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				This section includes 879 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge (GK) knowledge and support exam preparation. Choose a topic below to get started.
| 451. | 
                                    Which of the following crops are used for producing Bio fuels? | 
                            
| A. | Sugarcane | 
| B. | Corn | 
| C. | Jatropha | 
| D. | All options are correct | 
| Answer» E. | |
| 452. | 
                                    Which of the following processes are associated with plants during dark period? | 
                            
| A. | Photosynthesis and respiration | 
| B. | Respiration and transpiration | 
| C. | Transpiration and conduction | 
| D. | Conduction and respiration | 
| Answer» E. | |
| 453. | 
                                    Rotation of crops is essential | 
                            
| A. | For increasing the quantity of minerals. | 
| B. | For decreasing the quantity of proteins. | 
| C. | For getting different kinds of crops. | 
| D. | For increasing fertility of the soil. | 
| Answer» E. | |
| 454. | 
                                    Spraying of DDT on crops causes pollution of . | 
                            
| A. | Air & Soil | 
| B. | Crops & Air | 
| C. | Soil & Water | 
| D. | Air & Water | 
| Answer» D. Air & Water | |
| 455. | 
                                    Fluid part of blood devoid of corpuscles is called - | 
                            
| A. | Tissue fluid | 
| B. | Plasma | 
| C. | Serum | 
| D. | Lymph | 
| Answer» D. Lymph | |
| 456. | 
                                    Cockroach cannot survive in the water because its respiratory organ is - | 
                            
| A. | Gill | 
| B. | Trachea | 
| C. | Book lung | 
| D. | Pulmonary Sac | 
| Answer» C. Book lung | |
| 457. | 
                                    Which one of the following is the respiratory pigment in man? | 
                            
| A. | Haernocyanin | 
| B. | Haemoerythrin | 
| C. | b-Carotene | 
| D. | Haemoglobin | 
| Answer» E. | |
| 458. | 
                                    Nitrogen fixing bacteria found in the root nodules of leguminous plant is:- | 
                            
| A. | Saprophytic | 
| B. | Parasitic | 
| C. | Symbiotic | 
| D. | Autotrophic | 
| Answer» D. Autotrophic | |
| 459. | 
                                    Ginger is a modified - | 
                            
| A. | roof | 
| B. | leaf | 
| C. | tendril | 
| D. | stem | 
| Answer» E. | |
| 460. | 
                                    Which one of the following is used as a food preservative? | 
                            
| A. | Sodium benzoate | 
| B. | Sodium thiosulphate | 
| C. | Sodium hydroxide | 
| D. | Sodium bicarbonate | 
| Answer» B. Sodium thiosulphate | |
| 461. | 
                                    Chewing gum is made from - | 
                            
| A. | Resin | 
| B. | Tannin | 
| C. | Latex | 
| D. | Gum | 
| Answer» D. Gum | |
| 462. | 
                                    Smaller roots coming out of main root is called as . | 
                            
| A. | Tap root | 
| B. | Lateral root | 
| C. | Fibrous root | 
| D. | Ring root | 
| Answer» C. Fibrous root | |
| 463. | 
                                    Kalaazar is transmitted by | 
                            
| A. | tsetse fly | 
| B. | housefly | 
| C. | anopheles mosquito | 
| D. | sand fly | 
| Answer» E. | |
| 464. | 
                                    Adherent mucoid alkaline substance covering the inner lining of stomach is to - | 
                            
| A. | digest starch | 
| B. | act against bacteria | 
| C. | prevent the action of pepsin of mucosa | 
| D. | prevent viral infection | 
| Answer» D. prevent viral infection | |
| 465. | 
                                    Which one of the following is NOT a function of kidney - | 
                            
| A. | Regulation of blood pH | 
| B. | Removal of metabolic wastes from the body | 
| C. | Production of antibodies | 
| D. | Regulation of osmotic pressures of the blood | 
| Answer» D. Regulation of osmotic pressures of the blood | |
| 466. | 
                                    Point out the incorrect pair - | 
                            
| A. | Green Revolution - A ricul-tural Development | 
| B. | White Revolution - Dairy Development | 
| C. | Blue Revolution - Development of Fisheries | 
| D. | Operation Flood - Irrigation Development | 
| Answer» E. | |
| 467. | 
                                    Eyes of potato are useful for - | 
                            
| A. | Nutrition | 
| B. | Respiration | 
| C. | Reproduction | 
| D. | Vegetative propagation | 
| Answer» E. | |
| 468. | 
                                    Bacteriophage was discovered by - | 
                            
| A. | Felix d'Herelle and Frederick Twort | 
| B. | Kluyver and Niel | 
| C. | Paul Ehrlich | 
| D. | Burrill and Smith | 
| Answer» B. Kluyver and Niel | |
| 469. | 
                                    Which among the following has the maximum life span - | 
                            
| A. | Eagle | 
| B. | Tortoise | 
| C. | Tiger | 
| D. | Elephant | 
| Answer» C. Tiger | |
| 470. | 
                                    Both erythrocytes and leucocytes are formed in the . | 
                            
| A. | Bone marrow | 
| B. | Thymus | 
| C. | Arterial walls | 
| D. | Lymph nodes | 
| Answer» B. Thymus | |
| 471. | 
                                    Beak is formed by | 
                            
| A. | cheeks | 
| B. | jaws | 
| C. | teeth | 
| D. | None | 
| Answer» C. teeth | |
| 472. | 
                                    What are the folds found in the mucous lining of the empty stomach? | 
                            
| A. | Typhlosole | 
| B. | Areolae | 
| C. | Rugae | 
| D. | Villi | 
| Answer» D. Villi | |
| 473. | 
                                    Which of the following correctly explains the phenomenon of "Test Tube Bally"? | 
                            
| A. | When every process of embryo formation is in the test tube. | 
| B. | When the embryo develops in a test tube. | 
| C. | When the fertilisation is external and development is internal. | 
| D. | When the fertilisation is internal and development is external. | 
| Answer» D. When the fertilisation is internal and development is external. | |
| 474. | 
                                    Pituitary gland is situated in - | 
                            
| A. | the base of the heart | 
| B. | the base of the brain | 
| C. | the neck | 
| D. | the abdomen | 
| Answer» C. the neck | |
| 475. | 
                                    The filtration unit of kidney is - | 
                            
| A. | axon | 
| B. | nephron | 
| C. | neuron | 
| D. | yellow fiber | 
| Answer» C. neuron | |
| 476. | 
                                    The basic unit of biosystematics is - | 
                            
| A. | Phenotype | 
| B. | Ecotype | 
| C. | Florotype | 
| D. | Genotype | 
| Answer» C. Florotype | |
| 477. | 
                                    Filaria is transmitted by | 
                            
| A. | Aedes mosquito | 
| B. | Anopheles mosquito | 
| C. | Cuiex mosquito | 
| D. | Swamp mosquito | 
| Answer» D. Swamp mosquito | |
| 478. | 
                                    Who discovered the Cholera-bacillus? | 
                            
| A. | Louis Pasteur | 
| B. | Ronald Ross | 
| C. | Robert Koch | 
| D. | Joseph Lister | 
| Answer» D. Joseph Lister | |
| 479. | 
                                    Which of the following procedure treats spinal stenosis (stricture)? | 
                            
| A. | Laminoplasty | 
| B. | Corpectomy | 
| C. | Foraminotomy | 
| D. | All of the above | 
| Answer» E. | |
| 480. | 
                                    In test-tube babies, the - | 
                            
| A. | Ovum is fertilized and developed in test- tubes | 
| B. | Ovum is fertilized in the test-tubes and developed in uterus | 
| C. | Ovum is fertilized in the uterus and developed in test-tubes | 
| D. | Ovum is developed without fertilization in test-tubes | 
| Answer» C. Ovum is fertilized in the uterus and developed in test-tubes | |
| 481. | 
                                    Which of the following is a monogenetic parasite? | 
                            
| A. | Hydra | 
| B. | Fasciola | 
| C. | Ascaris | 
| D. | Earthworm | 
| Answer» D. Earthworm | |
| 482. | 
                                    Eustachian Tube, is located in which part of human body? | 
                            
| A. | Nose | 
| B. | Ear | 
| C. | Eyes | 
| D. | Throat | 
| Answer» C. Eyes | |
| 483. | 
                                    Which one of the following is the smallest endocrine gland in human body? | 
                            
| A. | Adrenal | 
| B. | Thyroid | 
| C. | Pituitary | 
| D. | Pancreas | 
| Answer» D. Pancreas | |
| 484. | 
                                    The discoverer of pencillin was - | 
                            
| A. | Lord Lister | 
| B. | Alexander Fleming | 
| C. | Karl Landsteiner | 
| D. | Walter Reed | 
| Answer» C. Karl Landsteiner | |
| 485. | 
                                    "Pace-maker" is associated with | 
                            
| A. | Kidney | 
| B. | Brain | 
| C. | Heart | 
| D. | Lung | 
| Answer» D. Lung | |
| 486. | 
                                    Malaria is transmitted from one person to another by: | 
                            
| A. | Aedes Mosquito | 
| B. | Culex Mosquito | 
| C. | Anopheles Mosquito | 
| D. | All of the above | 
| Answer» D. All of the above | |
| 487. | 
                                    Who discovered that Malaria was caused by female Anopheles? | 
                            
| A. | Edward Jenner | 
| B. | Louis Pasteur | 
| C. | Robert Koch | 
| D. | Ronald Ross | 
| Answer» E. | |
| 488. | 
                                    Among the defects of eye, the shortsightedness is called - | 
                            
| A. | coma | 
| B. | hypermetropia | 
| C. | myopia | 
| D. | astigmatism | 
| Answer» D. astigmatism | |
| 489. | 
                                    Carbon monoxide poisoning can be cured by - | 
                            
| A. | exposing the affected person to fresh oxygen. | 
| B. | eating butter. | 
| C. | drinking lemon-water. | 
| D. | consuming multi-vitamin tablet. | 
| Answer» B. eating butter. | |
| 490. | 
                                    In which of the following multiple epidermis is found? | 
                            
| A. | Boerhaavia | 
| B. | Amaranthus | 
| C. | Helianthus | 
| D. | Nelium | 
| Answer» E. | |
| 491. | 
                                    Darvvin finches' refers to a group of - | 
                            
| A. | Fishes | 
| B. | Lizards | 
| C. | Birds | 
| D. | Amphibians | 
| Answer» D. Amphibians | |
| 492. | 
                                    HYV refers to - | 
                            
| A. | Hybrid yielding variety | 
| B. | Human yellow virus | 
| C. | High yielding variety | 
| D. | Human yellow vaccine | 
| Answer» D. Human yellow vaccine | |
| 493. | 
                                    Soilless agriculture refers to - | 
                            
| A. | Hydroponics | 
| B. | Hygroponies | 
| C. | Sericulture | 
| D. | Inter-cropping | 
| Answer» B. Hygroponies | |
| 494. | 
                                    When a single gene controls the expression of more than one character, it is said to be - | 
                            
| A. | Heterotrophic | 
| B. | Autotrophic | 
| C. | Allotropic | 
| D. | Pleiotropic | 
| Answer» E. | |
| 495. | 
                                    The term Rh factor refers to - | 
                            
| A. | Rhesus factor | 
| B. | Rheumatoid factor | 
| C. | Renal factor | 
| D. | Rhombic factor | 
| Answer» B. Rheumatoid factor | |
| 496. | 
                                    Which one of the following is not a true snake? | 
                            
| A. | Glass snake | 
| B. | Sea snake | 
| C. | Tree snake | 
| D. | Blind snake | 
| Answer» B. Sea snake | |
| 497. | 
                                    Which one of the following types of malaria is pernicious malaria? | 
                            
| A. | Vivax | 
| B. | Ralapse | 
| C. | Tertian | 
| D. | Malignant | 
| Answer» E. | |
| 498. | 
                                    Full form of the infectious disease SARS is - | 
                            
| A. | Syndrome Associated with Respiratory Symptoms | 
| B. | Severe Acute Respiratory Syndrome | 
| C. | Severe Asthmatic Respiratory Syndrome | 
| D. | Syndrome Alarm on Respiratory System | 
| Answer» C. Severe Asthmatic Respiratory Syndrome | |
| 499. | 
                                    The gene which exhibites multiple effects is known as | 
                            
| A. | Pseudogene | 
| B. | Pleiotropic | 
| C. | Complementary | 
| D. | Polygene | 
| Answer» C. Complementary | |
| 500. | 
                                    Male mosquitoes - | 
                            
| A. | Suck blood | 
| B. | Feed on plant juices | 
| C. | Spread encephalitis | 
| D. | Spread malaria | 
| Answer» C. Spread encephalitis | |