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. |
When during the Cell Cycle are Chromosomes visible? |
| A. | only during interphase |
| B. | only during cell division |
| C. | only during G1 phase |
| D. | only during they are replicated |
| Answer» C. only during G1 phase | |
| 2. |
When is cladistics more useful than linnaean taxonomy? |
| A. | nomenclature |
| B. | classification |
| C. | identification |
| D. | evolutionary relationship |
| Answer» E. | |
| 3. |
When does DNA replication happen? |
| A. | S - phase |
| B. | M - Phase |
| C. | Prophase |
| D. | Anaphase |
| Answer» B. M - Phase | |
| 4. |
When a chromosome undergoes a deletion mutation information is |
| A. | Repeated |
| B. | Lost |
| C. | Reversed |
| D. | Transferred |
| Answer» C. Reversed | |
| 5. |
When a Cuttlefish is described as a Molluscs, it is at which level of classification? |
| A. | Class |
| B. | Order |
| C. | Family |
| D. | Phylum |
| Answer» E. | |
| 6. |
When a person can see only nearby objects, the condition is called |
| A. | Hypermetropia |
| B. | Astigmatism |
| C. | Myopia |
| D. | Retinopathy |
| Answer» D. Retinopathy | |
| 7. |
What type of macromolecule is an enzyme? |
| A. | Proteins |
| B. | Saturated fats |
| C. | Phospholipids |
| D. | Lipids |
| Answer» B. Saturated fats | |
| 8. |
What type of a body plan does coelenterates, ctenophores and echinoderms have? |
| A. | Annelida |
| B. | Radial |
| C. | Bilateral |
| D. | Platyhelminthes |
| Answer» C. Bilateral | |
| 9. |
What temperature does bacteria grow quickest at |
| A. | 40°F and 140°F |
| B. | 14°C and 90°C |
| C. | 80°F and 140°F |
| D. | None |
| Answer» B. 14°C and 90°C | |
| 10. |
What three statements make up the cell theory? |
| A. | All living things are made up of cells. |
| B. | New cells come frome exisiting cells. |
| C. | Cells are the basic unit of structure/function in living things. |
| D. | All of the above |
| Answer» E. | |
| 11. |
What sugar is found in RNA? |
| A. | Deoxyribose |
| B. | Ribose |
| C. | Pentose |
| D. | Sucrose |
| Answer» C. Pentose | |
| 12. |
What sugar is found in DNA? |
| A. | Ribose |
| B. | Deoxyribose |
| C. | Pentose |
| D. | Sucrose |
| Answer» C. Pentose | |
| 13. |
What structure separates the colon from the small intestine?_x005F_x000D_ |
| A. | ileocecal valve |
| B. | Epiglottis |
| C. | Sphincter |
| D. | None of the above |
| Answer» B. Epiglottis | |
| 14. |
What process immediately preceeded protein synthesis at the ribosome? |
| A. | transcription |
| B. | replication |
| C. | translation |
| D. | duplication |
| Answer» B. replication | |
| 15. |
What process accounts for species diversity? |
| A. | Predation |
| B. | Mitosis |
| C. | Symbiosis |
| D. | Meiosis |
| Answer» E. | |
| 16. |
What provides electrons for the light reactions? |
| A. | Water |
| B. | Oxygen |
| C. | Carbon dioxide |
| D. | Light |
| Answer» B. Oxygen | |
| 17. |
What prevents food from entering the windpipe? |
| A. | Epiglottis |
| B. | Pharynx |
| C. | Trachea |
| D. | Larynx |
| Answer» B. Pharynx | |
| 18. |
What organelle carries out photosynthesis? |
| A. | Chloroplasts |
| B. | Ribosomes |
| C. | Chromosomes |
| D. | All of the above |
| Answer» B. Ribosomes | |
| 19. |
What plant has the scientific name Solanum Tuberosum?_x005F_x000D_ |
| A. | Potato |
| B. | Tomato |
| C. | Pumpkin |
| D. | Onion |
| Answer» B. Tomato | |
| 20. |
What part of the body controls balance? |
| A. | Cerebrum |
| B. | Cerebellum |
| C. | Medulla oblangata |
| D. | Amygdala |
| Answer» C. Medulla oblangata | |
| 21. |
What molecule carries genetic information? |
| A. | RNA |
| B. | DNA |
| C. | Proteins |
| D. | Nucleotides |
| Answer» C. Proteins | |
| 22. |
What nitrogenous bases are found in RNA? |
| A. | Thymine |
| B. | Uracil |
| C. | Guanine |
| D. | All of the above |
| Answer» E. | |
| 23. |
What marks the onset of puberty in females? |
| A. | Menopause |
| B. | Adolescence |
| C. | Menstruation |
| D. | Menarche |
| Answer» E. | |
| 24. |
What kingdom does Amoeba belong to |
| A. | Plantae |
| B. | Protista |
| C. | Monera |
| D. | Prokaryotae |
| Answer» C. Monera | |
| 25. |
What is the yellow dust present in the middle of a flower called?_x005F_x000D_ |
| A. | Zygote |
| B. | Pollen |
| C. | Stomata |
| D. | Sperm |
| Answer» C. Stomata | |
| 26. |
What is the unit of heredity? |
| A. | cell |
| B. | blood |
| C. | gene |
| D. | All of the above |
| Answer» D. All of the above | |
| 27. |
What is the type of asexual reproduction in Amoeba? |
| A. | Spore formation |
| B. | Binary fission |
| C. | Vegetative propagation |
| D. | Budding |
| Answer» C. Vegetative propagation | |
| 28. |
What is the transplantation of graft between genetically identical individuals ? |
| A. | Autograft |
| B. | Isograft |
| C. | Allograft |
| D. | Xenograft |
| Answer» C. Allograft | |
| 29. |
What is the total number of bones in the human body? |
| A. | 206 |
| B. | 103 |
| C. | 309 |
| D. | 412 |
| Answer» B. 103 | |
| 30. |
What Is The Study Of Cells Called |
| A. | Cellogysm |
| B. | Cytology |
| C. | Cell Biology |
| D. | Both B & C |
| Answer» E. | |
| 31. |
What is the structural unit of compact bone? |
| A. | Osteon |
| B. | Spongy bone |
| C. | Lamellae |
| D. | Periosteum |
| Answer» B. Spongy bone | |
| 32. |
What is the shortest phase of the cell cycle? |
| A. | M |
| B. | G1 |
| C. | S |
| D. | G2 |
| Answer» B. G1 | |
| 33. |
What is the shape of the two guard cells which enclose stomata? |
| A. | Oval |
| B. | Triangular |
| C. | Rectangular |
| D. | Kidney shaped |
| Answer» E. | |
| 34. |
What is the role of Pneumatophores? |
| A. | Protect plant from animals |
| B. | Get oxygen for respiration |
| C. | Supports plant in standing upright |
| D. | Helps plant for pollination |
| Answer» C. Supports plant in standing upright | |
| 35. |
What is the purpose of the mucus in your nose? |
| A. | Protects lungs |
| B. | Clear air passage |
| C. | Protects nose |
| D. | All of the above |
| Answer» B. Clear air passage | |
| 36. |
What is the proper term for a skeletal joint? |
| A. | Articulation |
| B. | Compact Bone |
| C. | Articular Cartilage |
| D. | Lacuna |
| Answer» B. Compact Bone | |
| 37. |
What is the process of production of ovum in the females called?_x005F_x000D_ |
| A. | Adolescence |
| B. | Menarche |
| C. | Oogenesis |
| D. | Menstruation |
| Answer» D. Menstruation | |
| 38. |
What is the outcome when a cell undergoes meiosis? |
| A. | Two haploid cells |
| B. | Four haploid cells |
| C. | Two diploid cells |
| D. | Four diploid cells |
| Answer» C. Two diploid cells | |
| 39. |
What is the process by which autotrophs take in substances from the outside and convert them into stored form of energy?_x005F_x000D_ |
| A. | Respiration |
| B. | Photosynthesis |
| C. | Ingestion |
| D. | Transpiration |
| Answer» C. Ingestion | |
| 40. |
What is the normal resting heart rate range for adults (beats/min)? |
| A. | 60 to 100 |
| B. | 50 to 80 |
| C. | 120 to 180 |
| D. | 75 to 120 |
| Answer» B. 50 to 80 | |
| 41. |
What is the name of the point at which the chromatids are attached in a chromosome? |
| A. | Centrosome |
| B. | Centromere |
| C. | Nucleosome |
| D. | Gene |
| Answer» C. Nucleosome | |
| 42. |
What is the name of the hormone produced by thymus gland? |
| A. | Thyroxine |
| B. | Auxins |
| C. | Cytokinins |
| D. | Thymosin |
| Answer» E. | |
| 43. |
What is the name of a group of similar cells performing a specific function? |
| A. | Tissue |
| B. | Organ |
| C. | Organ system |
| D. | Cellular organization |
| Answer» B. Organ | |
| 44. |
What is the main purpose of white blood corpuscles? |
| A. | to carry nutrients |
| B. | to combat infection |
| C. | to carry oxygen |
| D. | to give strength |
| Answer» C. to carry oxygen | |
| 45. |
What is the heaviest internal organ in the human body? |
| A. | Skin |
| B. | Lungs |
| C. | Heart |
| D. | Liver |
| Answer» E. | |
| 46. |
What is the functional unit of a skeletal muscle called? |
| A. | Myofibril |
| B. | Sarcomere |
| C. | Fiber |
| D. | Fasciculus |
| Answer» C. Fiber | |
| 47. |
What is the function of guard cells of stomata? |
| A. | Opening of stomata only |
| B. | Closing of stomata only |
| C. | Both opening and closing of stomata |
| D. | Neither opening nor closing of stomata |
| Answer» D. Neither opening nor closing of stomata | |
| 48. |
What is the function of reverse transcriptase? |
| A. | synthesis of RNA from protein |
| B. | synthesis of DNA from an RNA template |
| C. | synthesis of protein from DNA |
| D. | synthesis of DNA from protein |
| Answer» C. synthesis of protein from DNA | |
| 49. |
What is the function of chloroplast in a plant cell? |
| A. | absorb nutrients from soil |
| B. | absorb water |
| C. | absorb sunlight |
| D. | All of the above |
| Answer» D. All of the above | |
| 50. |
What is the full form of RNA? |
| A. | Ribonucleic Acid |
| B. | Ribonitric Acid |
| C. | Ribonutrient Acid |
| D. | Reverse Nucleic Acid |
| Answer» B. Ribonitric Acid | |