@mbbs___dreamer1: 60. Which among the following sentence is not correct about the organelles? A. They are found in all eukaryotic cells B. They are only found in multicellular organisms C. They coordinate to produce the cell D. They are small sized and mostly internal 61. Which of these is referred to as milk sugar? A. Galactose B. Fructose C. Maltose D. Lactose 62. What part of the cell serves as an intracellular highway? A. ER B. Golgi apparatus C. Cell membrane D. Mitochondria 63. They yield polyhydroxy aldehydes and ketones on hydrolysis: A. Proteins B. Lipids C. Carbohydrates D. Both A and C 64. A chromosome in which a centromere stays at one end is called? A. Metacentric B. Telocentric C. Acrocentric D. All of these 65. For the formation of triglyceride, number of fatty acids required are: A. 1 B. 2 C. 3 D. 4 66. How many nuclear pores are present in typical differentiated cells such as RBCs? A. About 3000 per nucleus B. About 30,000 per nucleus C. About 1–2 per nucleus D. About 3–4 per nucleus 67. Which of the following is an unsaturated fatty acid? A. Butyric acid B. Acetic acid C. Palmitic acid D. Oleic acid 68. A chemical substance blocks the mitochondrial electron transport chain. Which effect is most likely to occur in the cell? A. ATP formation will increase B. ATP formation will decrease C. Protein synthesis will increase D. Protein breakdown will decrease 69. In sickle cell haemoglobin only one glutamic acid of normal haemoglobin is replaced by: A. Valine B. Alanine C. Arginine D. Methionine 70. Which of the following is a typical feature of eukaryotic cells? A. Presence of cell wall in all cells B. Absence of membrane-bound organelles C. DNA is always circular D. Presence of a well-defined nucleus 71. Following don’t contain fatty acids: A. Phospholipids B. Waxes C. Steroids D. Acylglycerols 72. Compared with prokaryotic cells, eukaryotic cells generally have: A. Fewer types of organelles B. A smaller number of organelles C. A smaller total amount of DNA D. A lower percentage of DNA in the cell 73. Grapes contain _____ % glucose. A. 11 B. 13 C. 17 D. 27 74. Most polysaccharides are composed of chains of condensed: A. Cellulose units B. Pentose units C. Hexose units D. Heptose units 75. Number of nucleoli may be: A. Many per nucleus B. One per nucleus C. One or more per nucleus D. Zero per nucleus 76. Molecule formed from two different molecules belonging to different categories: A. Homogenous molecules B. Heterogenous molecules C. Conjugated molecules D. Coagulated molecules 77. Choose the correct answer: A. Bacterial cell has 70S ribosomes whereas a plant cell has 80S ribosomes B. Bacterial cell divides by binary fission whereas a plant cell divides by mitosis C. Bacterial cells do not have a nuclear membrane whereas plant cells do D. All are correct 78. Give the percentage of proteins in mammalian ion cell: A. 3 B. 4 C. 15 D. 18 79. Which part of the chromosome holds the two chromatids together? A. Centrosome B. Centriole C. Centromere D. Kinetochore 80. In a double-stranded DNA molecule, if guanine makes up 20% of the bases, what is the percentage of thymine? A. 20% B. 30% C. 40% D. 60% 81. A phosphatidic acid upon combining with a choline gives rise to: A. Phosphatidic acid B. Phosphatidylcholine C. Phospholipids D. Phosphatidylserine 82. What is chromatin? A. Uncoiled DNA in cytoplasm B. DNA-protein complex in nucleus C. Protein only D. Only RNA 83. A pairs with T using: A. 3 hydrogen bonds B. 4 hydrogen bonds C. 2 hydrogen bonds D. 1 hydrogen bond Add me on snap for mdcat guidance Sc:msalmankhanutk #mbbs___dreamer #mbbs___dreamer1 #mdcat #bravehairoil #fyp
