is an example of a heterotroph? — Tiger
6. Fats are broken down into: — Fatty acids and glycerol
7. Which of the following is NOT a digestive enzyme secreted by the pancreas? — Pepsin
8. The process of breaking down complex food substances into simpler molecules that can be absorbed by the body is known as: — Digestion
9. Humans are classified as which type of organism based on their mode of nutrition? — Heterotrophs
10. Which substance is secreted by the stomach lining to aid in protein digestion and protect the stomach wall? — Mucus and Hydrochloric acid
11. Which of the following is a source of carbohydrates? — Rice
12. Which nutrient is essential for building and repairing tissues? — Proteins
13. Which gas is released as a byproduct during photosynthesis? — Oxygen
14. Muscle fatigue during strenuous exercise is often due to the accumulation of: — Lactic acid
15. What is the main pigment responsible for capturing light energy during photosynthesis? — Chlorophyll
16. In which part of the plant cell does cellular respiration primarily occur? — Mitochondrion
17. The inner lining of the small intestine is folded into numerous finger-like projections called: — Villi
18. The process of taking in food is called: — Ingestion
19. The process of utilizing absorbed food molecules for energy, growth, and repair is called: — Assimilation
20. The removal of undigested food material from the body is called: — Egestion
21. What is the energy currency of the cell, produced during respiration? — ATP (Adenosine Triphosphate)
22. Vitamins are required in small amounts and play crucial roles in: — Metabolic processes
23. Minerals are inorganic substances that are essential for: — Various physiological functions
24. Which organism obtains nutrients by breaking down dead and decaying organic matter? — Decomposer
25. Organisms that can produce their own food using inorganic substances are called: — Autotrophs
26. Anaerobic respiration in yeast produces: — Ethanol and carbon dioxide
27. The end products of aerobic cellular respiration are: — Carbon dioxide, water, and ATP
28. Which of the following is an example of an autotroph? — Rose plant
29. Which of the following is the primary site of photosynthesis in plant cells? — Chloroplast
30. Which of the following completes the process of digestion in humans? — Small Intestine
31. The liver produces bile, which is stored in the: — Gallbladder
32. Which enzyme, found in saliva, begins the digestion of carbohydrates? — Amylase
33. Bile salts aid in the digestion and absorption of: — Fats
34. Which type of nutrient provides the most concentrated source of energy? — Fats
35. The role of enzymes in digestion is to: — Speed up the breakdown of food molecules
36. Water is essential for life as it: — Aids in digestion and absorption
37. Iron is a vital mineral required for the formation of: — Red blood cells
38. The process by which green plants use sunlight, water, and carbon dioxide to create their own food is called: — Photosynthesis
39. The process of converting light energy into chemical energy in plants is: — Photosynthesis
40. The exchange of gases (oxygen and carbon dioxide) occurs in which part of the plant during photosynthesis? — Leaves (through stomata)
41. In humans, digestion begins in the: — Mouth
42. The pancreas secretes digestive enzymes into the: — Small intestine
43. The primary site for the absorption of digested nutrients in humans is the: — Small intestine
44. Which of the following is a primary source of proteins? — Pulses
45. What is the primary function of the circulatory system in relation to life processes? — To transport nutrients and oxygen to cells
46. What is the primary function of cellular respiration? — To release energy from glucose
47. The muscular tube connecting the pharynx to the stomach is called the: — Esophagus
48. Which vitamin is synthesized by bacteria in the large intestine? — Vitamin K
49. Which vitamin deficiency causes scurvy? — Vitamin C
50. Rickets, a condition characterized by soft bones, is caused by a deficiency of which vitamin? — Vitamin D
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