cbse class 9 biology the fundamental unit of life mcq

Amazing, This is very helpful for me thanks a lot. (c) plastids (d) ribosomes (a) isotonic solution (b) hypertonic (e) is a fluid contained inside the nucleus, Diagram of the plant cell can be drawn and label it with parts mentioned above. It is very easy to understand the concepts. The smooth endoplasmic reticulum help in manufacture of fat and lipids which along with proteins help in building the cell membrane. RER does protein synthesis while SER does…. Hint—(a) Leucoplast   (b) Chloroplast   (c) Chromoplast. Answer: If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out. Chromoplast—Consists of coloured pigments and gives different colours to flowers, fruits and leaves. Answer: Robert Hooke discovered cells in 1665 while examining a thin slice of cork through a self-designed microscope. What is the function of ribosome? Which part of bacterial cell performs this? Answer: DNA —> Deoxyribo Nucleic Acid. What an app just outstanding, stunning and excellent. So, cell will shrink. Name the smallest cell and the longest cell in human body. (iii) It helps in manufacture of hormones. CL provides CBSE Biology prep material for class 9 students. With the help of enzymes from RER, Golgi bodies also form…. The function of smooth endoplasmic reticulum is to detoxify the poison and drugs present in our body. Mitosis produces two identical cells, while meiosis produces ……… unidentical cells. a. It consists of ribosomal RNA (Ribonucleic acid) and proteins. Required fields are marked *. Question 20. (a) How can one separate the rotten eggs from the good ones using water? This process is known as endocytosis. 37. As a result cell will shrink. Answer: Prokaryotic cell is generally smaller in size (1-10 pm), nuclear region is poorly defined, the cell organelles are not membrane-bound and has a single chromosome. Leucoplast is a storing organelle for. a. Plasmolysis b. Karyokinesis c. Meiosis. Plasma membrane is made up of which two components? In plant cells, many substances important for life are stored in, Vacoules store excess food of cell, when it is emergency they release them and in plant cells the vacoules are larger in size(compared to animal cells) because plants can not move. Genetic material inside a cell is confined to …, 12. Which of the cell organelles consists of chloroplast? (c) Anu showed the value of aware citizen and a good learner who clarifies the doubts. Answer: Genes are located in the chromosomes in the nucleus of the cell. (i) A – Golgi body (ii) B – Mitochondria The Fundamental Unit of Life MCQ – Objective Questions with answers . The function of the vacuole in plants is…. These are amino acids, sugars, various organic acids and some proteins. Class 9 Science NCERT Textbook – Page 61 The test consists 30 questions. Answer: In the liver of animal cells smooth endoplasmic reticulum helps in detoxifying many poisons and drugs. What mechanisms are involved in absorption of digested food and water? Answer 1 (c) Question 2. Organelle other than nucleus, containing DNA is, Lipid molecules in the cell are sythesized by, Cell arises from pre-existing cell was stated by, The only cell organelle seen in prokaryotic cell is. Question 25. Questions From NCERT Textbook for Class 9 Science. Question 19. Where are proteins synthesised inside the cell? Class 9 Cell – Basic Unit of life MCQs. Which of these is not related to endoplasmic reticulum? cell  are not membrane-bound. (b) Cytoplasm: It is transparent jelly-like thick substance present in the cell. In some unicellular organisms, e.g. Endoplasmic reticulum one of the cell organelles, exists as a membranous network that extends … Examples of double-membraned organelles are…, a. Nucleus b. Mitochondria c. Plastid d. All, 13. Outer membrane b. For osmosis to occur one of the concentration should be higher than the other. Answer: Robert Hooke observed that cork consists of box like compartments which formed a honeycomb structure. Carry out the following osmosis experiment: (c) prokaryotic cells (d) eukaryotic cells

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