MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the full form of DNA? |
| A. | Diribo nucleic acid |
| B. | Di nucleic acid |
| C. | Dual nitrogen acid |
| D. | Deoxyribonucleic acid |
| Answer» E. | |
| 2. |
What is the basis of first level of classification among plants? |
| A. | Differentiated plant body |
| B. | Specialised tissues |
| C. | Ability to bear seeds |
| D. | No option is correct |
| Answer» B. Specialised tissues | |
| 3. |
What is the first thing that alcohol effects? |
| A. | Judgement |
| B. | Speech |
| C. | Vision |
| D. | Balance |
| Answer» B. Speech | |
| 4. |
What is the correct order for Respiration? |
| A. | Election transport chain – Krebs’ cycle – glycolysis |
| B. | Glycolysis – Krebs’ cycle – electron transport chain |
| C. | Glycolysis – electron transport chain – Krebs’ cycle |
| D. | The Krebs’ cycle - electron transport chain - glycolysis |
| Answer» C. Glycolysis – electron transport chain – Krebs’ cycle | |
| 5. |
What is the average Life span of RBC? |
| A. | 120 days |
| B. | 99 days |
| C. | 101 days |
| D. | 111 days |
| Answer» B. 99 days | |
| 6. |
What is scientific name of "Cotton" Â ? |
| A. | Azadhirachta Indica |
| B. | Phaseolies auicus |
| C. | Gossypium Herbaceum |
| D. | Ficus Benghalensis |
| Answer» D. Ficus Benghalensis | |
| 7. |
What is regulated by the sphincter muscle in the stomach? |
| A. | Exit of the food from the stomach_x005F_x000D_ |
| B. | Entry of food in the stomach_x005F_x000D_ |
| C. | Mixing of food in the stomach_x005F_x000D_ |
| D. | Exit of food from the large intestine |
| Answer» B. Entry of food in the stomach_x005F_x000D_ | |
| 8. |
What is plant cell wall mainly composed of? |
| A. | Lipids |
| B. | Vitamin |
| C. | Cellulose |
| D. | Protein |
| Answer» B. Vitamin | |
| 9. |
What is most common treatment for bacterial infections in humans? |
| A. | Aspirin |
| B. | Antibodies |
| C. | Antibiotics |
| D. | Antigen |
| Answer» D. Antigen | |
| 10. |
What is full form of BOD? |
| A. | Biological Oxygen Deficit |
| B. | Biological Oxygen Difference |
| C. | Biological Oxygen Demand |
| D. | Biological Oxygen Distribution |
| Answer» D. Biological Oxygen Distribution | |
| 11. |
What is commonly known as 'white plague'? |
| A. | Typhoid |
| B. | Malaria |
| C. | Tuberculosis |
| D. | Plague |
| Answer» D. Plague | |
| 12. |
What is a tissue? |
| A. | Cells which are similar in origin, but dissimilar in form and function |
| B. | Cells which are dissimilar in origin, but are similar in form and function |
| C. | Cells which are dissimilar in origin, form and function |
| D. | Cells which are similar in origin, form and function |
| Answer» E. | |
| 13. |
What is a direct result of aerobic respiration? |
| A. | The enzymes for anaerobic respiration are produced and stored in lysosomes |
| B. | Alcohol is produced by yeast and bacteria |
| C. | The potential energy of glucose is transferred to ATP molecules |
| D. | Lactic acid is produced in muscle tissue |
| Answer» D. Lactic acid is produced in muscle tissue | |
| 14. |
What holds the sides of the DNAÂ ladder together? |
| A. | Polar covalent bonds |
| B. | Ionic bonds |
| C. | Metallic bonds |
| D. | Covalent bonds |
| Answer» E. | |
| 15. |
What happens during the S-phase of the cell cycle? |
| A. | cell division |
| B. | cell growth |
| C. | DNA replication |
| D. | protein and enzyme synthesis |
| Answer» D. protein and enzyme synthesis | |
| 16. |
What genes are mutated to cause cancer? |
| A. | TNF |
| B. | TP53 |
| C. | TGFBI |
| D. | MTHFR |
| Answer» C. TGFBI | |
| 17. |
What happens at the synapse between two neurons? |
| A. | electrical signals are converted into chemical |
| B. | chemical signals are converted into physical |
| C. | physical signals are converted into chemical |
| D. | None of the above |
| Answer» B. chemical signals are converted into physical | |
| 18. |
What happens during the process of translation? |
| A. | Transfer RNA is made from messenger RNA |
| B. | Copies of DNA molecules are made |
| C. | The cell uses information from messenger RNA to produce proteins |
| D. | Messenger RNA is made from DNA |
| Answer» D. Messenger RNA is made from DNA | |
| 19. |
What does Trypsin do? |
| A. | Breaks down Carbohydrates |
| B. | Synthesizes proteins |
| C. | Breaks down fats |
| D. | Breaks down proteins |
| Answer» E. | |
| 20. |
What does the central nervous system consists of? |
| A. | Brain |
| B. | Spinal cord |
| C. | Nerves |
| D. | All the above |
| Answer» E. | |
| 21. |
What do genes code for? |
| A. | Ptoteins |
| B. | DNA |
| C. | RNA |
| D. | None |
| Answer» B. DNA | |
| 22. |
What contributes to antigenic shift in influenza viruses? |
| A. | a segmented genome |
| B. | different virus subtypes |
| C. | Both A & B |
| D. | ease of virus transmission |
| Answer» B. different virus subtypes | |
| 23. |
What compound directly provides energy for cellular work? |
| A. | ATP |
| B. | ADP |
| C. | NADP |
| D. | NADH |
| Answer» B. ADP | |
| 24. |
What color is Lobster blood? |
| A. | Blue |
| B. | White |
| C. | Red |
| D. | Colourless |
| Answer» B. White | |
| 25. |
What cells line the ventricles of the brain? |
| A. | Schwann's cells |
| B. | Ependymal cells |
| C. | Nerve cells |
| D. | Neuroglia |
| Answer» C. Nerve cells | |
| 26. |
What carries Blood back to the Heart? |
| A. | Veins |
| B. | Arteries |
| C. | Both A & B |
| D. | None |
| Answer» B. Arteries | |
| 27. |
What carries Blood away from the Heart? |
| A. | Arteries |
| B. | Veins |
| C. | Both A & B |
| D. | None |
| Answer» B. Veins | |
| 28. |
What base is found in RNA but not in DNA? |
| A. | Uracil |
| B. | Cytosine |
| C. | Adenine |
| D. | Guanine |
| Answer» B. Cytosine | |
| 29. |
What base is found on RNA but not on DNA? |
| A. | Uracil |
| B. | Thymine |
| C. | Adenine |
| D. | None of the above |
| Answer» B. Thymine | |
| 30. |
What base does guanine pair with? |
| A. | Adenine |
| B. | Thymine |
| C. | Uracil |
| D. | Cytosine |
| Answer» E. | |
| 31. |
What are the rungs of the DNA ladder made of? |
| A. | phosphates and sugars |
| B. | nitrates and sugars |
| C. | nitrates and phosphates |
| D. | sugars and hydrates |
| Answer» D. sugars and hydrates | |
| 32. |
What are the receptors for detecting taste called? |
| A. | Sensory receptors |
| B. | Chemical receptors |
| C. | Olfactory receptors |
| D. | Gustatory receptors |
| Answer» E. | |
| 33. |
What are the products formed during photosynthesis?_x005F_x000D_ |
| A. | Glucose, Water and Oxygen |
| B. | Glucose and Oxygen |
| C. | Starch and Oxygen |
| D. | Starch, Water and Oxygen |
| Answer» B. Glucose and Oxygen | |
| 34. |
What are the organs similar in basic structure/shape, modified to perform different functions called? |
| A. | Analogous organs |
| B. | Homologous organs |
| C. | Heterogeneous organs |
| D. | Homogenous organs |
| Answer» C. Heterogeneous organs | |
| 35. |
What are the building blocks of Nucleic Acids? |
| A. | Pentose Sugar |
| B. | DNA |
| C. | RNA |
| D. | Nucleotides |
| Answer» E. | |
| 36. |
Webbed neck is a characteristic of |
| A. | Down's syndrome |
| B. | Turner's syndrome |
| C. | Klinefelter's syndrome |
| D. | Cri-du-chat syndrome |
| Answer» C. Klinefelter's syndrome | |
| 37. |
Voluntary muscles are contained in the ........._x005F_x000D_ Â _x005F_x000D_ |
| A. | heart |
| B. | hind limb |
| C. | liver |
| D. | lung |
| Answer» C. liver | |
| 38. |
Vocal chords in women are _______________ than vocal chords in men. |
| A. | 5mm shorter |
| B. | 15mm shorter |
| C. | 5mm longer |
| D. | 15mm longer |
| Answer» B. 15mm shorter | |
| 39. |
Water pollution of a river is measured by_______ |
| A. | Amount of chlorine dissolve in water |
| B. | Amount of Ozone dissolve in water |
| C. | Amount of nitrogen dissolve in water |
| D. | Amount of oxygen dissolve in water |
| Answer» E. | |
| 40. |
Vitamins are |
| A. | Macro Nutrients |
| B. | Micro nutrients |
| C. | Essential Amino acids |
| D. | Non essential Amino acids |
| Answer» C. Essential Amino acids | |
| 41. |
Visceral pain usually starts in which of the following? |
| A. | Kidneys |
| B. | Abdomen |
| C. | Rectum |
| D. | Esophagus |
| Answer» C. Rectum | |
| 42. |
Vitamin A is also known as _____. |
| A. | Thiamine |
| B. | Riboflavin |
| C. | Retinol |
| D. | Calciferol |
| Answer» D. Calciferol | |
| 43. |
Vitamin present in guava fruits |
| A. | Vitamin - A |
| B. | Vitamin - B |
| C. | Vitamin - C |
| D. | Vitamin - D |
| Answer» D. Vitamin - D | |
| 44. |
Visceral muscle is another name for |
| A. | Cardiac muscle |
| B. | Smooth muscle |
| C. | Skeletal muscle |
| D. | None of the above |
| Answer» C. Skeletal muscle | |
| 45. |
Visceral fat is stored chiefly ____ |
| A. | within subcutaneous adipocytes |
| B. | around the thighs and neck |
| C. | around the abdominal organs |
| D. | within the liver and spleen |
| Answer» D. within the liver and spleen | |
| 46. |
Variation in human skin color is an example of |
| A. | Heredity |
| B. | Polygenic traits |
| C. | Multiple alleles |
| D. | Incomplete dominance |
| Answer» C. Multiple alleles | |
| 47. |
Vessels are the major water conducting cells in:_x005F_x000D_ |
| A. | Fungi |
| B. | Angiosperms |
| C. | Bryophyta |
| D. | Thallophyta |
| Answer» C. Bryophyta | |
| 48. |
Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in |
| A. | Recombinant DNA technology |
| B. | Monoclonal antibody production |
| C. | Stemcell culture |
| D. | DNA fingerprinting |
| Answer» E. | |
| 49. |
Veins seen in the leaves, serve the function of |
| A. | Transpiration |
| B. | Photosynthesis |
| C. | Storage |
| D. | Conduction |
| Answer» B. Photosynthesis | |
| 50. |
Vaccination against which disease was conducted recently as a National Vaccination Day?_x005F_x000D_ Â _x005F_x000D_ |
| A. | Polio |
| B. | Cholera |
| C. | Malaria |
| D. | Tuberculosis |
| Answer» B. Cholera | |