Answer: In this 2nd Chapter of Biology of 9th Class You Can Learn about Biological Methods,Observations Reasons of Malaria Spread and Hypotheses and Theories. The cell will remain same sized. Food reaches the stomach by By diffusion, molecules move across the cell through the cell membrane. Cementum, Question 17. Incisor. (b) Nucleus. Osmosis is the movement of water molecules from a region of higher concentration to a region of lower concentration across a semi-permeable mebrane. Answer: ……… makes the food slimy, so that it can be swallowed. (i) When eukaryotic cells are placed in hypotonic Solution, the water molecules will enter into the cell and the cell will swell up. Answer: Explain the action of disaccharidases? Balance your food choices over time. Answer: Solution SAQ – 13: Solution SAQ – 33: This Book is Published by PLD Publisher, … Answer: Peristalsis is the wave-like movement of the esophagus, stomach, and intestines. Genes are the functional units of chromosomes which transmit the heredity information from parents to offsprings. NCERT Solutions for Class 9 Biology Chapter 3 Diversity in Living Organisms. 3. 4. Question 46. The Tongue compresses the food into balls with the help of the palate. c) Secreted into the stomach What is the role of uvula? & …………… Question 1. 3. Define Liver and its main function? Plant cells have many simpler units of Golgi apparatus, called dictyosomes. Semipermeable membrane is required. 3. What is the role of the tongue in the digestive system? Answer: Answer: 2. Produce amino acids and helpful for growth. The nutrients required for our health are derived from our food. Question 42. 3. There are three types of plastids: chromoplasts, chloroplasts and leucoplasts. When such swollen raisins/apricots are placed in the concentrated Solution, each of them loses, water, and consequently shrinks again (due to exosmosis). Here you can Download or Preview online 9th Class Biology Book. Chew, Question 10. Solution SAQ – 9: (d) Nucleus. Answer: Then place them into a concentrated Solution of sugar or salt. It also regulates pH for the digestion in the stomach. CBSE Class 9 Chapter 2 – The Fundamental Unit Of Life – Cell. Chloroplasts are sites of photosynthesis. 1. (b) Substantiate your answer by explaining the term osmosis? Maltose, Question 26. Solution SAQ – 5: (d) Nucleoplasm – It is the liquid ground substance present in the nucleus. All the solutions of Cell: The Unit Of Life - Biology explained in detail by experts to help students prepare for their ICSE … Agarwal Biology Class 9 Page No – 116. What are the nutrients we get from food? Answer: Answer: Molar: Helps to chew the food. Answer: Organelles: Please Take the Test for Complete Chapter Review and Preparation. Animal cells have a single highly complex and prominent Golgi apparatus. Don’t worry, let us know and we will help you master it. PS Verma and V.K. Question 84. Answer: Observe the illustration and write down the questions below. In chapter helps students to know about the various groups of organisms. State whether true or false? Question 37. ……………. Question 61. Take online test of the chapters from NCERT Science Textbooks of Class 9. What is the difference noticed in active transport when compared to other processes? Answer: Answer: Complete the table given below. Solution SAQ – 25: Absorption of fatty acids and glycerol into lacteals is the example of Cell division takes place by fission or budding. The cell organelles are – Endoplasmic Reticulum, Ribosomes, Golgi apparatus, Lysosomes, Mitochondria, Plastids, Vacuoles, Peroxisomes and Centrosome. Answer: Question 1. ……… helps to bite and cut the food b) Enzymes are seen Organelles coordinate to produce the cell. (b) Cytosol – It is the soluble part of cytoplasm and is located between cell organelles. Pepsin, Question 41. Answer: (b) Plastids occur in most plant cells and are absent in animal cells. helps to tear the food? Hydrochloric acid. These folds are called cristae and are studded with small rounded bodies known as F1 particles or oxysomes. They are non-green coloured plastids. a) Secreted in liver. Organs coordinate to form organ systems, while organ systems form the body of an organism. hareem 7 Aug 2020 Reply. Solution SAQ – 20: Answer: Lamellae are absent. Answer: Question 1. Formulae Handbook for Class 9 Maths and Science. Lysozyme: destroy germs Disaccharidases like Maltose converts maltose to glucose, Lactase converts lactose to glucose and galactose and sucrase converts sucrose to glucose and fructose. Mitochondria are sites of cellular respiration. Salivary amylase, Question 24. (ix) Centrosome – It helps in cell division in the animal cell. Which are the process that help in the transport and substances in cells? Plant Cell: (i) Lysosomes serve as intracellular digestive system. 9th Class Biology Chapter 2 online lecture Biology Chapter 2 Solving A Biological Problem Exercise Question Such rooms were also present in monasteries. Ribosomes get synthesized in the nucleolus. …………. What are the components of saliva? Answer: As Lysosomes are organelles which on bursting can kill cells possessing them, they are called suicide bags. Lysosomes contain digestive enzymes for almost all types of organic materials. is the living tissue which forms the tooth. 4. Lamellae are present. Spinach looks green due to the presence of chloroplasts, papaya is yellow and edible part of watermelon is red due to the presence chromoplasts. More than one chromosome is present. Yes. Diffusion & Osmosis. Kerala State Syllabus 9th Standard Biology Solutions Chapter 2 Food Through Digestive Tract Food Through Digestive Tract Textual Questions and Answers.
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