#ssc 10th
- Which of the following is an example of ex-situ conservation? Answer: C. Zoo A zoo protects animals outside their natural habitat. 1
- Which of the following is a major threat to biodiversity? Answer: C. Habitat destruction Destroying natural habitats is a major cause of loss of species; the others help conservation. 1
- A wind turbine converts Answer: D. kinetic energy of wind into electrical energy Moving wind turns the turbine blades; the generator converts this kinetic energy in... 1
- The fuel commonly used in nuclear power plants is Answer: A. uranium Uranium-235 undergoes fission in nuclear reactors. 1
- The bat belongs to the class Answer: B. Mammalia Bats have hair and mammary glands and give birth to young ones, so they are mammals even though they fly. 1
- A notochord is present at some stage of life in all Answer: B. chordates The notochord is the defining feature of chordates. 1
- The snail belongs to the phylum Answer: C. Mollusca The snail is a soft-bodied animal with a shell, phylum Mollusca. 1
- Rhizobium bacteria found in the root nodules of leguminous plants Answer: A. fix atmospheric nitrogen Rhizobium converts atmospheric nitrogen into nitrogen compounds that the plant can use. 1
- Wine is produced by the fermentation of grape juice by Answer: D. yeast Yeast ferments the sugars in grape juice into ethanol. 1
- The magnitude of an earthquake is measured on the Answer: C. Richter scale Earthquake magnitude is expressed on the Richter scale, using a seismograph. 1
- A fire caused by an electrical short circuit should NOT be extinguished using Answer: A. water Water conducts electricity and can cause electric shock, so it must not be used on electrical fires. 1
- The Disaster Management Act of India was passed in Answer: A. 2005 The Disaster Management Act was enacted in 2005. 1
- During an earthquake, if you are inside a building, you should Answer: C. drop, take cover under a strong table and hold on 'Drop, cover and hold' protects you from falling objects. 1
- CPR stands for Answer: B. Cardio-Pulmonary Resuscitation CPR is Cardio-Pulmonary Resuscitation, given when breathing or heartbeat has stopped. 1
- Which of the following is a man-made disaster? Answer: D. Industrial gas leak An industrial gas leak results from human activity; the others are natural disasters. 1
- A tsunami is mainly caused by Answer: C. an earthquake under the sea Earthquakes on the sea floor displace water and produce tsunami waves. 1
- In CPR for an adult, the ratio of chest compressions to rescue breaths is Answer: C. 30 : 2 30 chest compressions are followed by 2 rescue breaths, and the cycle is repeated. 1
- Conducting mock drills in schools is part of which stage of disaster management? Answer: B. Preparedness (before the disaster) Mock drills prepare people to act correctly when a disaster strikes. 1
- The gas that leaked in the Bhopal gas tragedy of 1984 was Answer: A. methyl isocyanate Methyl isocyanate (MIC) leaked from a pesticide factory in Bhopal in 1984. 1
- World Environment Day is celebrated on Answer: A. 5th June World Environment Day is observed every year on 5th June. 1
- Which of the following regions of India is a biodiversity hotspot? Answer: C. Western Ghats The Western Ghats are a biodiversity hotspot, rich in endemic species. 1
- The Red Data Book listing threatened species is published by Answer: C. IUCN The International Union for Conservation of Nature (IUCN) publishes the Red Data Book (Red List). 1
- Which of the following is NOT one of the three levels of biodiversity? Answer: C. Cellular diversity Biodiversity is studied at three levels: genetic, species and ecosystem diversity. 1
- Conserving organisms in their natural habitat, such as in national parks and sanctuaries, is called Answer: A. in-situ conservation In-situ means 'in the original place'. National parks, sanctuaries and sacred groves are examples. 1