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 is included under ecosystem services |
| A. | Protection of soil |
| B. | Conservation and purification of water |
| C. | Climate control |
| D. | All the above |
| Answer» E. | |
| 2. |
Which of the following plants stand intermediate between\[{{C}_{3}}\]and\[{{C}_{4}}\]plants |
| A. | Triticum aestivum |
| B. | Zea mays |
| C. | Panicum milioides |
| D. | All the above |
| Answer» D. All the above | |
| 3. |
Assertion : The sense of smell in mammals is very acute. Reason : The free ends of the olfactory cells bear numerous fine olfactory hairs. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 4. |
Assertion : Plants absorb nitrogen in the form of nitrate only. Reason : Nitrogen is the most critical element. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 5. |
In old age there is decrease in amount of urine output and difficulty in micturitions it is due to |
| A. | Increase in number of nephrons |
| B. | Increase in glomerular filtration |
| C. | Decrease in number of nephrons and glomerular filtration |
| D. | [a] and [b] both |
| Answer» D. [a] and [b] both | |
| 6. |
What type of fuel are coal, petrol and natural gas [CBSE PMT 1990] |
| A. | Biofuels |
| B. | Electrical fuels |
| C. | Fossil fuels |
| D. | Liquid fuels |
| Answer» D. Liquid fuels | |
| 7. |
Which one is the main source of minerals essential for man and other organisms |
| A. | Lithosphere |
| B. | Ionosphere |
| C. | Mesosphere |
| D. | Stratosphere |
| Answer» B. Ionosphere | |
| 8. |
Coffee plant belongs to [MP PMT 1996] |
| A. | Sterculiaceae |
| B. | Rubiaceae |
| C. | Annonaceae |
| D. | Cruciferae |
| Answer» C. Annonaceae | |
| 9. |
Assertion : Angiosperms are most recent plants. Reason : Angiosperms lack archegonia. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 10. |
Order Squamata consists of [CBSE PMT 1991] |
| A. | Bats |
| B. | Crocodiles |
| C. | Turtles and pangolin |
| D. | Lizards and snakes |
| Answer» E. | |
| 11. |
Which of the following is a pulse crop |
| A. | Phaseolus vulgaris |
| B. | Glycine max |
| C. | Cajanus cajan |
| D. | Vicia faba |
| Answer» D. Vicia faba | |
| 12. |
Which one of the following is not used in the production of yoghurt [MP PMT 1995, 97, 2002] |
| A. | Streptococcus lactis |
| B. | Streptococcus thermophilus |
| C. | Lactobacillus bulgaricus |
| D. | Acetobacter aceti |
| Answer» E. | |
| 13. |
Which of the following is most dangerous to wild life [Pb. PMT 2000] |
| A. | Over exploitation |
| B. | Man made forest |
| C. | Habitat destruction |
| D. | Introduction of foreign species |
| Answer» D. Introduction of foreign species | |
| 14. |
Only right aortic arches are present in [Manipal 2005] |
| A. | Reptilia |
| B. | Mammals |
| C. | Birds |
| D. | None of these |
| Answer» D. None of these | |
| 15. |
Penicillin is obtained from [MP PMT 1997] |
| A. | Aspergillus fumigatus |
| B. | Penicillium chrysogenum |
| C. | Penicillium griseofulvum |
| D. | Streptomyces griseus |
| Answer» C. Penicillium griseofulvum | |
| 16. |
The pigment phycoerythrin is characteristic of [HP PMT 2005] |
| A. | Green algae |
| B. | Brown algae |
| C. | Red algae |
| D. | Blue green algae |
| Answer» D. Blue green algae | |
| 17. |
Read the assertion and reason carefully: Assertion : Old root hairs are replaced by new ones. Reason : Outer cells of root gives rise to root hairs. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 18. |
Assertion : Hydroponics is used for solution culture. Reason : A balanced nutrient solution contains both essential and nonessential elements. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 19. |
A pigeon in the absence of down feathers will not be able to [NCERT 1983] |
| A. | Fly for long distance |
| B. | Protect against ectoparasites |
| C. | Exhibit secondary sexual dimorphism |
| D. | Keep the body warm |
| Answer» B. Protect against ectoparasites | |
| 20. |
See the following Above structure is of an auxin, that is |
| A. | IAA |
| B. | Auxin b |
| C. | Auxin a |
| D. | None of the above |
| Answer» B. Auxin b | |
| 21. |
Which of the following exist in maximum number of terms of genera and species [AFMC 2000] |
| A. | Aquatic mammals |
| B. | Carnivore mammals |
| C. | Herbivore mammals |
| D. | Terrestrial mammals |
| Answer» E. | |
| 22. |
Egg laying mammals are found in [AFMC 1985] |
| A. | India |
| B. | South Africa |
| C. | Africa |
| D. | Australia |
| Answer» E. | |
| 23. |
Birds are [AIIMS 2000] |
| A. | Cold blooded |
| B. | Homoiothermal |
| C. | Poikilothermal |
| D. | Homeopoiesis |
| Answer» C. Poikilothermal | |
| 24. |
In bryophytes, which part of archegonium encloses egg [BVP 2000] |
| A. | Neck |
| B. | Cover cell |
| C. | Venter |
| D. | Neck canal cells |
| Answer» D. Neck canal cells | |
| 25. |
Streptomyces fradiae produces [MP PMT 2001] |
| A. | Erythromycin |
| B. | Neomycin |
| C. | Terramycin |
| D. | Aureomycin |
| Answer» C. Terramycin | |
| 26. |
The only human system that is derived from all the three germ layers is [DPMT 1992] |
| A. | Digestive system |
| B. | Excretory system |
| C. | Respiratory system |
| D. | Nervous system |
| Answer» B. Excretory system | |
| 27. |
Read the assertion and reason carefully: Assertion : Leaves of Bryophyllum, Begonia help in vegetative multiplication. Reason : Leaves of these plants possess adventitious buds. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 28. |
Lingulates or odd-toed mammals (Horse, Ass and Zebra) belong to the order |
| A. | Artiodactyla |
| B. | Perissodactyla |
| C. | Lagomporpha |
| D. | Edentata |
| Answer» C. Lagomporpha | |
| 29. |
Which is the main crop of Asia [MP PMT 2001] |
| A. | Wheat |
| B. | Rice |
| C. | Maize |
| D. | Barley |
| Answer» C. Maize | |
| 30. |
Which fins are paired in fishes [BHU 2001] |
| A. | Dorsal fin and anal fin |
| B. | Pelvic fin and ventral fin |
| C. | Pectoral fin and pelvic fin |
| D. | Caudal fin and dorsal fin |
| Answer» D. Caudal fin and dorsal fin | |
| 31. |
A cell in prophase of mitosis can be distinguished from a cell in prophase-I of meiosis by |
| A. | The presence of only half as many chromosomes in the meiotic cell |
| B. | The formation of tetrads in the meiotic cell |
| C. | The presence of twice as many chromosomes in the meiotic cell |
| D. | None of the above |
| Answer» C. The presence of twice as many chromosomes in the meiotic cell | |
| 32. |
Frogs and toads belongs to order |
| A. | Apoda |
| B. | Anura |
| C. | Stegocephalia |
| D. | Urodela |
| Answer» C. Stegocephalia | |
| 33. |
Sugar and amino acids are [MHCET 2004] |
| A. | Primary metabolites |
| B. | Secondary metabolites |
| C. | Feed stock |
| D. | Inoculum |
| Answer» B. Secondary metabolites | |
| 34. |
Assertion : Ginkgo biloba is a living fossil. Reason : Organism which have persisted and remain unchanged for the past several million years while their relative disappeared. [AIIMS 2000] |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 35. |
Who used the word "chromosome" [CPMT 1992; MP PMT 1997] |
| A. | Huxley |
| B. | Flemming 1888 |
| C. | Kollikar 1888 |
| D. | Waldeyer 1888 |
| Answer» E. | |
| 36. |
Assertion : Dikaryophase occurs before plasmogamy and karyogamy. Reason : Dikaryons contains two nuclei. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 37. |
The twenty third pair of chromosomes in man is known as [MP PMT 2002] |
| A. | Chromatid |
| B. | Heterosome |
| C. | Autosome |
| D. | Gene |
| Answer» C. Autosome | |
| 38. |
Assertion : Nematodes are different from flatworms. Reason : Nematodes are commonly called round worms. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 39. |
Meningitis a disease is responsible for membrane damage of the brain is caused by [JIPMER 1986] |
| A. | A fungus |
| B. | Bacillus |
| C. | Neisseria |
| D. | Bordetella |
| Answer» D. Bordetella | |
| 40. |
Identify the incorrect statement among the following statements on the effects of deforestation [CBSE PMT 1994] |
| A. | It destroys the natural habitat of wild animals |
| B. | It alters the local weather patterns |
| C. | It speeds up nutrient recycling |
| D. | It leads to soil erosion |
| Answer» D. It leads to soil erosion | |
| 41. |
Alginic acid is obtained from [HP PMT 2005] |
| A. | Red algae |
| B. | Green algae |
| C. | Diatoms |
| D. | Brown algae |
| Answer» E. | |
| 42. |
Which of the following mammals lacks corpus callosum [MP PMT 2000] |
| A. | Macaca |
| B. | Macropus |
| C. | Balaenoptera |
| D. | Ornithorhynchus |
| Answer» E. | |
| 43. |
'Maltase cross' is found in |
| A. | Brain of shark |
| B. | Intestine of shark |
| C. | Vertebra of shark |
| D. | Teeth of shark |
| Answer» D. Teeth of shark | |
| 44. |
Social forestry is useful in yielding [Pb. PMT 2003] |
| A. | Floriculture |
| B. | Timber |
| C. | Medicines |
| D. | Multipurpose uses |
| Answer» E. | |
| 45. |
Assertion : Broad spectrum antibiotics are produced by streptomyces. Reason : They can destroy microorganisms by inhibiting DNA replication or protein synthesis. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 46. |
'Central Public Health Engineering Research Institute' is situated at |
| A. | Delhi |
| B. | Bombay |
| C. | Nagpur |
| D. | Bihar |
| Answer» D. Bihar | |
| 47. |
Assertion : Ribosomes came to our knowledge after the discovery of electron microscope. Reason : Electron microscope has a high magnification and resolving power. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 48. |
Assertion : The inner membrane of mitochondria contains systems involving electron transport. Reason : The mitochondrial matrix contains enzymes of Kreb's cycle. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 49. |
Assertion : Bones possess longitudinal canals called lacunae. Reason : Lacunae carry blood vessels & nerves to the bones. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» E. If the assertion is false but reason is true | |
| 50. |
Egg-laying mammals are grouped as [Pune CET 1998] |
| A. | Eutheria |
| B. | Prototheria |
| C. | Rodentia |
| D. | Metatheria |
| Answer» C. Rodentia | |