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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Egg laying mammals are mostly native ofA. IndiaB. AustraliaC. AfricaD. Arabia |
| Answer» Correct Answer - B | |
| 2. |
9:6:1 `F_(2)` generation ratio is obtained in case ofA. Polymeric genesB. Pleiotropic genesC. Supplementary genesD. Recessive epistasis |
| Answer» Correct Answer - A | |
| 3. |
Buttress roots areA. AerialB. UndergroundC. AquaticD. Horizontal |
| Answer» Correct Answer - D | |
| 4. |
Largest bud is ofA. CabbageB. CauliflowerC. AgaveD. Onion |
| Answer» Correct Answer - A | |
| 5. |
Which one of the following pairs is not correct matched?A. Production of sulphur - Burning of coalB. Depletion of ozone - Release of CFCs in the atmosphereC. Eutrophication - Increase in nitrogen and phosphorus content in aquatic bodiesD. Decrease in BOD of pond water - Increase in global temperature |
| Answer» Correct Answer - D | |
| 6. |
What will happen if thyroid is removed from a tadpole ?A. The adpole will grow into dwar frogB. The larva will produce giant frogC. It will continue indefintiely in larval stageD. The larva will die |
| Answer» Correct Answer - C | |
| 7. |
Continued secretion of milk is maintained byA. ProlactinB. LHC. RelaxinD. STH |
| Answer» Correct Answer - A | |
| 8. |
Memory cells are produced byA. T-lymphocytesB. B-lymphocytesC. MonocytesD. Neutrophils |
| Answer» Correct Answer - B | |
| 9. |
Winged fruits occure inA. LagerstroemiaB. Middle cellC. EpiblestD. Suspensor |
| Answer» Correct Answer - D | |
| 10. |
Ochreate stipules occure in the familyA. CruciferaeB. SolanaceaeC. CompositaeD. Polygonaceae |
| Answer» Correct Answer - D | |
| 11. |
Menopause occure in females at the age ofA. 55-60 yearsB. 50-55 yearsC. 45-50 yearsD. 37-42 years |
| Answer» Correct Answer - C | |
| 12. |
Spraying of pesticide is an example ofA. Point source water pollutionB. Diffuse water pollutionC. Both (1) & (2)D. Pyrolysis |
| Answer» Correct Answer - B | |
| 13. |
The most famous pesticide of world isA. 2,4-DB. 2,4,5-TC. DDTD. PAN |
| Answer» Correct Answer - C | |
| 14. |
The most abundant antibodies areA. IgGB. IgAC. IgED. IgM |
| Answer» Correct Answer - A | |
| 15. |
Trihybrid ratio isA. 27:9:9:9:3:3:3:1B. 27:9:9:6:6:3:3:1C. 1:6:15:20:15:6:1D. 36:6:6:6:3:3:3:1 |
| Answer» Correct Answer - A | |
| 16. |
Blood groups of a couple are AB and O. the possible blood groups of children would beA. O group onlyB. AB blood groupC. A or B groupD. AB and O group only |
| Answer» Correct Answer - C | |
| 17. |
Hybrid vigour is due toA. Mixing of traits of male and femaleB. Homozygosity in gamete stateC. Superiority of genesD. Heterozygosity |
| Answer» Correct Answer - D | |
| 18. |
Which disinfectant cannot be used in drinking water?A. ChlorineB. OzoneC. ChloramineD. Phenyl |
| Answer» Correct Answer - D | |
| 19. |
_________ radiation damages DNA. |
| Answer» Correct Answer - UV | |
| 20. |
Reduction of noise in our industries can be affected byA. Muffling noiseB. Use of sound-absorbent materialsC. Both A and BD. None of the above |
|
Answer» Correct Answer - C Reduction of noise in our industries can be affected by muffling noise and use of sound-absorbent materials. |
|
| 21. |
How do algal blooms affect the life in water bodies? |
| Answer» Algal blooms cut off light of submerged plants leading to their death. Algal blooms cause deterioration of water quality and mortality of fish. | |
| 22. |
All oraganisms can not tolerate a wide range of salinities. |
| Answer» Correct Answer - T | |
| 23. |
Water potential and osmotic potential of pure water areA. Zero and zeroB. 100 and zeroC. 100 and 100D. zero and 100 |
| Answer» Correct Answer - A | |
| 24. |
An antitranspirant isA. Pheny mercuric acidB. Abscisic acidC. Salicylic acidD. All the above |
| Answer» Correct Answer - D | |
| 25. |
Phytohormore connected with closing of stomata isA. ABAB. KinetinC. GAD. IBA |
| Answer» Correct Answer - A | |
| 26. |
Chlorosis results from deficiency ofA. ChlorineB. SodiumC. CalciumD. Magnesium |
| Answer» Correct Answer - D | |
| 27. |
The first stable product in `CAM//C_(4)` plants isA. StarchB. Oxalo-acetic acidC. SugarD. Malic acid |
| Answer» Correct Answer - D | |
| 28. |
Decline in quantum yields was noticed by Emersion at a wavelength ofA. 400 -450 nmB. 600 -650 nmC. 650 - 680 nmD. More than 680 nm |
| Answer» Correct Answer - D | |
| 29. |
Electrondonor to PS I isA. FerredoxinB. FeS centreC. PlastoquinoneD. Plastocyanin |
| Answer» Correct Answer - D | |
| 30. |
Taenia coli are constituent ofA. IleumB. CaecumC. RectumD. Colon |
| Answer» Correct Answer - D | |
| 31. |
Recombinant DNA or r DNA technology was discovered byA. Watson and CrickB. Sutton and AveryC. Cohen and BoyerD. Bateson and de Vries |
| Answer» Correct Answer - C | |
| 32. |
The family in which many plants are `C_(4)` typeA. PapayaB. PeaC. PotatoD. Maize/corm |
| Answer» Correct Answer - D | |
| 33. |
The ventilation movements of the lungs in mammals are governed byA. Muscular wall of the lungsB. Intercostal musclesC. DiaphragmD. Diaphragm and intercostal muscles |
| Answer» Correct Answer - D | |
| 34. |
Photoperidism was discovered byA. Van OverbeekB. LysenkoC. Garnar and AllardD. Boysen- Jensen and Paal |
| Answer» Correct Answer - C | |
| 35. |
The dissociation curve is associated withA. Carbonic of erythrocytesB. Carbon dioxideC. OxygenD. Oxyhaemoglobin |
| Answer» Correct Answer - D | |
| 36. |
Which initiated study in population geneticsA. Hardy - Weinberg lawB. LamarckismC. DarwinismD. Palaeontology |
| Answer» Correct Answer - A | |
| 37. |
The coagulation of blood occurs due toA. Destruction of erythrocytesB. Destruction of leucocytesC. Change of fibrinogen into fibrinD. Formation of serum |
| Answer» Correct Answer - C | |
| 38. |
Heart beat is initiated byA. A V nodeB. SA nodeC. Bundle of HisD. Purkinje fibres |
| Answer» Correct Answer - B | |
| 39. |
Which one is the common anticoagulant used for preserving blood?A. NaClB. Sodium oxalateC. KClD. Thromboplastin |
| Answer» Correct Answer - B | |
| 40. |
Increase in the BOD of water reservoir is due toA. AlgaeB. SoilC. MossD. Waste product |
| Answer» Correct Answer - D | |
| 41. |
Lead concentration of blood is considered alarming atA. 30 mg/ 100 mlB. 4-6 mg/100 mlC. 10 mg/100 mlD. 20 mg/100ml |
| Answer» Correct Answer - A | |
| 42. |
Select the correct option w.r.t. thermal pollutionA. Speeds up biodegradation of organic matterB. Death of temperature sensitive organismsC. It increases rate of metabolism and microbial activityD. All of these |
| Answer» Correct Answer - D | |
| 43. |
In which of the following , phloem occurs in two patches ?A. MaizeB. CucurbitaC. SunflowerD. Dracaena |
| Answer» Correct Answer - B | |
| 44. |
Non-cellular layer that connects epithelium to connective tissue isA. Basement membraneB. EpidermisC. DermisD. Cell junction |
| Answer» Correct Answer - A | |
| 45. |
Pith is produced by the activity ofA. Lateral meristemB. ProtodermC. ProcambicumD. Ground meristem |
| Answer» Correct Answer - D | |
| 46. |
Cold blooded animal with a single circulation isA. FishB. AmpibianC. ReptileD. All the abovse |
| Answer» Correct Answer - A | |
| 47. |
Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is calledA. Green mufflerB. Shelter beltC. Wind breakD. Both B and C |
| Answer» Correct Answer - A | |
| 48. |
Sonic boom is a suddenA. Loud noise by passing trainB. sound of overlying helicopterC. vibrations by overflying supersonic jetD. continuous sound by industrial and commercial areas. |
| Answer» Correct Answer - C | |
| 49. |
Hypersonics is connected with sound ofA. More than 1 machB. more than 5 machsC. less than 20 HzD. more than 20000 Hz |
| Answer» Correct Answer - B | |
| 50. |
Stamens of Jowar areA. DorsifixedB. VersatileC. BasifixedD. Adnate |
| Answer» Correct Answer - B | |