Science GK Practice Question and Answer
8 Q: Whose register is the montrix record?
2879 05f60427d2eed863f3a805bfb
5f60427d2eed863f3a805bfb- 1Dangerous foreign speciesfalse
- 2endangered wild speciesfalse
- 3Aquatic places at risk under anthropogenic activitiestrue
- 4None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Aquatic places at risk under anthropogenic activities"
Explanation :
The Montreux Record is a register of wetland sites on the List of Wetlands of International Importance where changes in ecological character have occurred, are occurring, or are likely to occur as a result of technological developments, pollution or other human interference. It is maintained as part of the Ramsar List.
Q: What is the scientific name for common salt?
2830 05fc9d524b3b23538af75d913
5fc9d524b3b23538af75d913- 1sodium sulfatefalse
- 2sodium chloridefalse
- 3sodium bicarbonatefalse
- 4Ammonium chloridetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Ammonium chloride"
Q: Which is also called Stranger Gas ? 2748 05c2dc058f11ee42b64688fdf
5c2dc058f11ee42b64688fdf- 1Xenontrue
- 2Neonfalse
- 3Argonfalse
- 4Nitrous oxidefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Xenon"
Q: Which have the maximum density ? 2735 05c2dbffa94bba731de8f0a27
5c2dbffa94bba731de8f0a27- 1watertrue
- 2Benzenefalse
- 3Icefalse
- 4Chloroformfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "water"
Q: Which rays are the latest research for use in medicine and war?
2623 05f912ebed6785c0fc0d910b0
5f912ebed6785c0fc0d910b0- 1X raysfalse
- 2Laser raystrue
- 3Gamma raysfalse
- 4cathode raysfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Laser rays"
Q: Which of the following hitting methods has the highest power factor?
2588 05ef417b67c1ec61320b5a6c6
5ef417b67c1ec61320b5a6c6- 1heating resistancetrue
- 2induction heatingfalse
- 3Arc heatingfalse
- 4Dielectric heatingfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "heating resistance"
Explanation :
The correct answer is Resistance Heating. Resistance heating is based on the I2R effect and is highly resistive in nature that's why it has the maximum power factor. Electric resistance heating is defined as “the heat produced by passing an electric current through a material that preferably has high resistance”.
Q: Who propounded the term ecology?
2446 05f60521e09624c19c5c14b7d
5f60521e09624c19c5c14b7d- 1Charles Darwinfalse
- 2Robert Whitakerfalse
- 3Arthur Tansleyfalse
- 4Ernest Hackletrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Ernest Hackle"
Q: Which of the following gas is used in cigarette lighters ? 2436 05c2dc437f11ee42b64688ffd
5c2dc437f11ee42b64688ffd- 1Butanetrue
- 2Propanefalse
- 3Methanefalse
- 4Ethanefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice

