General Science Questions Practice Question and Answer
8Q: Which of the following is an air pollutant? 1156 05b5cc5ffe4d2b4197774b3ef
5b5cc5ffe4d2b4197774b3ef- 1Sulphur dioxidetrue
- 2Ozonefalse
- 3Water vapourfalse
- 4Nitric oxidefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Sulphur dioxide"
Explanation :
Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans. Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution. In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.
Q: Which of the following statements about water is false? 1691 05b5cc601e4d2b4197774b462
5b5cc601e4d2b4197774b462- 1There is extensive intramolecular hydrogen bonding in the condensed phase.true
- 2Water is oxidized to oxygen during photosynthesis.false
- 3Ice formed by heavy water sinks in normal water.false
- 4Water can act both as an acid and as a base.false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "There is extensive intramolecular hydrogen bonding in the condensed phase."
Explanation :
Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase. Explanation: Water possess intermolecular hydrogen bonding in the condensed phase. Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.
Q: Which of the following does not influence haemoglobin saturation? 1060 05b5cc695e4d2b4197774c4f1
5b5cc695e4d2b4197774c4f1- 1Nitric oxidetrue
- 2Carbon dioxidefalse
- 3Temperaturefalse
- 4DPGfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Nitric oxide"
Explanation :
Answer: A) Nitric oxide Explanation:
Q: Who is regarded as father of modern chemistry ? 1463 05c2dbb7eaea81766da94cac5
5c2dbb7eaea81766da94cac5- 1Ruterfordfalse
- 2Einsteinfalse
- 3Lavoisiertrue
- 4C V Ramanfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Lavoisier"
Q: Galvanised iron sheets have a coating of
1090 15d777a30315eb75b1463e6a7
5d777a30315eb75b1463e6a7- 1leadfalse
- 2chromiumfalse
- 3zinctrue
- 4tinfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "zinc"
Q: Plant which does not bear flower but have seed–
1902 05db957e833aa9436e0e3e8ef
5db957e833aa9436e0e3e8ef- 1Orchidesfalse
- 2Gymnopermtrue
- 3Angiospermfalse
- 4Crytogamusfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Gymnoperm"
Q: Which part of the nervous system controls the activities of internal organs?
4421 05df9dcd736644b47cbaf19da
5df9dcd736644b47cbaf19da- 1Spinal cordfalse
- 2Cerebrumfalse
- 3Cerebellumfalse
- 4Medulla Oblongatatrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Medulla Oblongata "
Q: Literal meaning of the term " Home sapiens " is
1025 05e81fefe1425f51f3ace032f
5e81fefe1425f51f3ace032f- 1Man - The Wisetrue
- 2Man - The supremefalse
- 3Man - the omnivorefalse
- 4Man - the foolfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice