🧬 Biochemistry Solved MCQs with Answers

Practice 1490 approved 🧬 Biochemistry questions with verified answers from the 🧬 Medical Science subject for Pakistan exams.

1490 solved MCQs

Friendly bacteria live in our large intestines. Identify the vitamin they make for us?Answer: Vitamin K The breakdown of proteins produced which of the following waste product?Answer: Urea The organic molecules which are not permanently attached to enzyme and mostly derived from vitamins are:Answer: Co-enzymes Messenger RNA (mRNA) and __________ are formed in the nucleus.Answer: Ribosomal Units The presence of which one in the air can cause stone cancer?Answer: SO2 Biofortified Golden rice is produced to be grown and used in areas with a shortage of Dietary vitamin _____?Answer: Vitamin A Which one of the following statements is not true regarding Gram seed?Answer: Embryo is present at one side of the seed. DNA is synthesized by enzyme known asAnswer: DNA polymerase Sunlight is a good source of vitamin ____?Answer: D Which part of the brain is oblongata responsible for temperature regulation?Answer: Hypothalamus Renal Tubules consists of _____?Answer: All of these Which of the following is a sac like structure which stores waste material for some time before its removal from the cell?Answer: Vacuole Powerhouse of living cell is called?Answer: Mitochondria Which of the following is not an edible variety of mushroom?Answer: Amanita phalloides Kidney stone is caused due to ______?Answer: Calcium oxalate Cooking gas is also called?Answer: LPG All are present in DNA except?Answer: Uracil Hemisphere is warmer according to?Answer: Northern to Southern The maximum number of electrons in the third orbit are _____?Answer: 18 In the water treatment plant different materials are used as filters. The most common been used is/are _____?Answer: Sand and gravel The removal of suspended particles from the water take place by the process of _____?Answer: Sedimentation Which one of the following salt(s) is used as a food preservatives?Answer: Sodium benzoate In which of the following disaccharides both the basic structural units are the same?Answer: Maltose Barium (Z = 56) has two electrons in the p-shell (valance shell). What are the maximum number of electrons in the penultimate shell i.e O-shell?Answer: 18 What is the number of sulphur atoms in 64 g of S8?Answer: 12.0 x 10²³ Which one is more acidic? Milk, Bread, Egg, None of theseAnswer: Milk [Cu(en)2]^+². The coordination number of the given complex is?Answer: 4 Which one of the following is a chemical link between catabolism and anabolism?Answer: ATP Bilirubin is a yellow compound that occurs in the normal catabolic pathway. It is _______?Answer: Breakdown of Red blood cells Which vitamin is provided by sunlight to the human body?Answer: Vitamin D