Top 100 Important Everyday Science Mcqs Set-10 61- What is the smallest unit of heredity? A. GeneB. ChromosomesC. NucleotidesD. None of these View Answer Answer : A. Gene Description 62- The echo of Big Bang can be heard in the form of: A. Gamma rays B. Cosmic rays C. Infrared radiationsD. Microwave radio signals View Answer Answer : D. Microwave radio signals Description 63- Omar Khayyam was a: A. PoetB. MathematicianC. AstronomerD. All of these View Answer Answer : D. All of these Description 64- Who was the early dentist and also inventor of many surgical instruments? A. Al-JahizB. AvicennaC. Al-ZahrawiD. Ibn-ul-Haytham View Answer Answer : C. Al-Zahrawi Description 65- Who was the first Muslim mathematician who used "Zero"? A. Ibn-E-BaitarB. Ibn-e-RushdC. Ibn-Al-HaithamD. Al-Khwarizmi View Answer Answer : D. Al-Khwarizmi Description 66- The part of the eye that controls the amount of light entering is: A. PupilB. LensC. CorneaD. Retina View Answer Answer : A. Pupil Description 67- A shooting star is: A. SunB. A comet C. A meteorD. An asteroid View Answer Answer : C. A meteor Description 68- What is Hubble Classification? A. Classification of stars B. Classification of plantsC. Classification of galaxiesD. Classification of earth’s zones View Answer Answer : C. Classification of galaxies Description 69- From ecological point of view human beings are taken as: A. ConsumersB. DecomposerC. ProducersD. All of these View Answer Answer : A. Consumers Description 70- The major cause of land pollution is: A. PesticidesB. Chemical fertilizerC. InsecticidesD. All of these View Answer Answer : D. All of these Description 71- Flesh eaters are called: A. CarnivoresB. OmnivoresC. HerbivoresD. Scavengers View Answer Answer : A. Carnivores Description 72- Chromosomes are made up of: A. DNA & RNAB. DNA only C. Proteins onlyD. DNA, RNA & Proteins View Answer Answer : D. DNA, RNA & Proteins Description 73- Plants can be made disease resistant by: A. Heat Treatment B. Hormone TreatmentC. Colchicine treatmentD. Breeding with their wild relatives View Answer Answer : D. Breeding with their wild relatives Description 74- Important ingredient used in Vicks vapor rub is obtained from the plant: A. Cinnamomum camphoraB. Cinnamomum zeylanicumC. Curcuma longaD. All of these View Answer Answer : A. Cinnamomum camphora Description 75- Which of the following is both endocrine and exocrine gland? A. ThyroidB. PancreasC. ParathyroidD. All of these View Answer Answer : B. Pancreas Description 76- The process by which small amount of impurities are added into a semiconductor: A. AdditionB. ConductionC. DopingD. Insulating View Answer Answer : C. Doping Description 77- Which of the following is a semiconductor? A. MercuryB. MagnesiumC. SiliconeD. None of these View Answer Answer : C. Silicone Description 78- Silverfish belongs to: A. FishB. InsectC. ReptileD. Amphibian View Answer Answer : B. Insect Description 79- Satiety is the condition in which patient lacks desire to: A. EatB. DrinkC. SleepD. Talk View Answer Answer : A. Eat Description 80- Function of iron in our body is: A. BreakdownB. Help in hydrolysisC. Provide strengthD. Oxygen transport View Answer Answer : D. Oxygen transport Description 1 2 3 4 5