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. |
Which National park is the new home of the Indian one-horned rhinoceros? |
| A. | Dudhwa |
| B. | Jim Corbett |
| C. | Kanha |
| D. | Bandhavgarh |
| Answer» B. Jim Corbett | |
| 2. |
Plant genes of endangered species are stored in |
| A. | gene library |
| B. | gene bank |
| C. | herbarium |
| D. | None of these |
| Answer» C. herbarium | |
| 3. |
Which of the following animal has become almost extinct in India? |
| A. | Wolf |
| B. | Rhinoceros |
| C. | Hippopotamus |
| D. | Cheetah |
| Answer» E. | |
| 4. |
Which one of the following is not a gaseous biogeochemical cycle in ecosystem? |
| A. | Sulphur cycle |
| B. | Phosphorus cycle |
| C. | Nitrogen cycle |
| D. | Carbon cycle |
| Answer» C. Nitrogen cycle | |
| 5. |
Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time? |
| A. | Sparrow |
| B. | Lion |
| C. | Goat |
| D. | Frog |
| Answer» B. Lion | |
| 6. |
Desert regions are characterized by __ centimeters of rainfall per year. |
| A. | less than 5 |
| B. | less than 15 |
| C. | less than 25 |
| D. | over 50 |
| Answer» D. over 50 | |
| 7. |
More than 70% of world's freshwater is contained in |
| A. | polarice |
| B. | glaciers and mountains |
| C. | Antarctica |
| D. | Greenland |
| Answer» B. glaciers and mountains | |
| 8. |
10% law of flow of energy in ecosystem was proposed by |
| A. | Lindeman |
| B. | Carl Mobius |
| C. | Tansley |
| D. | Darwin |
| Answer» B. Carl Mobius | |
| 9. |
Who is referred to as the farmer's friend? |
| A. | Ant |
| B. | Sparrow |
| C. | Earthworm |
| D. | Rabbit |
| Answer» D. Rabbit | |
| 10. |
Which one is nature's cleaner? |
| A. | Consumers |
| B. | Producers |
| C. | Decomposers and scavengers |
| D. | Symbionts |
| Answer» D. Symbionts | |
| 11. |
Energy flow in an ecosystem is |
| A. | unidirectional |
| B. | bidirectional |
| C. | multidirectional |
| D. | All of these |
| Answer» B. bidirectional | |
| 12. |
Which of the following is the most stable ecosystem? |
| A. | Mountain |
| B. | Desert |
| C. | Forest |
| D. | Ocean |
| Answer» E. | |
| 13. |
Which most often limits the primary productivity of the ecosystem? |
| A. | Solar radiation/light |
| B. | Oxygen |
| C. | Consumers |
| D. | Nitrogen |
| Answer» B. Oxygen | |
| 14. |
An assocation between two individuals or population where both the benefitted and where neither can survive without the other is |
| A. | Commensalism |
| B. | Amensalism |
| C. | Proto-cooperation |
| D. | Mutualism |
| Answer» E. | |
| 15. |
The age of pyramid with broad base indicates |
| A. | high percentage of young individuals |
| B. | low percentage of young individuals |
| C. | high percentage of old individuals |
| D. | low percentage of old individuals |
| Answer» B. low percentage of young individuals | |
| 16. |
The term 'Ecology' was coined by |
| A. | Haeckel |
| B. | Odum |
| C. | Wanning |
| D. | Dudgeon |
| Answer» B. Odum | |
| 17. |
Which of the following class of algae mostly found in salt water? |
| A. | Phaeophyceae |
| B. | Rhodophyceae |
| C. | Chlorophyceae |
| D. | Both [a] and [b] |
| Answer» B. Rhodophyceae | |
| 18. |
In class of Amphibia, respiration occurs through |
| A. | gills |
| B. | lungs |
| C. | skin |
| D. | All of these |
| Answer» E. | |
| 19. |
Organisms which display properties of both living and non-living are |
| A. | Viruses |
| B. | Diatoms |
| C. | Lichens |
| D. | Bacteria |
| Answer» B. Diatoms | |
| 20. |
Binomial Nomenclature was given by |
| A. | Lamarck |
| B. | Ernst Mayr |
| C. | Carolus Linneaus |
| D. | Cuvier |
| Answer» D. Cuvier | |
| 21. |
Artificial system of classification was first used by |
| A. | Linnaeus |
| B. | De Candolle |
| C. | Pliny the Eider |
| D. | Bentham and Hooker |
| Answer» D. Bentham and Hooker | |
| 22. |
A modification of leaf is |
| A. | Tendrils |
| B. | Phylloclade |
| C. | Cladode |
| D. | Conn |
| Answer» B. Phylloclade | |
| 23. |
Which is not a stem modification? |
| A. | Rhizome of ginger |
| B. | Corm of Colocasia |
| C. | Pitcher of Nepenthes |
| D. | Tuber of potato |
| Answer» D. Tuber of potato | |
| 24. |
Cymose is |
| A. | thalamus |
| B. | fruit |
| C. | inflorescence |
| D. | ovary |
| Answer» D. ovary | |
| 25. |
Herbarium is |
| A. | a garden where medicinal plants are grown |
| B. | garden where herbaceous plants are grown |
| C. | dry garden |
| D. | chemical to kill plants |
| Answer» D. chemical to kill plants | |
| 26. |
In which one of the following sets of animals do all the four give birth to young ones? |
| A. | Platypus, Penguin, Bat, Hippopotamus |
| B. | Shrew, Bat, Cat, Kiwi |
| C. | Kangaroo, Hedgehog, Dolphin,, Loris |
| D. | Lion, Bat, Whale, Ostrich |
| Answer» D. Lion, Bat, Whale, Ostrich | |
| 27. |
The long bones are hollow and connected by air passages these are characteristics of |
| A. | Mammals |
| B. | Reptiles |
| C. | Birds |
| D. | All land vertebrates |
| Answer» D. All land vertebrates | |
| 28. |
A common characteristic of all vertebrates is |
| A. | presence of skull |
| B. | division of body into head, neck, trunk and tail |
| C. | presence of two pairs of functional appendages |
| D. | body is covered with an exoskeleton |
| Answer» B. division of body into head, neck, trunk and tail | |
| 29. |
The largest flower found is known as |
| A. | Rafflesia |
| B. | Tecoma |
| C. | Musa |
| D. | Cauliflower |
| Answer» B. Tecoma | |
| 30. |
An alga very rich in protein is |
| A. | Spirogyra |
| B. | Ulothrix |
| C. | Oscillatoria |
| D. | Chlorella |
| Answer» E. | |
| 31. |
Which of the following is called amphibians of plant kingdom? |
| A. | Bryophytes |
| B. | Pteridophytes |
| C. | Gymnosperms |
| D. | Algae |
| Answer» B. Pteridophytes | |
| 32. |
Group of organisms that closely resemble each other and freely interbreed in nature, constitute a |
| A. | specie s |
| B. | genus |
| C. | family |
| D. | taxon |
| Answer» B. genus | |
| 33. |
Study of form and structure of organisms is |
| A. | Ecology |
| B. | Taxonomy |
| C. | Anatomy |
| D. | Morphology |
| Answer» E. | |
| 34. |
Which immunoglobin (Ig) is produced in primary immune response? |
| A. | IgA |
| B. | IgE |
| C. | IgG |
| D. | IgM |
| Answer» E. | |
| 35. |
Which of the following diseases is due to an allergic reaction? |
| A. | Goitre |
| B. | Skin cancer |
| C. | Hay fever |
| D. | Enteric fever |
| Answer» D. Enteric fever | |
| 36. |
'Malaria' a common disease world-wide is caused by a |
| A. | bacterium |
| B. | virion |
| C. | protozoa |
| D. | fungi |
| Answer» D. fungi | |
| 37. |
The formation of antibodies within our body is called |
| A. | active immunity |
| B. | passive immunity |
| C. | innate immunity |
| D. | acquired immunity |
| Answer» B. passive immunity | |
| 38. |
Which scientist is credited with the development of medical vaccinations? |
| A. | Robert Koch |
| B. | Charles Darwin |
| C. | Edward Jenner |
| D. | William Harvey |
| Answer» D. William Harvey | |
| 39. |
'Plague' is transmitted by |
| A. | House fly |
| B. | Tse-tse fly |
| C. | Rat flea |
| D. | Mosquito |
| Answer» E. | |
| 40. |
Tuberculosis is caused by |
| A. | Bacterium |
| B. | Virus |
| C. | Protozoan |
| D. | Malnutrition |
| Answer» B. Virus | |
| 41. |
Community health aims at |
| A. | better health and family planning |
| B. | better hygiene and clean environment |
| C. | removing communicable diseases |
| D. | All of the above |
| Answer» E. | |
| 42. |
In persons addicted to alcohol, the liver gets damaged because it |
| A. | has to detoxify the alcohol |
| B. | stores excess of glycogen |
| C. | is over stimulated to secrete more bile |
| D. | accumulates excess of fats |
| Answer» D. accumulates excess of fats | |
| 43. |
Which is an autoimmune disease? |
| A. | Cancer |
| B. | Asthma |
| C. | Erythroblastosis foetalis |
| D. | Rheumatoid arthritis |
| Answer» D. Rheumatoid arthritis | |
| 44. |
DPT vaccine is given for |
| A. | Tetanus, polio, plague |
| B. | Diptheria, whooping cough and leprosy |
| C. | Diptheria, pneumonia, tetanus |
| D. | Diptheria, whooping cough, tetanus |
| Answer» E. | |
| 45. |
Cancer of blood is called |
| A. | Leukemia |
| B. | Lymphoma |
| C. | Sarcoma |
| D. | Hybridoma |
| Answer» B. Lymphoma | |
| 46. |
Which of the following diseases is caused by Protozoa? |
| A. | Chicken pox |
| B. | Measles |
| C. | Filariasis |
| D. | Sleeping sickness |
| Answer» E. | |
| 47. |
Which one of the following pairs of disease can spread through blood transfusion? |
| A. | Cholera and hepatitis |
| B. | Hepatitis and AIDS |
| C. | Diabetes mellitus and malaria |
| D. | Hay fever and AIDS |
| Answer» C. Diabetes mellitus and malaria | |
| 48. |
Which of the following is not a communicable disease? |
| A. | Typhoid |
| B. | Malaria |
| C. | AIDS |
| D. | Goitre |
| Answer» E. | |
| 49. |
Which of the following diseases is also known as infantile paralysis? |
| A. | Lockjaw |
| B. | Rabies |
| C. | Polio |
| D. | Chicken pox |
| Answer» D. Chicken pox | |
| 50. |
Who invented vaccine for small pox? |
| A. | Robert Koch |
| B. | Robert Hooke |
| C. | Edward Jener |
| D. | Louis Pasteur |
| Answer» D. Louis Pasteur | |