Download Biochemistry Multiple Choice Questions (MCQs) for University and High School Students and more Exercises Medical Biochemistry in PDF only on Docsity!
- Which of following is common compound shared by TCA cycle and Urea Cycle. a. α – Ketoglutarate b. Succinyl COA c. Oxaloacetate d. Fumarate
- There are about ________ types of specialized cells in Human body.
a. 250 b. 350 c. 450 d. 550
- A eukaryotic cell is generally 10 to _________ um in diameter.
a. 400 b. 300 c. 200 d. 100
- Sub-cellular organelles are _________ in prokaryotic cell.
a. present b. absent c. both a & b d. none
- _________ is the largest cellular organelle in cell.
a. Golgi apparatus b. Lysosomes c. Nucleus d. Mitochondria
- __________ is the major site for purine nucleotide synthesis.
a. Brain b. Liver C. adipose Tissue d. Kidney
- Nucleus contains ___________ the repository of genetic information.
a. Ribosome b. DNA c. Cytosol d. Vacuole
- The cellular matrix is collectively referred to as _________.
a. Ribosome b. DNA c. Cytosol d. Vacuole
- _________ is the programmed cell death or cell suicide.
a. Apoptosis b. Autotosis c. Destrosis d. None
- Carbohydrates are precursors for many ____ compound
a. Organic b. Inorganic c. both a & b d. none
- Monosaccharides is based on which of the following functional group
a. Phenol b. Alcohol c. Ketoses d. None
- The carbohydratet hat is taken as a reference for writing the configuration of others a. Dihydroxyacetone b.Glyceraldehyde c. D-Erythrose d. D-Xylose
- lf two monosaccharide differ in configuration around a single carbon
atom, they are known as a. Diclomers b. Bimers c. Epimers d. None
- The non-carbohydrate moiety found in glycosides is known as
a. Aglycone b. Agnine c. both a & b d. None
- Citrate Synthase is inhibited by ___________.
a. ATP b. Acetyl CoA c. ADH d. Both a & b
- Kreb Cycle is ___________ in nature.
a. Anabolic b. Catabolic c. Amphibolic d. None
- TCA cycle is actively involved in___________.
a. Gluconeogenesis b. Phosphorylation c. Both a & b d. None
- One of the following enzymes in glycolysis catalyzes an irreversible action.
a. Hexokinase b. Phosphofructokinase c. Pyruvate kinase d. All of them
- The most abundant monosaccharide in nature is
a. Lactose b. Glucose c. Maltose d. Sucrose
- Which of the following is a polysaccharide
a. Glucose b. Glycogen c. Amylose d. Lactose
- The highest concentration of cystine can be found in
a. Melanin b. Keratin c. Myosin d. Collagen
- The formation of cysteine occurs at
a. ER b. Golgi apparatus c. Cytosol d. Mitochondria
- Natural Lipids are readily soluble in
a. Oil b. Mercury c. Water d. None of these
- The synthesis of glucose from fat is called
a. Glycolysis b. Krebs cycle c. Saponification d. Gluconeogenesis
- High content of triglyceride is seen in
a. HDL b. LDL c. VLDL d. Chylomicrons
- The no. of double bond in Arachidonic acid
a. 1 b. 2 c. 3 d. 4
- Two Monosaccharide’s are joined by
a. Peptide bond b. Phosphodiester bond c. Glycosidic bond d. Hydrogen bond
- Monosaccharides are
a. Aldoses b. Ketoses c. Both a & b d. none of these
- The most common monomer of carbohydrate is
a. Nucleotide b. Glucose c. Amino acids d. Maltose
- The element found in all amino acids that is not found in carbohydrates is
a. Sulphur b. Carbon c. Oxygen d. Nitrogen
- The following substance is ketogenic
a. Fatty Acids b. Leucine c. Lysine d. all of them
- Hormone sensitive lipase activity is inhibited by the hormone
a. Epinephrine b. Insulin c. Thyroxine d. Glucocorticoids
- Hypercholesterolemia is observed in the disorder
a. Hypothyroidism c. Diabetes mellitus c. Nephrotic Sydrome d. All of them
- Cellular respiration is an example of
a. Endergonic Reaction b. Oxidation Reaction c. Exergonic Reaction d. None of these
- Nucleoside is a pyrimidine or purine base which _____________.
a. covalently bonded to sugar b. Ionically bonded to sugar c. Hydrogen bonded to sugar d. None of these
- A compound which found in all living cells and play key role in energy
transformation is a. ADP b. ATP c. Chlorophyll d. Granum
c. D – α Amino Acid d. D - β Amino Acid
- The SI unit of potential energy is __________.
a. Pascal b. Dyne c. Joule d. pound
- Which pyrimidine base contains an amino group at fourth carbon?
a. Cytosine b. Thymine c. Uracil d. Adenine
- The normal concentration of uric acid in the serum of adults is within the range of a. 3 – 7 mg/dL b. 2 – mg/dL c. 7 – 8 mg /dL d. 5 – 9 mg/dL
- In photosynthesis Co 2 , light, water act as
a. Reactant b. Product c. By product d. Catalyst
- Cytochrome oxidases are example of
a. Oxygenase b. Dehydrogenase c. Oxidases d. Oxidoreductase
- Blood urea decreases in all of the following conditions except than
a. Liver cirrhosis b. Pregnancy c. Renal Failure d. Angina Pectoris
- Following is onset mist toxic compound
a. Tyrosine b. Phenyl pyruvate c. Lysine d. Phenylalanine
- Helicase are dependent on ___________ for energy.
a. ATP b. Glucose c. GTP d. FADH
- _____________ used to dissolve blood clots in circulation.
a. Penicillin b. Streptokinase c. Phosphokinase d. None
- During RNA Replication hydrogen bond is breaked by
a. DNA ligase b. DNA helicase c. DNA gyrase d. DNA polymerase
- Which one is the largest particulate of the cytoplasm?
a. Lysosomes b. Golgi apparatus c. Mitochondria d. Endoplasmic reticulum
