🧬 Biochemistry Solved MCQs with Answers

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

1490 solved MCQs

Carrot is a good source of which?Answer: Vitamin A During photorespiration an acid glycolate is formed which is converted into glycine by ______?Answer: Peroxisome Which statement about enzymes is essential to the lock & key hypothesis?Answer: Enzyme molecules each have distinct slope Examples of reverse transcribing diploid single-stranded RNA viruses are ____?Answer: HIV Cyclic phosphorylation is stimulated by ______?Answer: High level of NADPH All of the following nucleotides are present in RNA molecule except?Answer: Thymine Helium is the second most abundant element in the universe. It is a member of which family?Answer: Noble In competitive inhibition, the inhibitorAnswer: Competes with substrate What is the chemical formula of copper oxide?Answer: CuO Which of the following enzymes directly regulates blood sugar levels?Answer: Glucokinase Plasma protein synthesis primarily occurs in which organ?Answer: Liver Which of the following is the normal type of hemoglobin in adults?Answer: HbA Chromosome is typically made up from a combination of?Answer: DNA and protein Rich sources of Iodine are ______?Answer: Green leafy vegetables The vitamin that controls the browning in fruits with the help of enzymes is _____?Answer: Vitamin C The genetic makeup that your parents have transferred to you for your hair color, makes up your:Answer: Genotype The genetic code of _____ is bound by a lipid membrane?Answer: Flu virus Enzymatic activity can be inhibited by?Answer: Heavy metal ions The process of ATP synthesis through a combination of electrochemical and osmotic events is known as:Answer: Oxidative phosphorylation What is the ester of fatty acids and long chain alcohol called?Answer: Wax Optimum pH for pancreatic lipase is:Answer: 8 Induced fit model of enzyme activity suggests that an enzyme ______?Answer: Can catalyze related reaction The nucleus takes dyes due to the presence of ______?Answer: Chromatin Insulin converts glucose into ______?Answer: Lipids Which of the following statement is incorrect regarding rate of enzymatic action?Answer: Increase in enzyme concentration reduces the rate آنکھوں کی بیماری کس وٹامن کی کمی سے ہوتی ہے؟Answer: وٹامن اے DNA of mitochondria is _________?Answer: Circular Energy is ________ by the breakdown of complex molecules into simple ones, such reactions are called catabolic reactions.Answer: Released Deficiency of vitamin __________ is associated with night blindness and skin keratinizationAnswer: A Citrus and tomatoes are rich in vitamin __________Answer: C