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. |
The DNA segment which participate in crossing over is |
| A. | Recon |
| B. | Muton |
| C. | Cistron |
| D. | Operon |
| Answer» B. Muton | |
| 2. |
The embryo with blastopore is called |
| A. | Morula |
| B. | Blastula |
| C. | Gastrula |
| D. | Tadpole |
| Answer» D. Tadpole | |
| 3. |
Bacteria are classified in the kingdom |
| A. | Animalia |
| B. | Fungi |
| C. | Monera |
| D. | Protista |
| Answer» D. Protista | |
| 4. |
Chlorophyll a+c are found in |
| A. | Rhodophyceae |
| B. | Phaeophyceae |
| C. | Chlorophyceae |
| D. | Cyanophyceae |
| Answer» C. Chlorophyceae | |
| 5. |
Which part of human eye controls the amount of light entering the eye |
| A. | Pupil |
| B. | Iris |
| C. | Cornea |
| D. | Retina |
| Answer» B. Iris | |
| 6. |
Which one is a fresh water sponge |
| A. | Sycon |
| B. | Glass rope sponge |
| C. | Euspongia |
| D. | Spongilla |
| Answer» E. | |
| 7. |
Enterogastrone is secreted by |
| A. | Ileum |
| B. | Stomach |
| C. | Liver |
| D. | Duodenum |
| Answer» E. | |
| 8. |
DNA fingerprinting technique was developed by |
| A. | Alec Jeffreys |
| B. | Edwin Southern |
| C. | Har Gobind Khorana |
| D. | Robert W. Holley |
| Answer» E. | |
| 9. |
Foramen of panizza is found in the heart of |
| A. | Crocodiles |
| B. | Squamates |
| C. | Chelonia |
| D. | All reptiles |
| Answer» B. Squamates | |
| 10. |
Amoeba proteus was discovered by |
| A. | Gerald Durrell |
| B. | William Bullock |
| C. | Johann R?sel von Rosenhof |
| D. | Paul ?mile de Puydt |
| Answer» D. Paul ?mile de Puydt | |
| 11. |
Who coined the term biocoenosis |
| A. | G Evelyn Hutchinson |
| B. | Charles Elton |
| C. | Karl Mobius |
| D. | Paul ?mile de Puydt |
| Answer» D. Paul ?mile de Puydt | |
| 12. |
The osteon or haversian system can be found in |
| A. | Bone |
| B. | Cartilage |
| C. | Nervous tissue |
| D. | Brain |
| Answer» B. Cartilage | |
| 13. |
How many characters were studied by Mendel in the experiments on peas |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» E. | |
| 14. |
Prokaryotes have __S ribosomes |
| A. | 30 |
| B. | 50 |
| C. | 60 |
| D. | 70 |
| Answer» E. | |
| 15. |
Spiders produce silken threads using |
| A. | Salivary glands |
| B. | Coxal glands |
| C. | Spinneret gland |
| D. | Parotid gland |
| Answer» D. Parotid gland | |
| 16. |
The site of lipid digestion in the digestive system is |
| A. | Liver |
| B. | Buccal Cavity |
| C. | Small Intestine |
| D. | Stomach |
| Answer» D. Stomach | |
| 17. |
Which of the following animals shows radial symmetry |
| A. | Frog |
| B. | Pila |
| C. | Star Fish |
| D. | Fish |
| Answer» D. Fish | |
| 18. |
Difference in gram positive and gram negative bacteria is due to |
| A. | Cell wall |
| B. | Cytoplasm |
| C. | Cell membrane |
| D. | Ribosome |
| Answer» B. Cytoplasm | |
| 19. |
The interferons are |
| A. | Antiviral proteins |
| B. | Antibiotic proteins |
| C. | Antigen proteins |
| D. | All of these |
| Answer» B. Antibiotic proteins | |
| 20. |
Urea is transported through |
| A. | RBCs |
| B. | WBCs |
| C. | Blood Plasma |
| D. | All of above |
| Answer» D. All of above | |
| 21. |
Hinge joint is present between |
| A. | Humerus and pactoral griddle |
| B. | Femur acetabulum |
| C. | Humerus and radio-ulna |
| D. | Femur and pelvic gridle |
| Answer» D. Femur and pelvic gridle | |
| 22. |
Dark reaction of photsynthesis occurs in |
| A. | Grana |
| B. | Stroma |
| C. | Matrix |
| D. | Papaya Cytoplasm |
| Answer» C. Matrix | |
| 23. |
Which is essential for maintaining configuration of nucleolus |
| A. | Zn2+ |
| B. | K+ |
| C. | Mg2+ |
| D. | Ca2+ |
| Answer» E. | |
| 24. |
The stages between larval moults in an insect are called |
| A. | Pupal |
| B. | Instars |
| C. | Grubs |
| D. | Caterpillars |
| Answer» C. Grubs | |
| 25. |
Study of nuclear cytology is |
| A. | Neurology |
| B. | Mycology |
| C. | Rhinology |
| D. | Karyology |
| Answer» E. | |
| 26. |
Muscular wall of the heart is externally covered by |
| A. | Epithelium |
| B. | Endothelium |
| C. | Epicardium |
| D. | Myocardium |
| Answer» D. Myocardium | |
| 27. |
Pit membrane is made of |
| A. | Plasmalemma |
| B. | Primary wall |
| C. | Middle lamella |
| D. | Both b and c |
| Answer» E. | |
| 28. |
The main function of Henle's loop is |
| A. | Passage of urine |
| B. | Filtration of blood |
| C. | Formation of urine |
| D. | Conservation of water |
| Answer» E. | |
| 29. |
Which of the following carries glucose from digestive tract to liver |
| A. | Hapatic artery |
| B. | Pulmonary vein |
| C. | Hapatic portal vein |
| D. | Renal portal vein |
| Answer» D. Renal portal vein | |
| 30. |
Which one is the largest artery in the human body |
| A. | Radial Artery |
| B. | Ulnar Artery |
| C. | Aorta |
| D. | Arterioles |
| Answer» D. Arterioles | |
| 31. |
The branch of botany which deals with identification, nomenclature and classification of an organism is known as |
| A. | Morphology |
| B. | Phytochemistry |
| C. | Taxonomy |
| D. | Paleobotany |
| Answer» D. Paleobotany | |
| 32. |
Which growth hormone is found in plants |
| A. | Leutinine |
| B. | Steroids |
| C. | T.S.F |
| D. | Anxin |
| Answer» E. | |
| 33. |
The cell theory was proposed by |
| A. | Hook |
| B. | Schleiden |
| C. | Oken |
| D. | Darwin |
| Answer» B. Schleiden | |
| 34. |
plant with single-celled is called |
| A. | Protophyta |
| B. | Protozoa |
| C. | Protista |
| D. | None of the above |
| Answer» C. Protista | |
| 35. |
Which structure connects one bone to another bone |
| A. | Cartilage |
| B. | Tendons |
| C. | Ligaments |
| D. | None of the above |
| Answer» D. None of the above | |
| 36. |
The disease Rickets is caused by the deficiency of |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» E. | |
| 37. |
Number of ribs found in a typical human ribcage is |
| A. | 16 |
| B. | 21 |
| C. | 24 |
| D. | 28 |
| Answer» D. 28 | |
| 38. |
Which one of the following is not an enzyme |
| A. | Chymotrypsin |
| B. | Trypsin |
| C. | Pepsin |
| D. | Insulin |
| Answer» E. | |
| 39. |
Water molecules enter plant epidermal cells by |
| A. | Active Transport |
| B. | Translocation |
| C. | Osmosis |
| D. | None of the above |
| Answer» D. None of the above | |
| 40. |
Pepsin is released by the zymogen cell of |
| A. | Intestine |
| B. | Duodenum |
| C. | Stomach |
| D. | Liver |
| Answer» D. Liver | |
| 41. |
Colon and rectum is a part of |
| A. | Small Intestine |
| B. | Large Intestine |
| C. | Stomach |
| D. | Ureter |
| Answer» C. Stomach | |
| 42. |
Which one is the first organelle to be discovered |
| A. | Chloroplast |
| B. | Nucleus |
| C. | Vacuole |
| D. | Lysosome |
| Answer» C. Vacuole | |
| 43. |
Which one is located at the rear of the abdominal cavity |
| A. | Liver |
| B. | Kidneys |
| C. | Heart |
| D. | Pancreas |
| Answer» C. Heart | |
| 44. |
Most of the enzymes are |
| A. | Fats |
| B. | Carbohydrates |
| C. | Proteins |
| D. | Minerals |
| Answer» D. Minerals | |
| 45. |
Maximum number of ATP molecules that can be yield by glycolysis process in prokaryotic cells is |
| A. | 22 |
| B. | 29 |
| C. | 32 |
| D. | 38 |
| Answer» E. | |
| 46. |
The brain is a part of which organ system |
| A. | Respiratory System |
| B. | Circulatory System |
| C. | Nervous System |
| D. | None of the above |
| Answer» D. None of the above | |
| 47. |
The audible sounds that heart are made by the closing of the |
| A. | Arteries |
| B. | Veins |
| C. | Valve |
| D. | Ventricle |
| Answer» D. Ventricle | |
| 48. |
The elastic vessels which transport blood from the heart is known as |
| A. | Arteries |
| B. | Sinusoids |
| C. | Capillaries |
| D. | None of the above |
| Answer» B. Sinusoids | |
| 49. |
The elastic vessels which transport blood to the heart is known as |
| A. | Arteries |
| B. | Veins |
| C. | Capillaries |
| D. | None of the above |
| Answer» C. Capillaries | |
| 50. |
The color of Hemoglobin is |
| A. | Red |
| B. | Yellow |
| C. | White |
| D. | Colorless |
| Answer» B. Yellow | |