UPSC ONLINE ACADEMY

Raashid Shah

MISCELLANEOUS MCQ SET-1

Q.1 A hollow cube of size 5 cm is taken with a thickness of 1 cm. It is made of smaller cubes of size 1 cm. If only 2 faces of the outer surface of the cube are painted, totally how many faces of the smaller cubes remain unpainted ? A) 485 B) 486 C) 487 D) 488 Ans. D The big cube is completely hollow.. But, the thickness of its side is 1cm & this is made up of smaller cubes.   Just like the walls of a room. The room is hollow, but, its thickness is due to smaller bricks. The 4 walls of this room is painted from the outside. And, you are asked totally how many sides of all the bricks are now unpainted.   First, you need to know how many bricks (small cubes) are there.   Size of big cube = 5cm Total volume of the big cube = 5*5*5 = 125cm^3   Size of the hollow cube inside the big cube = 3cm Volume of the hollow space inside the big cube = 3*3*3 = 27cm^3   Therefore, volume occupied by small cubes (or volume of thickness) = 125 – 27 = 98cm^3   Size of each small cube = 1cm Volume of each small cube = 1*1*1 = 1cm^3 Total number of small cubes in wall = 98 / 1 = 98   In short, 98 small cubes make up the wall of the big cube. Each cube has 6 faces, so 98 cubes have = 98*6 faces = 588   The four sides of the big cube have 100 painted faces. Because each big side has 25 faces of the small cubes.   Therefore, total unpainted faces = 588 – 100 = 488   Q.2 A large cube is painted green on all six faces & then cut into a certain number of smaller but identical cubes. It was found that amongst the smaller cubes, there were 8 cubes which had no face painted at all. What is the maximum number of cubes that were cut from large original cube ?   A) 46 B) 56 C) 64 D) 54 Ans. C When a cube is painted & cut into smaller n pieces along each side then the total number of smaller cubes obtained will be (n*n*n). From these, remove the outer layer of cubes, that is 2 from each face, then there will be [(n-2) * (n-2) * (n-2)] cubes left. Now. Number of cubes that do not have any face painted is (2*2*2) As, (n-2) = 2 i.e. n=4 Therefore, the maximum number of cubes that were cut from original cube are 4*4*4= 64 Cube   Q.3 Pointing towards a boy, Veena said, “He is the son of the only son of my grandfather”. How is that boy related to Veena?   A) Brother B) Nephew C) Father D) None of these Ans. A   EXPLANATION:       Q.4 Pointing to Kapil, Shilpa said, “His mother’s brother is the father of my son Ashish”. How is Kapil related to Shilpa?   A) Sister–in–law B) Nephew C) Niece D) Aunt Ans. B         Kapil is the nephew of Shilpa.   Q.5 A cube is painted green on all the sides. Then it is cut into 512 cubes of equal size. How many of smaller cubes are painted on 1 side ? A) 18 B) 216 C) 12 D) 14 Ans. B Cube root of 512 is 8. Si, cube is 8*8*8. Each side of the cube  has 64 visible small cube faces, 4 of which are corners (3 green sides) & 24 more are edges (2 coloured sides), so  there are only 36 small cubes with one green face on each of the six sides of the large cube. So, 36*6= 216 Shortcut: Learn this: Vertices are: 8 Edges are: 12 Faces are :6 *To Find 1 face painted: (N/n-2)2 *6 = (8/1-2)2 *6 = 36 *6 =216 *Similarly if it asks you to find 2 faces painted, then use this formula, (N/n-2) * 12 *For 3 faces painted, use this formula, just find how many vertices are there & these are 8 which is answer *For finding no. of smaller cubes: (N/n)3   Q.6 Find the number of triangles in the given figure.     A) 22   B) 24   C) 26   D) 28 Ans. D The figure may be labelled as shown.   The simplest triangles are AGH, GFO, LFO, DJK, EKP, PEL and IMN i.e. 7 in number. The triangles having two components each are GFL, KEL, AMO, NDP, BHN,  CMJ, NEJ and HFM i.e. 8 in number. The triangles having three components each are IOE, IFP, BIF and CEI i.e. 4 in number. The triangles having four components each are ANE and DMF i.e. 2 in number. The triangles having five components each are FCK, BGE and ADL i.e. 3 in Number. The triangles having six components each are BPF, COE, DHF and AJE i.e. 4 in Number Total number of triangles in the figure = 7 + 8 + 4 + 2 + 3 + 4 = 28.  

MISCELLANEOUS MCQ SET-1 Read More »

SCIENCE MCQ SET-22

Q.1 Which among the following products have accorded Geographical Indication Status ?   1. Vazhakkulam pineapple   2. Central Travancore jiggery   3. Pokkali rice   4. Jeerakasala   5. Gandhakasala   Which among the above statement(s) is/are correct ?   A) 1,2,3,5   B) Only 4   C) 2 ,3,4   D) 1,2,3,4,5   Ans. D   Chengalikodan banana variety from Thrissur district of Kerala has been accorded Geographical Indication (GI) status by the Chennai based Central GI registry.   Darjeeling tea was the first agricultural product in India to be accorded with GI tag.   Q.2 Who among the following are not the members of the Arab League ?   1. Chad   2. Israel   3. South Sudan   4. Libya   5. Oman   Which among  the above is/are correct ?   A) 3,4,5   B) Only 1 & 2   C) 1,2,5   D) All are the members   Ans. B   The Arab League was founded in Cairo in 1945 by  Egypt,  Iraq,  Lebanon, Saudi Arabia, Syria, Transjordan (Jordan from 1946) and Yemen (North Yemen, later combined Yemen). There was a continual increase in membership during the second half of the 20th century, with additional 15 Arab states and 4 observers being admitted.   Q.3 Custom duty on non-edible oils has been reduced to encourage soaps & oleochemicals. What are Oleochemicals ?   1. These are the chemicals derived from the Plant products   2. They are analogous to petrochemicals derived from petroleum.   Which among the above are correct ?   A) Only 1   B) Only 2   C) Both are correct   D) Both are incorrect   Ans. B   These are the chemicals derived from the Plant products & animal fats.   Q.4 What is a major use of Allethrin ?   A) In household insecticides   B) In glass manufacture   C) In steel manufacture   D) In paints & varnishes   Ans.A   Q.5 Spiders & scorpions belong to the same class of Arthropods as are :   A) Beetles & Locusts   B) Crabs & Lobsters   C) Centipedes & Millipedes   D) Mites & Ticks   Ans.D   Q.6 With reference to the 4GLTE, consider the following statements :   1. 4G LTE is wireless communications standard developed by the 3rd Generation Partnership Project (3GPP).   2.  It is designed to provide up to 10x speeds of 3G networks for mobile devices   3. It can provide internet speed of at least 100 Mbit per second (Mbps) to 1 GBit per second (Gbps)   Which among the above statement(s) is/are correct ?   A) 1 & 2   B) Only 2   C) 1 & 3   D) 1,2,3   Ans. D   Q.7 Which among the following are the features of the preserved mushroom ?   1. It has high content of folic acid which is uncommon in vegetables   2. It has amino acids which are usually absent in cereals   Which among the above statement(s) is/are correct ?   A) Only 1   B) Only 2   C) Both are correct   D) Both are incorrect   Ans. C   Preserved mushroom refer to mushrooms prepared or preserved by blanching, cleaning and sometimes slicing and cutting.   Q.8 WHO declared India Maternal & Neonatal tetanus free, consider the statements with reference to Maternal & Neonatal tetanus :   1. It is a fungal infection caused in the mothers & new born   2. It is caused due to unhygienic birthing practices or the use of unsterilised instruments   3. This infection leads to 70 to 100 per cent death of newborns, between 3 days to 28 days after birth   Which among the above statement(s) is/are correct ?   A) Only 1   B) 2 & 3   C) 1 & 2   D) 1,2,3   Ans. B   Tetanus is an infection caused by the bacterium Clostridium tetani.   Q.9 Which of the following organisms has a role in converting nitrates to free nitrogen ?   A) Pseudomonas   B) Nitrosomonas   C) Nitrobacter   D) Rhizobium   Ans.D  

SCIENCE MCQ SET-22 Read More »

SCIENCE MCQ SET-21

Q.1 Recently which among the following sweets get Geographical Indication tag ? 1. Jainagar-er moa 2. Sarpuria 3. Sitabhog 4. Mihidana Choose the answer from the code given below: A) 1,3,4 B) 2,3,4 C) Only 2 & 3 D) 1,2,3,4 Ans. D It is given to products that have a specific geographical origin and possess qualities or a reputation that are due to that origin. In India, GI registration is governed by the Geographical Indications of goods (Registration and Protection) Act, 1999.   Q.2 Custom duty on non-edible oils has been reduced to encourage soaps & oleochemicals. What are Oleochemicals ? 1. These are the chemicals derived from the Plant products 2. They are analogous to petrochemicals derived from petroleum. Which among the above are correct ? A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. B These are the chemicals derived from the Plant products & animal fats.   Q.3 Recently for which of the following reasons Chettinad saree got Indian Handloom tag ? 1. It is characterised by its silk-like texture, contrasting border and body colours with intricate designs along the border 2. It has unique pattern with bold checks, stripes and contrasting hues Which of the statement(s) is/are correct ? A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. C Chettinad cotton saree is also known as “kandaangi”. It is the traditional sari of the Chettinad region in Sivaganga district of Tamil Nadu.   Q.4 In which among the following countries Zika virus is prevalent ? 1. Colombia 2. Equador 3. El Salvador 4. Jamaica 5. Brazil Which among the above are correct ? A) 1,3,4 B) 2,3,4 C) 1,2,3,5 D) 1,2,3,4,5 Ans.D Zika virus is not contagious but it is mainly transmitted by daytime-active Aedes aegypti mosquitoes after it bites someone infected with the virus and transmit it by biting another human.   Q.5 With reference to the Science & technology, what is Dendroid ? A) It is the breakthrough in the science & technology providing high speed to Android users B) It is the malware campaign that is targeting Android users C) It is the software that protects the android phones from virus D) None of the above Ans. B   Q.6 With reference to the recently discovered gravitational waves, consider the following statements : 1.Cosmic Inflation is the expansion of space in the early universe at a rate much faster than the speed of light 2. B-mode is a twisting or ‘curl’ pattern in the polarized orientations of the ancient light 3. Cosmic Microwave Backgroud consists of only of magnetic fields that permeates the universe Which among the above is/are correct ? A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C Cosmic Microwave Background consists of electric & magnetic fields that permeates the universe   Q.7 Which of the following statements correctly denotes Bio-fortification ? A) Enrichment of the nutrient quality of the soil using biological agents B) Breeding crops to increase their nutritional values C) Inrcrease of organo-metallic compounds in the organism through energy flow in an ecosystem D) Adoption of genetic variable plants for breeding of high yielding plants Ans. B   Q.8 Which one of the following plants is popularly grown along the road for absorbing vehicular pollutants? A) Nerium B) Neem C) Bourgainvillea D) Callotropis Ans. C  

SCIENCE MCQ SET-21 Read More »

SCIENCE MCQ SET-20

Q.1 During June 2015, India’s Mars Orbiter Mission ‘Mangalyaan’ had a communication break with the ISRO Scientists for about a fortnight. Which of the following statements with regard to that is / are correct?   The communication break occurred due to the positioning of Earth, the Sun and Mars aligning themselves in one line   The Sun disrupts the radio transmissions between the two planets during the alignment   During this period the Mangalyaan could not take any decision as there was no signal from ISRO   Select the correct answer using the code given below:   A) 1, 2 and 3   B) 1 only   C) 2 and 3 only   D) 1 and 2 only   Ans. B   Q.2 Which one of the following statements with regard to Pradhan Mantri Suraksha Bima Yojana is NOT correct?   A) The yearly premium is Rs. 12   B) It is available to all savings bank account holders in the age group of 18 to 50 years   C) It has accidental death and disability cover of Rs. 2,00,000   D) There is a provision of payment of Rs. 1,00,000 for partial permanent disability   Ans. B   Pradhan Mantri Suraksha Bima Yojana is a government-backed accident insurance scheme in India. It was originally mentioned in the 2015 Budget speech by Finance Minister Arun Jaitley in February 2015. It was formally launched by Prime Minister Narendra Modi on 9 May in Kolkata. As of May 2015, only 20% of India’s population has any kind of insurance, this scheme aims to increase the number.   Q.3 Which one of the following multi-sectoral development programmes for minorities for upgrading skills and training in preservation of traditional ancestral arts / crafts was launched recently?   A) Hamari Dharohar   B) Nai Manzil   C) USTAAD   D) Nai Umeed   Ans. C   Q.4 In May 2015, the Supreme Court of India issued guidelines on regulating government advertisements. According to the guidelines, photographs of who among the following can NOT feature in the advertisements released by the State and Central Government departments?   A) Chief Minister   B) Prime Minister   C) President   D) Chief Justice of India   Ans. A   Q.5 During the recent visit of the Prime Minister of India to China, agreements were signed on establishment of sister cities between India and China. Which one among the following was NOT one of them?   A) Chennai and Chongqing   B) Guwahati and Kunming   C) Hyderabad and Qingdao   D) Aurangabad and Dunhuang   Ans. B   Q.6 The rate of the Service Tax is changed with effect from 1.6.2015. What is the present rate of Service Tax in India?   A) 12.36%   B) 13.26%   C) 14%   D) 15%   Ans. C   Q.7 The Global Commons are understood as areas and resources that do not fall under sovereign jurisdiction. Which one of the following cannot be considered a Global Common?   A) The high seas and deep ocean floor beyond the exclusive economic zone   B) Antarctica   C) Outer space   D) The Arctic Circle   Ans. D   Global commons is a term typically used to describe international, supranational, and global resource domains in which common-pool resources are found. Global commons include the earth’s shared natural resources, such as the high oceans, the atmosphere, outer space and the Antarctic in particular.   Q.8 Who among the following was conferred with the ‘Bangladesh Liberation War Honour’ recently?   A) Narendra Modi   B) Atal Bihari Vajpayee   C) Sonia Gandhi   D) Ajit Doval   Ans. B   Q.9 Who among the following won the 2015 French Open Men’s Singles title?   A) Rafael Nadal   B) Novak Djokovic   C) Stan Wawrinka   D) Roger Federer   Ans. C   Q.10 The Constitution of India (100th Amendment) Act, 2015 deals with:   A) Right to Fair Compensation and Transparency in Land Acquisition, Rehabilitation and Resettlement.   B) Motor Vehicles.   C) Land Boundary Agreement between India and Bangladesh.   D) Mines and Minerals.   Ans. C        

SCIENCE MCQ SET-20 Read More »

SCIENCE MCQ SET -19

Q.1 Which of the following are the reasons for signing PEACE(Promoting energy Access through clean energy) a MoU between India & USA ? 1) To improve economic conditions in rural households & communities 2) Skill development & Information sharing 3) Technology Innovation Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q.2 Which of the following are the guidelines issued by the Nuclear Security summit 2014  that was held at Hague ? 1) To improve International exchange of information & International Cooperation 2) To reduce the amount of dangerous nuclear material 3) It only covers Uranium & Plutonium radioactive materials Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C   Q.3 Which of the following diseases are included in the vector born diseases ? 1) Malaria 2) Chikungunya 3) kala Azar 4) Japanese encephalititis 5) Dengue Codes: A) 1,3,4,5 B) 2,3,4,5 C) 1,2,3,4 D) 1,2,3,4,5 Ans. D   Q.4 Statements: 1) Japanese encephalitis is a mosquito borne viral infection 2) Newly manufactured vaccine of Japanese Encephalitis will provide short term protection from Japanese encephalitis. Codes: A) Only 1 B) only 2 C) Both are correct D) Both are incorrect Ans. A   Q.5 Which among the following are the biopolymers ? 1) Nucleic acids 2) Carbohyadrates 3) Proteins 4) Lipids Codes: A) 1,3,4 B) 2,3,4 C) Only 1 & 2 D) 1,2,3,4 Ans. D   Q.6 Consider the following statements: 1) Among Fats, Carbohydrates and Proteins, the last resort as a source of Energy is Protein 2) Among Fats, Carbohydrates and Proteins, the highest comparative value of energy is of Fats Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. B   Q.7 In context with Cholesterol in Human Body, consider the following statements:   1. It is synthesized in Human Body   2. It is essential for life   3. It is precursor for the biosynthesis of Vitamin D   4. The level of cholesterol in body can be controlled by Statins   Codes: A) 1,3,4 B) 1,2,4 C) 2,3,4 D) 1,2,3,4 Ans. D   Q.8 In terms of evolution of organisms, the prokaryotes are considered to be primitive because their cells :   1) Lack well defined nucleus   2) Lack important cell organelles   3) Lack DNA and RNA   Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3   Ans. C  

SCIENCE MCQ SET -19 Read More »

SCIENCE MCQ SET-18

Q.5 Which group of algae can provide nitrogenous nutrients to paddy cultivation under natural field conditions ? A) Blue-Green Algae B) Brown Algae C) Green Algae D) Red Algae Ans. A   Q.6 Tissue culture technique can be used for : 1) developing virus free plants 2) Multiplication of elite genotypes of useful trees 3) production of secondary metabolites of plants Codes : A) 1 & 3 B) 2 & 3 C) 1 b& 2 D) 1,2,3 Ans. D   Q.7 What is the naturally occurring form of Vitamin D in the human skin ? A) 1, 25 dihydroxy cholecalciferol B)  25 hydroxy cholecalciferol C) 7 hydrocholesterol D) Calciferol Ans. D   Q.8 The chemical substance Taxol is said to have curative value for malignant tumours. It is obtained from : A) Shoots of taxodium sp. B) Roots & fruits of Taxodium sp. C) bark from stem of Taxus sp. D) roots of taxus sp. Ans. C   Q.9 Spirogyra is classified into which of the following class ? A) Algae B) Fungi C) Bacteria D) None of the above Ans. A   Q.10 Which among the following are present in Plant Cell but not in the Animal cell ? 1) Cell wall 2) Cell membrane 3) Plastids Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q.11 Which among the following are the decomposers ? 1) Algae 2) Fungi 3) Bacteria Codes : A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. B    

SCIENCE MCQ SET-18 Read More »

SCIENCE MCQ SET-17

Q.1 Energy park scheme initiated by the centre under the Special Area Demonstration Programme aims to : 1) create awareness about renewable energy systems and devices 2 ) setting up of state level education parks 3) demonstrate the use of NRSE technologies Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q.2 Which of the following techniques are involved in Holography ? 1) LASER 2) Diffraction 3) Interference Codes: A) 1 & 2 B) 2 & 3 C) 1 & 3 D) 1,2,3 Ans. D   Q.3 Which of the following are the coolants that are employed in a nuclear reactor ? 1) Water 2) Carbon di oxide 3) Graphite Codes : A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C   Q.4 Which among the following are considered as the bio-fuels ? 1) Curcas 2) Jatropha 3) Karanje Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q.5 Which among the following are positively charged ? 1) Electrons 2) Protons 3) Neutrons Codes: A) 1 & 3 B) 2 & 3 C) Only 2 D) 1,2,3 Ans. C   Q.6 Which among the following are an example of chemical changes ? 1) Rusting of Iron 2) Boiling of water 3) Dissolving of sugar in water Codes: A) 1 & 3 B) Only 1 C) 2 & 3 D) Only 2 Ans. B   Q.7 Digestive processes of which one of the following constituents of food will be hampered if bile is not secreted by the gall bladder ? A) Fat                       B) Protein C) Carbohydrate       D) Vitamin Ans. A   Q.8 Which of the following radio isotopes are used in treatment of cancer ? 1) Iodine-131 2) Cobolt-60 3) Arsenic-74 Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C   Arsenic-74 is used to detect tumour   Q.9 Which among the following can be classified as an insulator ? 1) Paper 2) Rubber 3) Plastics 4) Glass Codes : A) 1,3,4 B) 2,3,4 C) 1,2,3 D) 1,2,3,4 Ans. D   Q.10 With reference to the Indian Missile Programme, which among the following statements are correct ? 1) Akash is a surface to air missile with a range of 60 kilometers 2) Nag is a fire-and-forget anti-tank missile, with a 5-7 kilometer range Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. C   Q.11 Which among the following is the strike range of Agni-I missile ? A) 700 – 800 km B) 600 – 700 km C) 500- 600 km D) 400 – 500 km Ans. A  

SCIENCE MCQ SET-17 Read More »

SCIENCE MCQ SET-16

Q. Energy park scheme initiated by the centre under the Special Area Demonstration Programme aims to : 1) create awareness about renewable energy systems and devices 2 ) setting up of state level education parks 3) demonstrate the use of NRSE technologies Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q. Which of the following techniques are involved in Holography ? 1) LASER 2) Diffraction 3) Interference Codes: A) 1 & 2 B) 2 & 3 C) 1 & 3 D) 1,2,3 Ans. D   Q. Which of the following are the examples of coolant that are employed in a nuclear reactor ? 1) Water 2) Carbon di oxide 3) Graphite Codes : A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. C   Q. Which among the following are considered as the bio-fuels ? 1) Curcas 2) Jatropha 3) Karanje Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q. Which among the following are positively charged ? 1) Electrons 2) Protons 3) Neutrons Codes: A) 1 & 3 B) 2 & 3 C) Only 2 D) 1,2,3 Ans. C   Q. Which among the following are an example of chemical changes ? 1) Rusting of Iron 2) Boiling of water 3) Dissolving of sugar in water Codes: A) 1 & 3 B) Only 1 C) 2 & 3 D) Only 2 Ans. B Boiling of water & Dissolving of sugar in water are physical changes   Q. Which of the following radio isotopes are used in treatment of cancer ? 1) Iodine-131 2) Cobolt-60 3) Arsenic-74 Codes: A) 1 & 3 B) 2 & 3  C) 1 & 2 D) 1,2,3 Ans. C   Arsenic-74 is used to detect tumour Q. Which among the following can be classified as an insulator ? 1) Paper 2) Rubber 3) Plastics 4) Glass Codes : A) 1,3,4 B) 2,3,4 C) 1,2,3 D) 1,2,3,4 Ans. D   Q. With reference to the Indian Missile Programme, which among the following statements are correct ? 1) Akash is a surface to air missile with a range of 60 kilometers 2) Nag is a fire-and-forget anti-tank missile, with a 5-7 kilometer range Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. C DRDO launched an ambitious programme named IGMDP for the development of 5 different missiles i.e., Prithvi, Agni, Trishul, Akash and Nag   Q. Which among the following is the strike range of Agni-I missile ? A) 700 – 800 km B) 600 – 700 km C) 500- 600 km D) 400 – 500 km Ans. A   Q. In Urban planning there is a term “Zoning”, what does it signifies ? 1) It decides the minimum requirements of space for present and future use of land 2) It prevents overcrowding and also check unhealthy land uses in the areas Codes: A) Only 1 B) Only 2 C) Both are correct D) Both are incorrect Ans. C          

SCIENCE MCQ SET-16 Read More »

SCIENCE MCQ SET-15

Q.1 In most of the children’s toys, a toxic chemical remains present. In this respect, which among the following statements is/are correct?   1. The name of the toxic element is phthalates which are esters of phthalic acid.   2. They are mainly used as plasticizers, i.e., substances added to plastics to increase their flexibility and longevity.   3. They are easily released into environment because there is no covalent bond between the phthalates and plastics in which they are mixed.   Codes:   A) 1 only   B) 1 and 2 only   C) 2 and 3 only   D) 1, 2 and 3   Ans. D   Q.2 With reference to Earth Overshoot day, which among the following statements are correct ?   1) It is observed when humans created more waste than nature can absorb   2) Every year it is celebrated as World environment day   3) Humans consume more than biosphere can replace   Codes:   A) 1 & 3   B) 2 & 3   C) 1 & 2   D) 1,2,3   Ans. A   Q.3 With reference to pill camera which is a step further in endoscopy , consider the following statements :   1) Pill camera can take  12 images per second   2) Pill camera can be steered by doctors from outside the body through patient’s skin through magnetic device   Codes :   A) Only 1   B) Only 2   C) Both are correct   D) Both are incorrect   Ans. A   Q.4 Aflatoxin is produced as a result of growth of :   A) Algae   B) Fungus   C) Bacteria   D) Protozoan   Ans. B   Q.5 Lead chromate is used as an adulterant in :   A) Black pepper   B) Wheat flour   C) Turmeric powder   D) Chilli powder   Ans. C   Q.6 Which one of  the following is used in preparing Kargasok tea ?   A) Fungus   B) Bacterium   C) Insect larva   D) Latex of plant   Ans. A   Q.7 Which of the following is detected & estimated by the pollution check carried out on motor cars at service stations ? A) Lead & carbon particles B) Carbon di oxide C) Carbon monoxide D) Oxides of nitrogen & sulphur Ans. A   Q.8 In the vincinity of Iron ore mining areas which among the following elements would be high in ground water ? A) Calcium B) Nitrate C) Fluoride D) Arsenic Ans. D   Q.9 In context with the news there was term Pusa Hydrogel, which among the following statements are correct ? 1) It helps in surviving of plants by releasing water for plants 2) It helps in improving seed germination 3) It generally absorbs retain water Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D   Q.10 With reference to eco-cooker which among the following are correct ? 1) It can cook multiple times thus preserving food’s nutritional value 2) It is energy efficient & consumes less energy than LPG 3) Modified burner design & sealed close circuit are the characteristics of the eco-cooker Codes: A) 1 & 3 B) 2 & 3 C) 1 & 2 D) 1,2,3 Ans. D  

SCIENCE MCQ SET-15 Read More »

Powered by WordPress