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 one of the following animals is sanguinivorous? |
| A. | Fruit-fly |
| B. | Mosquito |
| C. | House-fly |
| D. | Snail |
| Answer» C. House-fly | |
| 2. |
Genes are not found in pairs - |
| A. | in body cells |
| B. | in ovary after fertilization |
| C. | in gametes |
| D. | in zygotes |
| Answer» D. in zygotes | |
| 3. |
Goitre is caused by the deficiency of - |
| A. | Iodine |
| B. | Chlorine |
| C. | Sodium |
| D. | Calcium |
| Answer» B. Chlorine | |
| 4. |
Which of the following prevents bleeding of gums? |
| A. | Ascorbic acid |
| B. | Vitamin B |
| C. | Nicothaamide |
| D. | Thiamine |
| Answer» B. Vitamin B | |
| 5. |
A pair of contrasting characters controlling the same trait is called - |
| A. | factors |
| B. | loci |
| C. | allele |
| D. | lineage |
| Answer» D. lineage | |
| 6. |
The chemicals released by one species of animals in order to attract the other members of the same species are - |
| A. | Hormones |
| B. | Nucleic acids |
| C. | Pheromones |
| D. | Steroids |
| Answer» D. Steroids | |
| 7. |
is a hormone that regulates the amount of glucose in the blood? |
| A. | Glucogen |
| B. | Thyroxine |
| C. | Oxytocin |
| D. | Insulin |
| Answer» E. | |
| 8. |
A cross between homozygous recessive and heterozygous plant is - |
| A. | Back cross |
| B. | Test cross |
| C. | Monohybrid cross |
| D. | Dihybrid cross |
| Answer» C. Monohybrid cross | |
| 9. |
Bark of this tree is used as' a condiment |
| A. | Cinnamon |
| B. | Clove |
| C. | Neem |
| D. | Palm |
| Answer» B. Clove | |
| 10. |
Study of field crops is called - |
| A. | Pomology |
| B. | Agronomy |
| C. | Olericulture |
| D. | Floriculture |
| Answer» C. Olericulture | |
| 11. |
Mercury poisoning in man causes the disease |
| A. | Black lung |
| B. | Arsenicosis |
| C. | Minamata |
| D. | Tai-Etai |
| Answer» D. Tai-Etai | |
| 12. |
'Insectivorous plants' trap insects for |
| A. | Nitrogen |
| B. | Fats |
| C. | Vitamins |
| D. | Carbohydrates |
| Answer» B. Fats | |
| 13. |
Bleeding of gums and loosening of teeth is caused due to deficiency of- |
| A. | VitaminA |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» D. Vitamin D | |
| 14. |
Which of the following is a deficiency disease? |
| A. | Asthma |
| B. | Jaundice |
| C. | Scurvy |
| D. | Cancer |
| Answer» D. Cancer | |
| 15. |
Rickets is the deficiency disease of Vitamin D, in which the affected part is the - |
| A. | skin |
| B. | hair |
| C. | bone |
| D. | blood |
| Answer» D. blood | |
| 16. |
The colour of cow's milk is slightly yellow due to the presence of |
| A. | xanthophyll |
| B. | riboflavin |
| C. | ribulose |
| D. | carotin |
| Answer» E. | |
| 17. |
The sexual reproductive organs of aspergillus are |
| A. | Spermatium and Oogonium |
| B. | Antheridium and Oogonium |
| C. | Spermatium and Ascogonium |
| D. | Antheridium and Ascogonium |
| Answer» E. | |
| 18. |
The cross-section of a stem of tree has fifty rings, what is the age of the tree? |
| A. | 50 months |
| B. | 5 years |
| C. | 25 years |
| D. | 50 years |
| Answer» E. | |
| 19. |
Study of old age is called |
| A. | Gerantalogy |
| B. | Pedology |
| C. | Ornithology |
| D. | Anthropology |
| Answer» B. Pedology | |
| 20. |
On the average, what percent age of human body has the element of oxygen? |
| A. | 65 |
| B. | 25 |
| C. | 10 |
| D. | 5 |
| Answer» B. 25 | |
| 21. |
Study of newly born up to the age of 3 months is called - |
| A. | Chorology |
| B. | Conchology |
| C. | Nematology |
| D. | Neonatology |
| Answer» E. | |
| 22. |
When we touch leaves of 'Touch me not plant", they close, these movements are called |
| A. | Photonastic movements |
| B. | nyctinastic movements |
| C. | seismonastic movements |
| D. | chemonastric movements |
| Answer» D. chemonastric movements | |
| 23. |
The disease Beni Beni is caused due to the deficiency of which of the following? |
| A. | Vitamin B2 |
| B. | Vitamin B1 |
| C. | Vitamin B12 |
| D. | Vitamin E |
| Answer» C. Vitamin B12 | |
| 24. |
What do you understand by the term Dark Fermentation'? |
| A. | It is a method to dispose nu-clear wastes. |
| B. | It is a method to produce methane from organic wastes. |
| C. | It is a method to reduce COD in the atmosphere. |
| D. | It is a method to produce Hydrogen as a fuel from waste water. |
| Answer» E. | |
| 25. |
In a plant, the xylem tissue conducts - |
| A. | water |
| B. | food |
| C. | water and food |
| D. | None of these |
| Answer» B. food | |
| 26. |
'Antibodies', which protect our body from infections, are which type of compounds? |
| A. | Carbohydrates |
| B. | Fats |
| C. | Proteins |
| D. | Vitamins |
| Answer» D. Vitamins | |
| 27. |
Natural system of classification was proposed by botanists. |
| A. | Indian |
| B. | German |
| C. | Swedish |
| D. | British |
| Answer» E. | |
| 28. |
Fermentation of milk to curd is due to |
| A. | Mycobacterium |
| B. | Staphylococcus |
| C. | Lactobacillus |
| D. | Yeast |
| Answer» D. Yeast | |
| 29. |
Thinner particles responsible for deteriorating the air quality resulting in the damage of vital body organs are referred as PM: |
| A. | 15.5 |
| B. | 10.5 |
| C. | 2.5 |
| D. | 20.5 |
| Answer» D. 20.5 | |
| 30. |
The five key indicators of global climate change of our planet are |
| A. | Antartic Sea ice, Oxygen, Rain-fall, Drought and Sea level |
| B. | Sea-level, Rising temperatures, Rainfall, Nitrogen and Arctic Sea ice |
| C. | Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice |
| D. | None of these |
| Answer» D. None of these | |
| 31. |
The age of trees is determined by its |
| A. | girth |
| B. | height |
| C. | growth rings |
| D. | general appearance |
| Answer» D. general appearance | |
| 32. |
Which one of the following techniques can be used to establish the paternity of a child? |
| A. | Protein analysis |
| B. | Chromosome counting |
| C. | Quantitative analysis of DNA |
| D. | DNA finger printing |
| Answer» E. | |
| 33. |
Who proposed Binomial Nomenclature? |
| A. | Linnaeus |
| B. | John Ray |
| C. | Huxley |
| D. | Aristotle |
| Answer» B. John Ray | |
| 34. |
The latex of which plant is used commercially? |
| A. | Papaya plant |
| B. | Sial kanta plant |
| C. | Rubber plant |
| D. | Banyan tree |
| Answer» D. Banyan tree | |
| 35. |
Fermentation is a process of decomposition of an organic compound by |
| A. | catalysts |
| B. | enzymes |
| C. | carbanions |
| D. | free radicals |
| Answer» C. carbanions | |
| 36. |
The vitamin that helps to prevent infections in the human body is - |
| A. | vitamin A |
| B. | vitamin B |
| C. | vitamin C |
| D. | vitamin D |
| Answer» D. vitamin D | |
| 37. |
People with Down's syndrome invariably affected by: |
| A. | Huntington's disease |
| B. | Alzheimer's disease |
| C. | Meningitis |
| D. | Brain haemorrhage |
| Answer» C. Meningitis | |
| 38. |
The acid stored in batteries is |
| A. | Sulphuric acid |
| B. | Nitric acid |
| C. | Hydrochloric acid |
| D. | Acetic acid |
| Answer» B. Nitric acid | |
| 39. |
Dolly, the World's First cloned animal was a |
| A. | sheep |
| B. | cow |
| C. | goat |
| D. | pig |
| Answer» B. cow | |
| 40. |
The presence of air bubble in blood stream is dangerous to life because- |
| A. | Air combines with blood forming a complex |
| B. | The flow of blood increases manifold |
| C. | The flow of blood is obstructed |
| D. | The pressure of blood increases manifold |
| Answer» D. The pressure of blood increases manifold | |
| 41. |
Plant genetic material in 'Gene-Bank' is preserved at - 196 C in liquid nitrogen as |
| A. | seedling and rneristern |
| B. | mature seed (dry) |
| C. | pre-mature seed (high moisture) |
| D. | ripe fruit |
| Answer» C. pre-mature seed (high moisture) | |
| 42. |
By which the sex of a child is determined before birth? |
| A. | Sperms of father |
| B. | Foetus of mother |
| C. | Both (1) and (2) |
| D. | Nutrition of mother |
| Answer» C. Both (1) and (2) | |
| 43. |
Ringworm is a disease. |
| A. | Bacterial |
| B. | Protozoan |
| C. | Viral |
| D. | Fm gal |
| Answer» E. | |
| 44. |
Minamata disease was caused by: |
| A. | Mercury |
| B. | Lead |
| C. | Cadmium |
| D. | Zinc |
| Answer» B. Lead | |
| 45. |
Allarltois of Embryo helps in - |
| A. | digestion |
| B. | excretion |
| C. | respiration |
| D. | protection |
| Answer» C. respiration | |
| 46. |
Which of the plant products is used in leather industry? |
| A. | Resin |
| B. | Mucilage |
| C. | Latex |
| D. | Tannin |
| Answer» E. | |
| 47. |
Conversion of starch to sugar is essential for - |
| A. | Stomatal opening |
| B. | Stomatal closing |
| C. | Stomatal formation |
| D. | Stomatal growth |
| Answer» B. Stomatal closing | |
| 48. |
Whichone of the following is an extinct animal? |
| A. | Passenger pigeon |
| B. | Mountain quail |
| C. | Pink-headed duck |
| D. | Ibis |
| Answer» B. Mountain quail | |
| 49. |
Haemophilia is |
| A. | an organic disorder |
| B. | a metabolic disorder |
| C. | a genetic disorder |
| D. | a hormonal disorder |
| Answer» D. a hormonal disorder | |
| 50. |
Which of the following human genetic disorders is sexlinked? |
| A. | Haemophilia |
| B. | Cystic fibrosis |
| C. | Albinism |
| D. | PKU |
| Answer» B. Cystic fibrosis | |