GEOGRAPHY, ENVIRONMENT & SCIENCE QUESTIONS

Que-1 With reference to carbon nanotubes, consider the following statements: 

1- They can be used as carriers of drugs and antigens in the human body. 

2- They can be made into artificial blood capillaries for an injured part of human body. 

3- They can be used in biochemical sensors. 

4- Carbon nanotubes are biodegradable 

Which of the statements given above are correct? 

(a) 1 and 2 only (b) 2, 3 and 4 only 

(c) 1, 3 and 4 only (d) 1, 2, 3 and 4 

Ans- (d)

Que-2 Consider the following activities: 

1- Spraying pesticides on a crop field 

2- Inspecting the craters of active volcanoes 

3- Collecting breath samples from spouting whales for DNA analysis.

At the present level of technology, which of the above activities can be successfully carried out by using drones? 

(a) 1 and 2 only (b) 2 and 3 only 

(c) 1 and 3 only (d) 1, 2 and 3 

Ans- (d)

Que-3 “The experiment, will employ a trip of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” 

The experiment in question refers to 

(a) Voyager-2 

(b) New Horizons 

(c) LISA Pathfinder 

(d) Evolved LISA

Ans- (d)

Que-4 Consider the following statements: 

1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 
2. A person’s genome can be edited before birth at the early embryonic state 
3. Human induced pluripotent stem cells can be injected into the embryo of a pig. 

Which of the statements given above is/are correct?

(a) 1 only (b) 2 and 3 only 

(c) 2 only (d) 1, 2 and 3

Ans- (d)

Que-5 What is the importance of using Pneumococcal Conjugate Vaccines in India? 

1. These vaccines are effective against pneumonia as well as meningitis and sepsis.
2. Dependence on antibiotics that are not effective against drug resistant bacteria can be reduced 
3. These vaccines have no side effects and cause no allergic reactions. 

Select the correct answer using the code given below: 

(a) 1 only (b) 1 and 2 only 

(c) 3 only (d) 1, 2 and 3

Ans- (b)

Que-6 In India, the term “Public Key Infrastructure” is used in the context of 

(a) Digital security infrastructure 

(b) Food security infrastructure 

(c) Health care and education infrastructure 

(d) Telecommunication and transportation infrastructure

Ans- (a)

Que-7 Which of the following statements are correct regarding the general difference between plant and animal cells? 

1. Plant cells have cellulose cell walls whilst animal cells do not. 
2. Plant cells do not have plasma membrane unlike animal cells which do 
3. Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. 

Select the correct answer using the code given below: 

(a) 1 and 2 only (b) 2 and 3 only 

(c) 1 and 3 only (d) 1, 2 and 3

Ans- (c)

Que-8 Which of the following are the reasons/ factors for exposure to benzene pollution? 

1. Automobile exhaust 
2. Tobacco smoke 
3. Wood burning 
4. Using varnished wooden furniture 
5. Using products made of polyurethane 

Select the correct answer using the code given below: 

(a) 1, 2 and 3 only (b) 2 and 4 only 

(c) 1, 3 and 4 only (d) 1, 2, 3, 4 and 5

Ans- (d)

Que-9 In the context of recent advances in human reproductive technology, “Pronuclear Transfer” is used for 

(a) Fertilization of egg in vitro by the donor sperm 

(b) Genetic modification of sperm producing cells 

(c) Development of stem cells into functional embryos 

(d) Prevention of mitochondrial diseases in offspring

Ans- (d)

Que-10 With the present state of development, Artificial Intelligence can effectively do which of the following? 

1. Bring down electricity consumption in industrial units 
2. Create meaningful short stories and songs 
3. Disease diagnosis 
4. Text-to-Speech Conversion 
5. Wireless transmission of electrical energy 

Select the correct answer using the code given below: 

(a) 1, 2, 3 and 5 only (b) 1, 3 and 4 only 

(c) 2, 4 and 5 only (d) 1, 2, 3, 4 and 5 

Ans-(d)

Que-11 With reference to Visible Light Communication (VLC) technology, which of the following statements are correct? 

1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm 
2. VLC is known as long-range optical wireless communication. 
3. VLC can transmit large amounts of data faster than Bluetooth 
4. VLC has no electromagnetic interference 

Select the correct answer using the code given below: 

(a) 1, 2 and 3 only (b) 1, 2 and 4 only 

(c) 1, 3 and 4 only (d) 2, 3 and 4 only

Ans- (c)

Que-12 With reference to ‘Blockchain Technology’, consider the following statements: 

1. It is a public ledger that everyone can inspect, but which no single user controls. 
2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. 
3. Applications that depend on basic features of blockchain can be developed without anybody’s permission. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 1 and 2 only 

(c) 2 only (d) 1 and 3 only

Ans- (d)

Que-13 What are the advantages of fertigation in agriculture? 

1. Controlling the alkalinity of irrigation water is possible. 
2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 
3. Increased availability of nutrients to plants is possible. 
4. Reduction in the leaching of chemical nutrients is possible. 

Select the correct answer using the code given below: 

(a) 1, 2 and 3 only (b) 1, 2 and 4 only 

(c) 1, 3 and 4 only (d) 2, 3 and 4 only

Ans- (c)

Que-14 Consider the following minerals : 

1. Centonite 
2. Chromite 
3. Kyanite 
4. Sillimanite 

In India, which of the above is/are officially designated as major minerals? 

(a) 1 and 2 only (b) 4 only 

(c) 1 and 3 only (d) 2, 3 and 4 only

Ans- (d)

Que-15 With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 

1. OMT is measured up to a depth of 26oC isotherm which is 129 meters in the south-western Indian Ocean during January – March. 
2. OMT collected during January – March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean. 

Select the correct answer using the code given below: 

(a) 1 only (b) 2 only 

(c) Both 1 and 2 (d) Neither 1 nor 2

Ans- (b)

16- With reference to chemical fertilizers in India, consider the following statements: 

1. At present, the retail price of chemical fertilizers is market driven and not administered by the Government. 
2. Ammonia, which in an input of urea, is produced from natural gas. 
3. Sulphur, which is a raw material for phosphoric and fertilizer, is a by-product of oil refineries. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 2 and 3 only 

(c) 2 only (d) 1, 2 and 3

Ans- (b)

Que-17 With reference to India’s Desert National Park, which of the following statements are correct? 

1. It is spread over two districts. 
2. There is no human habitation inside the Park. 
3. It is one of the natural habitats of Great Indian Bustard. Select the correct answer using the code given below : 

(a) 1 and 2 only (b) 2 and 3 only 

(c) 1 and 3 only (d) 1, 2 and 3

Ans- (c)

Que-18 Siachen Glacier is situated to the 

(a) East to Aksai Chin 

(b) East of Leh 

(c) North of Gilgit 

(d) North of Nubra Valley

Ans- (d)

Que-19 Consider the following statements : 

1. 36% of India’s districts are classified as “overexploited” or “critical” by the Central Ground Water Authority (CGWA). 
2. CGWA was formed under the Environment (Protection) Act. 
3. India has the largest area under groundwater irrigation in the world. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 2 and 3 only 

(c) 2 only (d) 1 and 3 only

Ans- (b)

Que-20 Consider the following statements : 

1. Jet streams occur in the Northern Hemisphere only. 
2. Only some cyclones develop an eye. 
3. The temperature inside the eye of a cyclone is nearly 10oC lesser than that of the surroundings. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 2 and 3 only 

(c) 2 only (d) 1 and 3 only 

Ans- (c)

Que-21 Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”? 

(a) Corbett 

(b) Ranthambore 

(c) Nagarjunsagar-Srisailam 

(d) Sunderbans

Ans- (c)

Que-22 If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication? 

(a) A licence is required to cultivate that plant. 

(b) Such a plant cannot be cultivated under any circumstances. 

(c) It is a Genetically Modified crop plant. 

(d) Such a plant is invasive and harmful to the ecosystem.

Ans- (a)

Que-23 What is/are the advantages/ advantages of zero tillage in agriculture? 

1. Sowing of wheat is possible without burning the residue of previous crop. 
2. Without the need for nursery or rice saplings, direct planting of paddy seeds in the wet soil is possible. 
3. Carbon sequestration in the soil is possible. 

Select the correct answer using the code given below : 

(a) 1 and 2 only (b) 2 and 3 only 

(c) 3 only (d) 1, 2 and 3

Ans- (d)

Que-24 According to India’s National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? 

1. Cassava 
2. Damaged wheat grains 
3. Groundnut seeds 
4. Horse gram 
5. Rotten potatoes 
6. Sugar beet 

Select the correct answer using the code given below : 

(a) 1, 2, 5 and 6 only (b) 1, 3, 4 and 6 only 

(c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4, 5 and 6

Ans- (a)

Que-25 Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the 

(a) Long-term damage done by a tonne of CO2 emissions in a given year. 

(b) Requirement of fossil fuels for a country to provide goods and services to its citizens, based on the burning of those fuels. 

(c) Efforts put in by a climate refugee to adapt to live in a new place. 

(d) Contribution of an individual person to the carbon footprint on the planet Earth.

Ans- (a)

Que-26 With reference to pulse production in India, consider the following statements : 

1. Black gram can be cultivated as both kharif and rabi crop. 
2. Green-gram alone accounts for nearly half of pulse production. 
3. In the last three decades, while the production of kharif pulses has increased, the production of rabi pulses has decreased. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 2 and 3 only 

(c) 2 only (d) 1, 2 and 3

Ans- (a)

Que-27 “The crop is subtropical in nature. A hard frost is injurious to it. It requires at least 210 frost-free days and 50 to 100 centimeters of rainfall for its growth. A light well-drained soil capable of retaining moisture is ideally suited for the cultivation of the crop”. 

Which one of the following is that crop? 

(a) Cotton 

(b) Jute 

(c) Sugarcane 

(d) Tea

Ans- (a)

Que-28 With reference to solar water pumps, consider the following statements : 

1. Solar power can be used for running surface pumps and not for submersible pumps. 
2. Solar power can be used for running centrifugal pumps and not the ones with piston. 

Which of the statements given above is/are correct?

(a) 1 only (b) 2 only 

(c) Both 1 and 2 (d) Neither 1 nor 2

Ans- (d)

Que-29 With reference to the current trends in the cultivation of sugarcane in India, consider the following statements : 

1. A substantial saving in seed material is made when ‘bud chip settlings’ are raised in a nursery and transplanted in the main feld. 
2. When direct planting of setts is done, the germination percentage is better with single-budded setts are compared to setts with many buds. 
3. If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts. 
4. Sugarcane can be cultivated using settlings prepared from tissue culture. 

Which of the statements given above is/are correct? 

(a) 1 and 2 only (b) 3 only 

(c) 1 and 4 only (d) 2, 3 and 4 only

Ans- (c)

Que-30 In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture? 

1. Crop diversification 
2. Legume intensification 
3. Tensiometer use 
4. Vertical farming 

Select the correct answer using the code given below : 

(a) 1, 2 and 3 only (b) 3 only 

(c) 4 only (d) 1, 2, 3 and 4 

Ans- (d)

Que-31 Consider the following pairs : River Flows into 

1. Mekong ― Andaman Sea 
2. Thames ― Irish Sea 
3. Volga ― Caspian Sea 
4. Zambezi ― Indian Ocean 

Which of the pairs given above is/are correctly matched? 

(a) 1 and 2 only (b) 3 only 

(c) 3 and 4 only (d) 1, 2 and 4 only

Ans- (c)

Que-32 With reference to the Indian elephants, consider the following statements : 

1. The leader of an elephant group is a female. 
2. The maximum gestation period can be 22 months. 
3. An elephant and normally go on calving till the age of 40 years only. 
4. Among the States in India, the highest elephant population is in Kerala. 

Which of the statements given above is/are correct? 

(a) 1 and 2 only (b) 2 and 4 only 

(c) 3 only (d) 1, 3 and 4 only

Ans- (a)

Que-33 Which of the following Protected Areas are located in Cauvery basin? 

1. Nagarhole National Park 
2. Papikonda National Park 
3. Sathyamangalam Tiger Reserve 
4. Wayanad Wildlife Sanctuary 

Select the correct answer using the code given below : 

(a) 1 and 2 only (b) 3 and 4 only 

(c) 1, 3 and 4 only (d) 1, 2, 3 and 4

Ans- (c)

Que-34 With reference to India’s biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are 

(a) Birds 

(b) Primates 

(c) Reptiles 

(d) Amphibians

Ans- (a)

Que-35 . Which one of the following protected area is well-known for the conservation of a sub-species of the Indian swamp deer (Barasingha) that thrives well on hard ground and is exclusively graminivorous? 

(a) Kanha National Park 

(b) Manas National Park 

(c) Mudumalai Wildlife Sanctuary 

(d) Tal Chhapar Wildlife Sanctuary

Ans- (a)

Que-36 Steel slag can be the material for which of the following? 

1. Construction of base road 
2. Improvement of agricultural soil 
3. Production of cement 

Select the correct answer using the code given below : 

(a) 1 and 2 only 

(b) 2 and 3 only 

(c) 1 and 3 only 

(d) 1, 2 and 3

Ans- (d)

Que-37 Which of the following are the most likely places to find the musk deer in it s natural habitat? 

1. Askot Wildlife Sanctuary 
2. Gangotri National Park 
3. Kishanpur Wildlife Sanctuary 
4. Manas National Park 

Select the correct answer using the code given below: 

(a) 1 and 2 only (b) 2 and 3 only 

(c) 3 and 4 only (d) 1 and 4 only

Ans- (a)

Que-38 In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 

1. Copper slag 
2. Cold mix asphalt technology 
3. Geotextiles 
4. Hot mix asphalt technology 
5. Portland cement 

Select the correct answer using the code given below: 

(a) 1, 2 and 3 only (b) 2, 3 and 4 only 

(c) 4 and 5 only (d) 1 and 5 only 

Ans- (a)

Que-39 Consider the following statements: 

1. Goal ash contains arsenic, lead and mercury. 
2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment. 
3. High ash content is observed is Indian coal. 

Which of the statements given above is/are correct? 

(a) 1 only (b) 2 and 3 only 

(c) 3 only (d) 1, 2 and 3

Ans- (d)

Que-40 What is the use of biochar in farming? 

1. Biochar can be used as a part of the growing medium in vertical farming. 
2. When biochar is a part of the growing medium, it promotes the growth of nitrogen–fixing microorganisms. 
3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer times. 

Which of the statements given above is/are correct? 

(a) 1 and 2 only (b) 2 only

(c) 1 and 3 only (d) 1, 2 and 3

Ans- (d)