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. |
Molecular clocks are based on the idea that _____. |
| A. | On average neutral mutations arise at a constant rate |
| B. | Directional selection occurs at a constant rate |
| C. | Mutations occur once every generation |
| D. | Molecules resonate at a certain frequency that can be measured |
| Answer» D. Molecules resonate at a certain frequency that can be measured | |
| 2. |
Mitochondrial DNA analysis is best suited for |
| A. | analysis in which only a minute quantity of DNA material is available |
| B. | Forensic science analysis |
| C. | analysis requiring greater discriminatory power than STR |
| D. | All of the above |
| Answer» C. analysis requiring greater discriminatory power than STR | |
| 3. |
Mesothelioma is a type of cancer. The most common area affected in it is the lining of the ________. |
| A. | heart |
| B. | brain |
| C. | stomach |
| D. | lungs |
| Answer» E. | |
| 4. |
Metastasis is the process by which _________ |
| A. | Cell divide rapidly under the influence of drugs |
| B. | Cancer cell spread through the blood or lymphatic system to other site or organs |
| C. | The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles |
| D. | Cancer cells are successfully inhibited to divide any further |
| Answer» C. The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles | |
| 5. |
Menstruation is triggered by a drop in the levels of |
| A. | progesterone |
| B. | relaxin |
| C. | FSH |
| D. | LH |
| Answer» B. relaxin | |
| 6. |
Membrane bound organelles are not found in the cells of |
| A. | Eukaryotes |
| B. | Prokaryotes |
| C. | Both A & B |
| D. | Nokaryotes |
| Answer» C. Both A & B | |
| 7. |
Melvin calvin got Noble Prize for his studies on |
| A. | Light reaction |
| B. | Plant hormones |
| C. | Carbon fixation |
| D. | Photons |
| Answer» D. Photons | |
| 8. |
Meiosis starts with a single diploid cell and produces 4 haploid cells. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» B. | |
| 9. |
Meiosis ii is similar to mitosis in that |
| A. | the daughter cells are diploid |
| B. | sister chromatids separate during anaphase |
| C. | DNA replicates before the division |
| D. | All of the above |
| Answer» D. All of the above | |
| 10. |
Meibomian glands are located in |
| A. | Eye |
| B. | Ear |
| C. | Nose |
| D. | Skin |
| Answer» B. Ear | |
| 11. |
Maximum fixation of solar energy is done by |
| A. | Fungi |
| B. | Protozoa |
| C. | Bacteria |
| D. | Green plants |
| Answer» E. | |
| 12. |
Medulla oblongata is a part of which of the following? |
| A. | Heart |
| B. | Brain |
| C. | Lungs |
| D. | Stomach |
| Answer» C. Lungs | |
| 13. |
Match the following._x005F_x000D_ Digestive Input          Output_x005F_x000D_ I. Proteins              1. GlycerolII. Carbohydrates         2. AminoacidsIII. Fats                3. Glucose_x005F_x000D_ |
| A. | I-2, II-3, III-1 |
| B. | I-1, II-3, III-2 |
| C. | I-2, II-1, III-3 |
| D. | I-3, II-2, III-1 |
| Answer» B. I-1, II-3, III-2 | |
| 14. |
Match the following._x005F_x000D_ Â _x005F_x000D_ _x005F_x000D_ |
| A. | I – 2, II – 3, III – 1_x005F_x000D_ |
| B. | I – 1, II – 3, III – 2_x005F_x000D_ |
| C. | I – 2, II – 1, III – 3_x005F_x000D_ |
| D. | I – 3, II – 2, III – 1 |
| Answer» E. | |
| 15. |
Match the following._x005F_x000D_ _x005F_x000D_ |
| A. | I – 2, II – 3, III – 1 |
| B. | I – 1, II – 3, III – 2 |
| C. | I – 3, II – 1, III – 2 |
| D. | I – 3, II – 2, III – 1 |
| Answer» D. I – 3, II – 2, III – 1 | |
| 16. |
Mangroves are plants that have |
| A. | Modified Roots |
| B. | Modified Stems |
| C. | Respiratory Roots |
| D. | Respiratory Stems |
| Answer» D. Respiratory Stems | |
| 17. |
Marasmus usually is associated with a deficiency of |
| A. | Vitamins |
| B. | Calories |
| C. | Proteins |
| D. | Fats |
| Answer» C. Proteins | |
| 18. |
Man has...............pairs of salivary glands |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 8 |
| Answer» D. 8 | |
| 19. |
Man has _____ pairs of salivary glands |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 20. |
Majority of the fungal bionts of lichens belong to |
| A. | Baridiomycetes |
| B. | Ascomycetes |
| C. | Gomycetes |
| D. | Deuteromycetes |
| Answer» C. Gomycetes | |
| 21. |
Major fructose sources include |
| A. | Fruit juices |
| B. | Corn syrup |
| C. | Honey |
| D. | All of the above |
| Answer» E. | |
| 22. |
Lysosome is formed from which of the following cell organelles? |
| A. | Nucleus |
| B. | Endoplasmic reticulum |
| C. | Golgi bodies |
| D. | Ribosomes |
| Answer» D. Ribosomes | |
| 23. |
Main function of white blood corpuscles is _______ |
| A. | Transport of carbon dioxide |
| B. | Transport of oxygen |
| C. | To produce immune system of body |
| D. | None of these |
| Answer» D. None of these | |
| 24. |
Lysogeny can result in all of the following except |
| A. | Acquisition of new characteristics by the host cell |
| B. | Transduction of specific genes |
| C. | Immunity to reinfection by the same phage. |
| D. | Immunity to reinfection by any phage |
| Answer» E. | |
| 25. |
Lysergic acid diethylamide (LSD) is a drug used as a |
| A. | Sedative |
| B. | Hallucinogen |
| C. | Steroid |
| D. | Analgesic |
| Answer» C. Steroid | |
| 26. |
Lymph carries digested and absorbed fat from ______. |
| A. | lungs |
| B. | intestine |
| C. | stomach |
| D. | kidney |
| Answer» C. stomach | |
| 27. |
Lungs are the primary organs of _________. |
| A. | Digestion |
| B. | Constipation |
| C. | Perspiration |
| D. | Respiration |
| Answer» E. | |
| 28. |
Locust, Butterfly, Scorpion and Prawn are all examples of which Phylum? |
| A. | Annelida |
| B. | Chordata |
| C. | Arthropoda |
| D. | Platyhelminthes |
| Answer» D. Platyhelminthes | |
| 29. |
Localized area of pus formation in the lungs? |
| A. | Pleural effusion |
| B. | Pulmonary abscess |
| C. | Pleurisy |
| D. | Pulmonary edema |
| Answer» C. Pleurisy | |
| 30. |
Localized area of pus formation in the lungs is |
| A. | Pulmonary embolism |
| B. | Pulmonary abscess |
| C. | Pleurisy |
| D. | Pulmonary edema |
| Answer» C. Pleurisy | |
| 31. |
Lipids that are solid at room temperature are known as |
| A. | Oils |
| B. | Steroids |
| C. | Fats |
| D. | Triglyceroids |
| Answer» D. Triglyceroids | |
| 32. |
Lichen is an association between which of the two ? |
| A. | Algae and fungus |
| B. | Algae and tree |
| C. | Fungus and tree |
| D. | Bacteria and legume plant |
| Answer» B. Algae and tree | |
| 33. |
Lobar Pneumonia refers to a lung infection in which it affects |
| A. | large part of the lobe or lung |
| B. | small segment of the lung |
| C. | both lungs |
| D. | None of the above |
| Answer» B. small segment of the lung | |
| 34. |
Limbs of frog, lizard, bird and human are example of ______ organs. |
| A. | Homogenous |
| B. | Heterogeneous |
| C. | Analogous |
| D. | Homologous |
| Answer» E. | |
| 35. |
Light compensation zone refers to |
| A. | where light is available in plenty |
| B. | where light is maximum |
| C. | beyond which light does not penetrate |
| D. | where all light is used |
| Answer» D. where all light is used | |
| 36. |
Leukorrhea may be associated with |
| A. | Cervicitis |
| B. | Ovarian Cysts |
| C. | Eclampsia |
| D. | Menorrhagia |
| Answer» B. Ovarian Cysts | |
| 37. |
Lathyrism is caused by excess consumption of....... |
| A. | Khesari Dal |
| B. | Mustard oil |
| C. | Mushrooms |
| D. | Polished rice |
| Answer» B. Mustard oil | |
| 38. |
Leptospirosis is a disease caused by |
| A. | Virus |
| B. | Fungus |
| C. | Protozoa |
| D. | None |
| Answer» E. | |
| 39. |
Leprosy is also Known as |
| A. | Angina |
| B. | Hansen's disease |
| C. | Gaucher disease |
| D. | Hodgkin disease |
| Answer» C. Gaucher disease | |
| 40. |
Lamarck's theory of inheritance of acquired characters was challenged by |
| A. | August Weismann |
| B. | Hugo de Vries |
| C. | Herbert Spencer |
| D. | Carl Linnaeus |
| Answer» D. Carl Linnaeus | |
| 41. |
L-Dopa is used to treat_x005F_x000D_ Â _x005F_x000D_ |
| A. | Pneumonia |
| B. | Alzheimer's disease |
| C. | Parkinson's disease |
| D. | Breast cancer |
| Answer» D. Breast cancer | |
| 42. |
Kyoto Protocol is associated with |
| A. | Species conservation |
| B. | Climate change |
| C. | Wetland Conservation |
| D. | Medicinal plants |
| Answer» C. Wetland Conservation | |
| 43. |
Lacrymal glands are situated in the |
| A. | Palms |
| B. | Buccal cavity |
| C. | Buccal cavity |
| D. | Stomach |
| Answer» D. Stomach | |
| 44. |
Kwashiorkor disease in children is caused by |
| A. | sufficient carbohydrates but less fats in diet |
| B. | sufficient carbohydrates and fats but deficient proteins in diet |
| C. | sufficient vitamins but deficient fats in diet |
| D. | sufficient fats but deficient vitamins in diet |
| Answer» C. sufficient vitamins but deficient fats in diet | |
| 45. |
Kind of cell that does not have a nucleus |
| A. | Eukaryotes |
| B. | Prokaryotes |
| C. | Erthrocytes |
| D. | Platelets |
| Answer» C. Erthrocytes | |
| 46. |
karl Landsteiner discovered |
| A. | Blood corpuscles |
| B. | Blood groups |
| C. | Blood vessels |
| D. | Proteins in Blood |
| Answer» C. Blood vessels | |
| 47. |
Islets of Langerhans are present in |
| A. | Kidney |
| B. | Liver |
| C. | Pancreas |
| D. | Trachea |
| Answer» D. Trachea | |
| 48. |
Is a mushroom an autotroph? |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 49. |
Involuntary muscles are controlled by the |
| A. | Central nervous system |
| B. | Autonomic nervous system |
| C. | Peripheral nervous system |
| D. | All the above |
| Answer» C. Peripheral nervous system | |
| 50. |
Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the |
| A. | Spinal cord |
| B. | Hypothalamus |
| C. | Pons |
| D. | Medulla |
| Answer» E. | |