General Science Questions Practice Question and Answer
8 Q: If the image formed in a mirror is always erect, equal in size to the object, then the mirror is?
929 063b567e2f2c35e422dc74e31
63b567e2f2c35e422dc74e31- 1concavefalse
- 2convexfalse
- 3Flattrue
- 4None of thesefalse
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Answer : 3. "Flat"
Explanation :
If the image formed in a mirror is always erect (upright) and equal in size to the object, the mirror is a flat mirror (plane mirror). Flat mirrors reflect light without distorting the image, producing an erect image that is the same size as the object and reversed from left to right.
Q: Which of the following represents a correct food chain?
928 06189e70852f0e406ab83c9f3
6189e70852f0e406ab83c9f3- 1Frog → eagle → insects → grass → snakefalse
- 2Grass → insects → frog → snake → eagletrue
- 3Grass→ frog → insects → eagle→ snakefalse
- 4Frog → snake → insects → grass → eaglefalse
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Answer : 2. "Grass → insects → frog → snake → eagle "
Q: who invented dynamite?
928 061af3f4e6131eb2319cb92ae
61af3f4e6131eb2319cb92ae- 1Alfred Nobeltrue
- 2Thomas Alva Edisonfalse
- 3Galileo Galileifalse
- 4Charles Darwinfalse
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Answer : 1. "Alfred Nobel"
Q: Litmus is obtained from-
927 063b6c63d61d62119f1a1daaa
63b6c63d61d62119f1a1daaa- 1from bacteriafalse
- 2from algaefalse
- 3from fungusfalse
- 4from lichentrue
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Answer : 4. "from lichen"
Explanation :
Litmus is obtained from lichens, which are composite organisms formed from a symbiotic relationship between a fungus and an alga or cyanobacterium. Litmus is a water-soluble mixture of different dyes extracted from lichens, primarily Roccella tinctoria and Roccella fuciformis. It is commonly used as a pH indicator in laboratories to test the acidity or alkalinity of solutions.
Q: Which of the following is used as a coolant in nuclear reactors?
926 0606c2375c476de27c7b19925
606c2375c476de27c7b19925- 1calciumfalse
- 2Graphitefalse
- 3Heavy watertrue
- 4Cadmiumfalse
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Answer : 3. "Heavy water"
Q: Which food group is richest in energy in terms of kCal per gram?
920 06284e527d84556078ac79217
6284e527d84556078ac79217- 1Cereal , Millet and Pulsesfalse
- 2Vegetables and Fruitsfalse
- 3Milk and Milk products , Egg , Meat and Fishesfalse
- 4Oil & Fats and Nuts & Oilseedstrue
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Answer : 4. "Oil & Fats and Nuts & Oilseeds "
Q: The pregnancy period of Cat and Dog is approximately-
919 0608b84b55c992217d5815c0f
608b84b55c992217d5815c0f- 121 dayfalse
- 2150 dayfalse
- 3114 dayfalse
- 463 daytrue
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Answer : 4. "63 day "
Q: The Drone in honey-bee are
918 06389c853c878936066e7b952
6389c853c878936066e7b952- 1Fertile maletrue
- 2Fertile femalefalse
- 3Sterile malefalse
- 4Sterile femalefalse
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