Science & Tech GK Note

Q.1> āĻŦāĻ°ā§āĻœā§āϝāϕ⧇ āĻĒāϚāĻŋāϝāĻŧ⧇ āĻ•ā§āώ⧁āĻĻā§āϰ āĻ•āĻŖāĻžāϝāĻŧ āĻĒāϰāĻŋāĻŖāϤ āĻ•āϰāĻžāϰ āϜāĻ¨ā§āϝ āϕ⧇ āĻĻāĻžāϝāĻŧā§€? (Who is responsible for decomposing waste into smaller particles?)

Q.2> āϜāĻžāύāĻžāϞāĻž āĻĒāϰāĻŋāĻˇā§āĻ•āĻžāϰāĻ•āϗ⧁āϞāĻŋāϤ⧇ āϏāĻžāϧāĻžāϰāĻŖāϤ āϝ⧇ āĻ•ā§āώāĻžāϰ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ āϤāĻžāϰ āύāĻžāĻŽ āϕ⧀? (What is the name of the alkali commonly found in window cleaners?)

Q.3> āϏāĻžāĻĻāĻž-āĻ•āĻžāϞ⧋ āĻĢāĻŸā§‹āĻ—ā§āϰāĻžāĻĢāĻŋāϤ⧇ āϕ⧋āύ āϧāĻžāϤ⧁āĻ°Â  āϝ⧌āĻ— āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āĻšāϝāĻŧ? (Compounds of which metal are used in black and white photography?)

Q.4> āĻĒā§āϰāϤāĻŋ āĻāĻ•āĻ• āϏāĻŽāϝāĻŧ⧇ āϕ⧋āύ⧋ āĻŦāĻ¸ā§āϤ⧁āϰ āĻŦ⧇āϗ⧇āϰ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ⧇āϰ āĻšāĻžāϰāϕ⧇ āϕ⧀ āĻŦāϞāĻž āĻšāϝāĻŧ? (What is the rate of change in the velocity of an object per unit time called?)

Q.5> āĻĢ⧁āĻĄ āĻ—āĻžāχāĻĄ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄā§‡āϰ āĻļā§€āĻ°ā§āώ⧇ āϕ⧀ āĻ¸ā§āĻĨāĻžāĻĒāύ āĻ•āϰāĻž āĻšāϝāĻŧ⧇āϛ⧇? (What is placed at the top of the Food Guide Pyramid?)

Q.6> āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻ…āĻŦāĻžāϧ⧇ āϏāĻ‚āĻ—āĻ āĻŋāϤ āĻĒāϰāĻŋāĻŦāĻžāĻšā§€ āύāϞ āĻšāĻŋāϏ⧇āĻŦ⧇ āĻ•āϤ āϧāϰāϪ⧇āϰ āĻĒāĻĨ āϤ⧈āϰāĻŋ āĻšāϝāĻŧ? (How many types of pathways are formed in plants as freely organized conducting tubes?)

Q.7> āĻŦ⧈āĻĻā§āϝ⧁āϤāĻŋāĻ• āĻ­ā§‹āĻ˛ā§āĻŸā§‡āϜ āĻĒāϰāĻŋāĻŽāĻžāĻĒ⧇āϰ āϜāĻ¨ā§āϝ SI āĻāĻ•āĻ• āϕ⧀ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āĻšāϝāĻŧ? (What is the SI unit used to measure electric voltage?)

Q.8> āĻāĻ•āϟāĻŋ āĻ•ā§āώāĻžāϰ āϞāĻžāϞ āϞāĻŋāϟāĻŽāĻžāϏ āĻ•āĻžāĻ—āϜāϕ⧇ āϕ⧋āύ āϰāϙ⧇ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻ•āϰ⧇? (What color does a base change red litmus paper to?)

Q.9> āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϜāϞāϜ āĻĒā§āϰāĻžāĻŖā§€āĻĻ⧇āϰ āĻĒāĻžāύāĻŋāϰ āύāĻŋāĻšā§‡ āĻļā§āĻŦāĻžāϏ āύ⧇āĻ“āϝāĻŧāĻžāϰ āĻĒā§āϰāϝāĻŧā§‹āϜāύ āĻšāϝāĻŧ? (Which of the following do aquatic animals require to breathe underwater?)

Q.10> āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋāϕ⧇ āĻ–āĻžāĻĻā§āϝ⧇āϰ āĻ­ā§āϰāĻžāĻŽā§āϝāĻŽāĻžāĻŖ āĻ‰ā§ŽāϏ āĻšāĻŋāϏ⧇āĻŦ⧇ āĻŦāĻŋāĻŦ⧇āϚāύāĻž āĻ•āϰāĻž āĻšāϝāĻŧ? (Which of the following is considered a mobile source of food?)

Q.11> āĻ­āĻŋāϝāĻŧ⧇āύāĻž āĻ•āύāϭ⧇āύāĻļāύ āϕ⧋āύ āĻŦāĻŋāώāϝāĻŧ āĻŦāĻž āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇āϰ āϏāĻžāĻĨ⧇ āϏāĻŽā§āĻĒāĻ°ā§āĻ•āĻŋāϤ? (The Vienna Convention is associated with which subject or area?)

Q.12> āĻ­ā§‚āĻŽāĻŋāĻ•āĻŽā§āĻĒ⧇āϰ āĻĢāϞ⧇ āϏ⧃āĻˇā§āϟ āĻ•āĻŽā§āĻĒāύ āĻĒāϰāĻŋāĻŽāĻžāĻĒ āĻ•āϰāϤ⧇ āϕ⧋āύ āϝāĻ¨ā§āĻ¤ā§āϰ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āĻšāϝāĻŧ? (Which instrument is used to measure the vibrations caused by an earthquake?)

Q.13> āύāĻžāϰāϕ⧇āϞ⧇āϰ āϤāĻ¨ā§āϤ⧁āϝ⧁āĻ•ā§āϤ āĻ–ā§‹āϏāĻž āϕ⧋āύ āϧāϰāϪ⧇āϰ āϟāĻŋāĻ¸ā§āϝ⧁ āĻĻāĻŋāϝāĻŧ⧇ āϤ⧈āϰāĻŋ? (The fibrous peel of a coconut is made up of which type of tissue?)

Q.14> āĻĒāĻžāχāύāĻžāϞ āĻ—ā§āϰāĻ¨ā§āĻĨāĻŋ āϕ⧋āύ āĻšāϰāĻŽā§‹āύ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻ•āϰ⧇? (Which hormone is produced by the pineal gland?)

Q.15> āĻāĻ•āϟāĻŋ āĻ¸ā§āĻĨāϞāϜ āĻŦāĻžāĻ¸ā§āϤ⧁āϤāĻ¨ā§āĻ¤ā§āϰ⧇, āϏāĻŦ⧁āϜ āωāĻĻā§āĻ­āĻŋāĻĻ āϤāĻžāĻĻ⧇āϰ āĻĒāĻžāϤāĻžāϝāĻŧ āϝ⧇ āϏ⧂āĻ°ā§āϝāĻžāϞ⧋āĻ• āĻļāĻ•ā§āϤāĻŋ āĻĒāĻĄāĻŧ⧇ āϤāĻžāϰ āĻĒā§āϰāĻžāϝāĻŧ āĻ•āϤ āĻļāϤāĻžāĻ‚āĻļ āĻļā§‹āώāĻŖ āĻ•āϰ⧇? (In a terrestrial ecosystem, green plants absorb approximately what percentage of the sunlight energy that falls on their leaves?)

Q.16> āĻāĻĄāĻŋāϏ āĻŽāĻļāĻž āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻžāĻšāĻŋāϤ āĻ­āĻžāχāϰāĻžāϏ āĻĻā§āĻŦāĻžāϰāĻž āϕ⧋āύ āϰ⧋āĻ— āϏāĻ‚āĻ•ā§āϰāĻžāĻŽāĻŋāϤ āĻšāϝāĻŧ? (Which disease is transmitted by a virus carried by Aedes mosquitoes?)

Q.17> ‘āύ⧀āϞāĻž āĻĨā§‹āĻĨāĻž’ āĻāϰ āϰāĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āύāĻžāĻŽ āϕ⧀? (What is the chemical name of ‘Neela Thotha’?)

Q.18> āĻŦ⧇āĻ•āĻŋāĻ‚ āϏ⧋āĻĄāĻžāϰ āφāĻŖāĻŦāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ āϕ⧀? (What is the molecular formula of baking soda?)

Q.19> āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ⧇āϰ āφāύ⧁āĻŽāĻžāύāĻŋāĻ• āĻĒāĻžāϰāĻŽāĻžāĻŖāĻŦāĻŋāĻ• āĻ­āϰ āĻ•āϤ? (What is the approximate atomic mass of hydrogen?)

Q.20> āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϕ⧋āώ āĻ…āĻ°ā§āĻ—āĻžāύ⧇āϞāϕ⧇ āϕ⧋āώ⧇āϰ ‘āφāĻ¤ā§āĻŽāĻšāĻ¤ā§āϝāĻž āĻŦā§āϝāĻžāĻ—’ āĻŦāϞāĻž āĻšāϝāĻŧ? (Which of the following cell organelles is referred to as the ‘suicide bag’ of the cell?)

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