Download PDF Class 9 Biology Notes Chapter 9 Chapter 9: Plant Physiology Exercise Solution A. Select the Correct Answers for the Following Questions 1. Which of the following plant nutrients is required in large amount? a) Ironb) Zincc) Potassiumd) Boron Correct Answer: (c) Potassium 2. Which element is required by plants for the formation of…
Download PDF Class 9 Biology Notes Chapter 8 Chapter 8: Bioenergetics Exercise Solution A. Select the Correct Answers for the Following Questions 1. When we get energy from ATP, which bonds are broken? a) P–P bondsb) C–H bondsc) C–N bondsd) C–O bonds Correct Answer: a) P–P bonds 2. Light reactions of photosynthesis occur in: a)…
Download PDF Class 9 Biology Notes Chapter 7 Chapter 7: Enzymes Exercise Solution A. Select the Correct Answers for the Following Questions 1. Primarily, all enzymes are: a) Nucleic acidsb) Proteinsc) Carbohydratesd) Lipids Correct Answer: b) Proteins 2. Which best defines an enzyme? a) A chemical that breaks down food.b) A hormone that regulates metabolism.c)…
Download PDF Class 9 Biology Notes Chapter 6 Chapter 6: Biomolecules Exercise Solution A. Select the Correct Answers for the Following Questions 1. What is the primary function of carbohydrates? a) Provide energyb) Act as enzymesc) Regulate processesd) Make membranes Correct Answer: a) Provide energy 2. How will you differentiate between monosaccharides and polysaccharides? a)…
Download PDF Class 9 Biology Notes Chapter 5 CHAPTER 5: TISSUES, ORGANS, AND ORGAN SYSTEMS EXERCISE SOLUTION A. SELECT THE CORRECT ANSWERS FOR THE FOLLOWING QUESTIONS 1. A higher level of organization exhibits emergent properties when: (a) Its parts function independently.(b) The sum of its parts is greater than the whole.(c) The individual parts are…
Download PDF Class 9 Biology Notes Chapter 4 CHAPTER 4: CELL CYCLE EXERCISE SOLUTION A. SELECT THE CORRECT ANSWERS FOR THE FOLLOWING QUESTIONS 1. In which phase of the cell cycle does maximum growth occur in the cell? (a) M phase(b) S phase(c) G₁ phase(d) G₂ phase Correct Answer: (c) G₁ phase 2. In which…
Download PDF Class 9 Biology Notes Chapter 3 CHAPTER 3: THE CELL TEXTBOOK EXERCISE SOLUTION A. SELECT THE CORRECT ANSWERS FOR THE FOLLOWING QUESTIONS 1. The process of cellular respiration occurs in: (a) Nucleus(b) Mitochondria(c) Ribosomes(d) Golgi apparatus Correct Answer: (b) Mitochondria 2. The smooth endoplasmic reticulum (SER) is primarily involved in the synthesis of:…
Download PDF Class 9 Biology Notes – Chapter 2 Chapter 2: Biodiversity Textbook Exercise Solution A. Select the Correct Answers for the Following Questions 1. Which of the following taxonomic ranks represents the broadest rank? (a) Species(b) Genus(c) Kingdom(d) Domain Answer: (d) Domain 2. Which characteristic is unique to organisms in the domain Archaea? (a)…
Download PDF Class 9 Biology Notes Chapter 1: The Science of Biology Board: Punjab BoardSubject: BiologyChapter: 1Textbook Exercise Solutions A. Select the Correct Answers for the Following Questions 1. Which branch of Biology focuses on the study of the structure and function of cells? Answer: (a) Cytology 2. The study of the processes of heredity…
Download PDF Class 9 Chemistry Notes – Chapter 13 Laboratory and Practical Skills Textbook Exercise Solutions 1. Tick (✓) the Correct Answer (i) Safety in the chemistry laboratory is: Answer: (d) A shared responsibility (ii) Accidents often result from: Answer: (d) All of the above (iii) The label “Warning” on a chemical bottle signifies: Answer:…
