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Explore 26 free Science & Technology questions in Delhi Police SI Science. Each question opens with answer choices, the correct answer and a worked solution.
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Showing questions 1–26 of 26.
The organisms "Cicada, Froghopper and Pond skater" are :Read the answer and worked solution →Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow?Read the answer and worked solution →“Membrane Bioreactors” are often discussed in the context of :Read the answer and worked solution →Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?Read the answer and worked solution →Which one of the following countries has its own Satellite Navigation System?Read the answer and worked solution →Which one of the following is the context in which the term "qubit" is mentioned?Read the answer and worked solution →Bollgard I and Bollgard II technologies are mentioned in the context ofRead the answer and worked solution →Water can dissolve more substances than any other liquid becauseRead the answer and worked solution →Which one of the following is a reason why astronomical distances are measured in light-years?Read the answer and worked solution →In India, the term "Public Key Infrastructure" is used in the context ofRead the answer and worked solution →The terms 'WannaCry, Petya and EternalBlue' sometimes mentioned in the news recently are related toRead the answer and worked solution →What is the application of Somatic Cell Nuclear Transfer Technology?Read the answer and worked solution →Which one of the following is the best description of 'INS Astradharini', that was in the news recently?Read the answer and worked solution →The term 'Goldilocks Zone' is often seen in the news in the context ofRead the answer and worked solution →H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?Read the answer and worked solution →Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association ofRead the answer and worked solution →The function of heavy water in a nuclear reactor is toRead the answer and worked solution →Newton's Second Law of Motion is mathematically:Read the answer and worked solution →The refractive index of a medium is defined as:Read the answer and worked solution →Standard Indian household electricity supply is:Read the answer and worked solution →In the modern periodic table, elements are arranged by:Read the answer and worked solution →The pH of a NEUTRAL solution (pure water at 25°C) is:Read the answer and worked solution →At room temperature, the only metal that exists in the LIQUID state is:Read the answer and worked solution →The 'powerhouse of the cell' that produces ATP for energy is:Read the answer and worked solution →The double-helix structure of DNA was discovered by:Read the answer and worked solution →Chandrayaan-3 (India's lunar mission) achieved a historic FIRST in 2023 by:Read the answer and worked solution →
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