Social Science 1 Marks Each

When thousands of people become victims to a viral disease in a wide area, this situation is known as a 'Epidemic Situation'.

The landslides occur especially in mountainous areas.

The severe and destructive fire which spreads over the forests or in the grasslands is called 'forest fire'.

The disaster that is caused by the natural forces or circumstances is called 'natural disaster'.

The accidents are likely to occur in the industrial units while handling small and big machines, while transferring the raw materials used for production and also while storing or transferring the finished goods.

Strict measures like lockdown, quarantine the infected or outsider citizen. ban on travels and night curfew, etc. are taken to prevent the infection of the viral disease spreading elsewhere.

The number of virus affected people increases much faster the common diseases and large number of people die. This is the main characteristic of viral (virus-borne) discases.

Ebola,swine flu dengue, corona, etc.are viral (virus-borne) diseases.

During last few years, the incidents of locust attacks have occurred in Kachchh. Patan,Banaskantha Surendranagar and Mahesana districts of Gujarat

Gujarat and Rajasthan are the major states affected by the locust hazard in India.

The farmers play the dhol-nagara (small and large drums) or dishes (metalled) and make loud noises to repel (stop) the locusts from entering into the fields.

The deseri locusts are known as the yoracious locusts because of their habit of eating equal to their own weight.

The species of locusts that attack Gujarat are found in India. Pakistan and in some arid Countries of Africa.

The incidents of landslide rarely occurs at Saputara in Dangs district. at Idar in Sabarkantha district and at Ambaji Danta, etc. places of Banaskantha district.

Kumaon and Garhwal in Uttarakhand state and Darjeeling in West Bengal are major areas influenced by landslides in India.

The phenomena of collapsing of land e. sudden fall of a mass of earth, rock, etc is known as 'landslide'.

The incidents of fire have been reported n the forests on the slopes of the Himalayas and in the forests of South India.

Earthquake, volcano, forest fire, landslide etc. are natural disasters which cannot be predicted.

Flood. cyclone, tsunami, locust hazard, epidemic, etc. are natural disasters which can be predicted.

Fire, riots. bomb blast, industrial accident. etc. are man-made problems.

Flood. cyclone (storm). tsunami. locust hazard. epidemic, earthquake. volcano. forest fire, landslide, etc. are natural disasters.