Description : High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes (A) Cancer (B) Silicosis (C) Respiratory disease (e.g., asthma) (D) Reduced crop yield
Last Answer : (A) Cancer
Description : Which of the following is pollution related disorder? (a) Silicosis (b) Pneumonicosis (c) Fluorosis (d) Leprosis
Last Answer : (c) Fluorosis
Description : Industrial workers working in leather tanning & manufacturing units are prone to suffer from (A) Respiratory ailments (e.g. bronchitis) (B) Skin diseases (e.g. dermatitis) (C) Silicosis (D) Blurred vision
Last Answer : (B) Skin diseases (e.g. dermatitis)
Description : Workers working in __________ industry are most prone to white lung cancer. (A) Coal mining (B) Limestone mining (C) Textile (D) Asbestos
Last Answer : (C) Textile
Description : Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. (A) Hydrocarbons (B) Hydrogen fluoride (C) Hydrogen sulphides (D) Nitrogen dioxide
Last Answer : (B) Hydrogen fluoride
Description : mmonium nitrate is (A) Having about 40% N2 (B) Not hygroscopic (C) Not prone to explosive thermal decomposition (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Last Answer : (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Description : Presence of excess fluorine in water causes (A) Dental cavity (B) Tooth decay (C) Fluorosis (D) Respiratory disease
Last Answer : (C) Fluorosis
Description : Inhalation of silica dust causes a disease called (A) Bronchitis (B) Silicosis (C) Pneumoconiosis (D) None of these
Last Answer : (B) Silicosis
Description : Depletion method of depreciation is used in case of– (A) Cattle, Loose Tools, etc. (B) Mines, Quarries, etc. (C) Machinery, Building, etc. (D) Books
Last Answer : Answer: Mines, Quarries, etc.
Description : The highly polished monolithic Ashokan Pillars were carved out of single pieces of a buff-coloured sandstone, usually mined from the quarries of?
Last Answer : Chunar near Mirzapur
Description : Which of the following is a deficiency disease? (1) Asthma (2) Jaundice (3) Scurvy (4) Cancer
Last Answer : (3) Scurvy Explanation: Scurvy is caused by the deficiency of Vitamin C. Vitamin. This causes muscle weakness, joint pain and problems with wound healing. It can also lead to loose teeth, bleeding and swollen gums, easily bruised skin and fatigue, and sometimes depression.
Description : Which of the following is a deficiency disease ? (1) Asthma (2) Jaundice (3) Scurvy (4) Cancer
Last Answer : Scurvy
Description : Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Fusion of limestone and __________ produces high alumina cement. (A) Sand (B) Bauxite (C) Quicklime (D) Calcite
Last Answer : (B) Bauxite
Description : Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these
Last Answer : (C) Slaked lime from quick lime
Description : Fusion of bauxite and __________ produces high alumina cement. (A) Alum (B) Limestone (C) Coke (D) Quartz
Last Answer : (B) Limestone
Description : Production of one ton of cement requires about __________ tons of limestone. (A) 0.6 (B) 1.2 (C) 2.2 (D) 3.8
Last Answer : (B) 1.2
Description : Maximum consumption of limestone is in the __________ industry. (A) Iron and steel (B) Cement (C) Glass (D) Fertiliser
Last Answer : (D) Fertiliser
Description : Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large ... vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis
Last Answer : (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables
Description : Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. (A) Mercury (B) Lead (C) Fluoride (D) Arsenic
Last Answer : (C) Fluoride
Description : TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes (A) Skin disorder (B) Bronchitis (C) Bone disease (D) Cancer
Last Answer : (B) Bronchitis
Description : Consider the following statements: Cement mortars richer than 1 : 3 are not used in masonry work because 1. There is no gain in strength of masonry 2. There is high shrinkage 3. They are prone to segregation Which of these statements ... 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only
Last Answer : (b) 1 and 2 only
Description : (1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco ... limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.
Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved
Description : Which one of the following is used in large quantities in Cement Industry? (1) Gypsum (2) Limestone (3) Coal (4) Clay
Last Answer : (2) Limestone Explanation: Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Limestone is used to produce Portland cement, as aggregate ... products, making it a truly versatile commodity. Portland cement is essential to the building industry.
Description : Limestone is a raw material used by which industry? (1) Aluminium (2) Fertilizers (3) Cement (4) Petrochemicals
Last Answer : (3) Cement Explanation: Limestone is used as a rawmaterial for the manufacture of quicklime (calcium oxide), slaked lime (calcium hydroxide), cement and mortar. Clay and shale are also used as raw materials for the production of cement.
Description : Chemical composition of cement is – (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum
Last Answer : (2) Limestone, Clay and Gypsum Explanation: The two important raw materials used for the preparation of cement are : • Limestone : The chemical formula of limestone is CaCO3 and it is used in the manufacture of cement just to provide CaO.
Description : Cement is formed by strongly heating a mixture of – (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite
Last Answer : (2) limestone and clay Explanation: Cement is made by heating limestone (calcium carbonate) with small quantities of other materials (such as clay) to 1450 degree C in a kiln, in a process known as ... , or quicklime, which is then blended with the other materials that have been included in the mix.
Description : Which is/ are the important raw materials in cement industry? (1) Limestone (2) Gypsum and Clay (3) Clay (4) Limestone and Clay
Last Answer : (4) Limestone and Clay Explanation: Limestone Claimed Clay Cement is a low-carbon alternative to the standard Portland cement. LC3 can reduce CO2 emissions related to cement manufacturing of cement by reducing the amount of clinker, replacing it with limestone and claimed clays.
Description : Chemical composition of cement is (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum
Last Answer : Limestone, Clay and Gypsum
Last Answer : Cement
Description : Cement is formed by strongly heating a mixture of (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite
Last Answer : limestone and clay
Description : Fluorosis is caused due to (A) Excessive intake of fluorine (B) Low intake of fluorine (C) Discoloration of the teeth due to low intake (D) All of these
Last Answer : Answer : A
Description : Fluorosis occurs due to (A) Drinking water containing less than 0.2 ppm of fluorine (B) Drinking water containing high calcium (C) Drinking water containing greater than 1.2 ppm of fluroine (D) Drinking water containing heavy metals
Last Answer : Answer : C
Description : Two conditions of enamel facilitate the post eruptive uptake of fluoride: A. Hyper mineralisation and surface dentine B. Surface demineralisation and hypo mineralisation C. Dental fluorosis and enamel opacities
Last Answer : B. Surface demineralisation and hypo mineralisation
Description : A patient has improperly formed DEJ, reduction in size of pulp chamber, chipping and attrition of enamel that would MOSTLY be: A. Fluorosis B. Amelogenesis imperfecta C. Dentinogenesis imperfecta
Last Answer : C. Dentinogenesis imperfecta
Description : Is Bone cancer a disease?
Last Answer : Bone cancer is a malignancy in bone. Cancer that originates in the bone is termed as primary bone cancer. This type of cancer is very rare.Children are ... body such as the breasts, lungs, and prostate.Primary tumorsOsteosarcoma ChondrosarcomaEwing's sarcomaMultiple MyelomaOsteoclastomaFibrosarcoma
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (suffocation) (D) Asthma
Last Answer : (B) Cancer
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (D) Asthma
Description : Can silicon-based cat litter cause silicosis?
Last Answer : The silica has to be respirable. I don’t believe silica gel in the form of pearls is respirable.
Description : What is silicosis ?
Last Answer : : The problem that occurs when sand particles accumulate in the lungs is called silicosis.
Description : Silicosis occurs to
Last Answer : Silicosis occurs to A. Acir rain B. ozone depletion C. Inhalation of aerosols D. Inhalation of `SO_(2)`
Description : Give reason: Workers in mines, glass factory, asbestos factory and stone breakers often suffer from silicosis.
Last Answer : Silica particles suspended in air in the mining area enters into lungs of workers and causes silicosis.
Description : What is silicosis? How is it caused?
Last Answer : Silicosis a professional disease which affects miners and stone breakers. Silica particles suspended in air in the mining area enters into lungs of workers and causes silicosis.
Description : Which of the following is an occupational respiratory disorder? (a) Anthracis (b) Silicosis (c) Botulism (d) Emphysema
Last Answer : b) Silicosis
Description : Which of the following is an occupational respiratory disorder ? : (1) Anthracis (2) Silicosis (3) Botulism (4) Emphysema
Last Answer : (2) Silicosis
Description : Which of the following diseases is NOT caused by the smog? (1) Asthma (2) Throat Cancer (3) Emphysema (4) Breathing problem
Last Answer : (2) Throat Cancer Explanation: Throat cancer can start in the oesophagus (food pipe), larynx (voice box), thyroid gland or cells lining the throat (squamous cells).
Description : Which of the following conditions related to smoking involves damage to the alveoli sacs? A. Lung Cancer B. Atherosclerosis C. Emphysema (Answer) D. Asthma
Last Answer : C. Emphysema (Answer)
Description : Dhanurasana, Matsyendrasana, Shalbhasana, Surya-Namaskar are helpful in______? A-32. a) Stomach pain b) Asthma c) Diabetes d) Cancer
Last Answer : डायबिटीज
Description : Carbon monoxide is a pollutant, which causes (A) Respiratory disease (e.g. asthma) (B) Asphyxiation (suffocation) leading to death (C) Retardation in crop growth (D) Damage to building materials like marble
Last Answer : (B) Asphyxiation (suffocation) leading to death
Description : Are vegetarians much less prone to disease?
Last Answer : As this study shows, there is less heart disease, but no less cancer or other diseases.