🧬 Biochemistry Solved MCQs with Answers

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

1490 solved MCQs

When ethyl alcohol is produced by fermentation process, the gas which is escapes in the form of bubbles is ______?Answer: Carbon dioxide Fehling's test and Tollen's test are used for the identification of ______?Answer: Aldehydes If the sequence of bases in DNA is TAGC, then the sequence of bases in RNA will be?Answer: AUCG Elements having zero nuclear spin cannot be directly determined at?Answer: NMR spectroscopy The complexometric titration of the chemical specie cannot be done by using EDTA as titrant?Answer: Xe In_____, diffusion current is measured as a function of scanning potential difference.Answer: Voltammetry The cause of short-term or acute vitamin A poisoning is due to?Answer: Eating the liver of Polar bear On oxidation of 1 molecule of glucose,_____ATP is produced through aerobic respiration.Answer: 38 Which of the following is the most essential nutrient for a woman during her initial stages of pregnancy to prevent birth defects?Answer: Folic acid Excessive bleeding is caused by the deficiency of vitamin :Answer: K The energy value of food is measured in :Answer: Calories Diabetes could be classified into___ typesAnswer: Three Which of the following is a fat soluble vitamin?Answer: A The disease caused by Dog bite is:Answer: Rabies Which among the following acts as resistance/fight against disease and infection in the body?Answer: White Corpuscles (White Blood Cells) Riboflavin is an example of ______?Answer: Vitamin B2 Which of the following vitamin regulates blood calcium?Answer: Vitamin D This type of fermentation occurs in our skeletal muscles, during exercise and other hard jobs?Answer: Lactic acid fermentation The macronutrient which regulate opening and closing of stomata and reduce water loss from the leaves?Answer: Potassium The name of the common mineral salt present in sweat is ?Answer: Sodium Chloride Which triple in DNA codes for valineAnswer: None Deficiency of which one of the following vitamins may result in the inflammation and irritation of the corner of the mouth and cracks in lips?Answer: Vitamin B2 Enzymes are organic catalysts. They are mainly ____________ in nature.Answer: Proteins Lenz's law is an example of the principal of conservation of:Answer: Energy How many moles of carbon dioxide (CO₂) are there in 3.01 x 10^22 molecule of carbon dioxide (CO₂)Answer: 0.05 Mole Mass number of an atom shows _____?Answer: Number of proton and neutron Which among the following keep changing for a body in uniform circular motion? 1. Speed 2. Amplitude 3. Velocity 4. Acceleration Choose the correct option from the codes given below:Answer: 3&4 Boyle, law provide relation between :Answer: Volume and pressure at constant temperature Sodium bicarbonate is used for :Answer: Baking cake Scientific name of vitamin A isAnswer: Retinol