Expected Questions on Environment 2018 - IAS / NET (Part 1) - (Set 3) (Download PDF)


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Solid Waste Management in India - Solid Waste Management term used to refer to the process of collecting and treating solid wastes. 📝 Changes to improve waste management in India: Behaviour modification among citizens and institutions, Municipal bodies should have an integrated system to transport.

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Expected Questions on Environment 2018 - IAS/NET (Part 1) (In English)

Dr. Manishika Jain discusses Expected Questions on Environment 2018 for IAS and CBSE NET

  • Process what has been segregated at source.

  • Periodic assessments of the preparedness of urban local bodies.

  • Political Capital is needed to make required bye-laws and enforce them.

  • Improved technology to ensure better solid waste management.

  • Large Human Capital is required

  • Funds to support planning, research, and implementation

📹 Delhi’s Air Pollution Puzzle

  • According to a WHO report, Delhi has the worst air quality among the megacities (cities with the population of at least 14 million).

Existing framework to tackle air pollution in Delhi

  • A graded response action plan

  • Plan describes a series of measures

  • Grades classified as Emergency, Severe, Very Poor and Moderate poor.

  • First legal framework for coordination among Delhi’s various pollution controlling agencies and its neighbouring states.

India Tops List of Pollution-linked Deaths

📹 Refer -

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Lancet Commission on Pollution & Health; Great Smog of Delhi

Dr. Manishika Jain explains Lancet Commission on Pollution & Health & Great Smog of Delhi

  • According to new study published in medical journal The Lancet.

  • India has topped list of countries with pollution-related deaths in 2015.

  • In India, 2.51 million people died prematurely in 2015 due to diseases related to air, water and other forms of pollution.

  • Of the 2.51 million deaths in India:

    • 1.81 million were related to air pollution

    • 0.64 million to water pollution

    • 0.17 million to occupational exposure

    • 95, 000 linked to lead pollution

Air Pollution Diminishing India’s Solar Success

  • According to experts, air pollution is diminishing India’s capacity to harness power from the sun.

  • New research found the smog and dust that sickens millions across India every year sapping solar power generation by more than 25%

  • Currently in India, it could amount to roughly 3, 900 MW of lost energy six times the capacity of its largest solar farm.

Melting Ice in Greenland

  • For the first time, ocean data from Northeast Greenland reveals the long - term impact of the melting of the Greenland ice sheet.

  • Increased melting of Greenland ice causes coastal waters to become less saline & affect marine life as well as global ocean currents that keep Europe warm.

  • ‘Greenland Ecosystem Monitoring Program’ shows that the fresh water from the ice sheet.

  • Melt down of the Greenland ice sheet has more than doubled compared with the period 1983 - 2003.

No Development Zone

  • National Green Tribunal passed a judgment declaring an area of 100 meters from edge of the river between Haridwar and Unnao as “No Development Zone”.

  • Also, prohibited dumping of waste within 500 metres from the river.

  • It’s a zone where no construction, including commercial or residential buildings, can come up.

  • National Green Tribunal (NGT) passed a slew of directions, measures, fines, and strict deadlines to rejuvenate River Ganga.

Temperature in the Sun’s Atmosphere

  • The sun’s atmosphere corona is much hotter than its visible surface Photosphere.

  • Reason for the high temperature: Constant eruption of tiny solar flares in the solar atmosphere.

  • Solar flares produce hard X-rays and it is a signature of extremely hot solar material.

ICFRE and TIFAC Ink MoU for Supporting Forest Based Communities

  • Indian Council of Forestry Research and Education (ICFRE) and Technology Information, Forecasting & Assessment Council (TIFAC) signed MoU to provide livelihood opportunities and augment income of forest based communities.

  • MoU will be valid for period of 10 years.

Features of MoU

  • Prioritization of technologies developed by ICFRE

  • Patent searching and filing in field of forestry

  • Forest based technologies extension and transfer through stakeholder consultations.

  • Identify technology gaps and commercialization of technologies.

  • Create IPR awareness in field of forestry and environment.

👌 Ptilomera Nagalanda: New Species of Water Strider Found in Nagaland

  • Scientists from ZSI discovered new species of water strider.

  • Named Ptilomera nagalanda Jehamalar and Chandra in Nagaland.

  • It was found in river Intanki in Peren district of Nagaland.

  • This newly discovered species belongs to Ptilomera agriodes genus.

  • It has orange with black stripes on dorsal side and pale yellowish brown ventral part of body.

  • Measures about 11.79 mm and has long slender legs.

  • It has hair on middle legs that help insects resist strong current of streams.

  • Water striders are group of insects adapted to life on surface of water using surface tension to their advantage.

👌 SchisturaLarketensis: New Species of Blind Fish Discovered Inside Cave

  • Scientists discovered a new species of blind fish named ’Schisturalarketensis’ inside a cave in ‘East Jaintia Hills’ district of Meghalaya.

  • Cave is about 880 meters ASL and over 7 km in length.

  • Fish is named after Larket village, where the cave has been found, to encourage local people to take up biodiversity conservation.

  • Species apparently lost its sight living in the perpetual darkness inside the cave.

  • The species also lost its pigments while adapting to its habitat in the dark waters.

Schaller’s Wood Scorpion: New Species Discovered in Tripura

  • Scientists discovered Schaller’s wood scorpion (Liocheles schalleri) at Trishna Wildlife Sanctuary, Tripura.

  • Named it in honor of wildlife biologist George Schaller who studied wildlife across the world including snow leopards of the Himalayas and Central India’s tigers.

Schaller’s Wood Scorpion

  • Eleventh wood scorpion species to be discovered in India.

  • 9 of India’s 11 wood scorpions are endemic to the country.

  • India is home to more than 125 species of scorpions.

  • Schaller’s wood scorpion has large and powerful pincers.

  • Found in low elevations- parts of Tripura.

👌 Odorrana Arunachalensis: New Frog Species Discovered in Arunachal Pradesh

  • ZSI scientists discovered new frog species in fast flowing streams in Talle Valley Wildlife Sanctuary.

  • In Lower Subansiri district of Arunachal Pradesh.

  • New species named Odorrana arunachalensis after the state Arunachal Pradesh were it was found.

  • One of the five frog species discovered in India in recent times and 59th in the world.

  • Odorrana Arunachalensis belong to genus Odorrana (commonly known as the odorous frog).

  • There are over 50 species of frogs belonging to the genus Odorrana.

Elcysma Ziroensis: New Moth Species Discovered in Arunachal Pradesh

  • Researchers from Bombay Natural History Society (BNHS) discovered a new species of moth.

  • Scientifically named Elcysma Ziroensis from Talley Wildlife Sanctuary in Arunachal Pradesh.

  • Elcysma Ziroensis is commonly called Apatani Glory named after a local tribe called Apatani.

  • Discovered at an elevation of 1, 700m in Ziro.

  • This discovery represents the first record of Elcysma from Arunachal Pradesh.

Tyrannomyrmex Alii: New Ant Species Discovered in the Western Ghats

  • Researchers discovered new species of ant in the Periyar Tiger Reserve, Kerala.

  • In Western Ghats, as one of the world’s ‘hottest hotspots’ of biological diversity.

  • Named Tyrannomyrmex alii (or T. alii), after eminent myrmecologist Musthak Ali (Regarded as the India’s ‘ant man’).

  • Tyrannomyrmex alii belongs to Tyrannomyrmex, a rare tropical genus of ants.

  • Discovered from Vallakadavu range of Western Ghats.

  • Distinguished from other species of same genus through its morphological characteristics.

  • Petiolar shape.

  • Tyrannomyrmex is a rare myrmicine (subfamily of ants) ant genus distributed in Indomalayan bio-region that extends from southern India and Sri Lanka to SE Asia.


  • First sawfish day was recently observed across worldwide.

  • Marine scientists reported that sawfish appears to be more threatened than tigers.

  • Sawfish is included in the Schedule I of the Indian Wildlife (Protection) Act 1972.

  • Skeleton of sawfish is made of cartilage, instead of bone.

  • Closely related to sharks and have shark-shaped bodies.

  • There are only five species of the sawfish ever identified:

    • dwarf sawfish

    • knifetooth sawfish

    • smalltooth sawfish

    • largetooth sawfish

    • green sawfish

Kanger Ghati National Park

  • Located near Jagdalpur in the Bastar region of Chhatisgarh.

  • Known for Hill Myna, the state bird of Chhattisgarh.

  • Noted for its highly heterogeneous land formations.

  • Ranging from low flat and gentle areas to steep slopes, plateaus, valleys and stream courses.

Amrabad Tiger Reserve

  • Telangana Forest department created a new ecotourism spot “Octopus View Point” at Amrabad Tiger Reserve.

  • Largest tiger reserve in the country.

  • Earlier, it was part of ‘Nagarjunasagar - Srisailam Tiger reserve’.

  • Multipurpose reservoirs Srisailam and Nagarjunasagar are located in the reserve.

Pelican Bird Festival at Atapaka Bird Sanctuary on Kolleru Lake in Andhra Pradesh

  • First Pelican Festival hosted by Andhra Pradesh Tourism department at Atapaka Bird Sanctuary on Kolleru Lake in Andhra Pradesh.

  • Recently, Atapaka Bird Sanctuary was recognised as one of the largest pelicanry in the world.

  • Kolleru Lake is one of the largest freshwater lakes in India located in Andhra Pradesh.

  • The birds, which usually hangout in large numbers on the very first island of the lake moved towards the other end.

Assam Will Mark September 22 as Rhino Day

  • Assam government was observed September 22 as Rhino Day.

  • To generate public awareness on protection of one-horned rhinoceros (pachyderm) the pride of the state.

  • The day will be dedicated to approximately 2, 500 rhino population in state.

  • Also, launch State Rhino Project in line with National Rhino Project for protecting them from threats of poaching.

  • One-horned rhinoceros is the largest of the Asian Rhinos.

  • Preferred habitat is alluvial flood plains and areas containing tall grasslands along the foothills of the Himalayas.

March 3: World Wildlife Day

  • World Wildlife Day observed every year on 3rd March.

  • To celebrate and raise awareness about the world’s wild fauna and flora.

  • Celebrated to mark the signing of Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) on this day in 1973.

  • Aims: To create awareness and encourages people across the globe to protect endangered species.

  • Theme for this year: ‘Big Cats: Predators under Threat’.

Botanical Survey of India Inks MoU with UK’s Natural History Museum

  • The Botanical Survey of India (BSI) and UK’s Natural History Museum (NHM) signed Memorandum of Understanding (MoU).

  • For cooperation in field of:

    • genetic and taxonomic studies

    • research and training

    • conservation in India

    • including species

    • habitat conservation assessments

Objectives of MoU:

  • Open up mediums of collaboration in science and support further research.

  • Boost scientific study for benefit of both India and UK.

  • Capacity building and scientific exchanges between two nations.

👌 Rhodendron Park: Foundation Stone Laid in Tawang

  • Foundation stone of Rhodendron Park was laid in Tawang, Arunachal Pradesh.

  • Tawang district was once home to about 100 species of rhododendron.

  • But, now reduces 50 plus species due to construction activities in border areas.

  • Park will be built in total area of 1.15 hectares.

  • Partly funded under Border Area Development Program (BADP).

  • Rhododendron is a genus of 1, 024 species of woody plants in heath family (Ericaceae).

  • It is either evergreen or deciduous.

Turtle Sanctuary to Be Set up in Allahabad

  • Union Ministry of Water Resources approved project to set up Turtle sanctuary in Allahabad.

  • Along with River Biodiversity Park at Sangam in Allahabad, Uttar Pradesh under Namami Gange program.

  • Purpose of the Turtle sanctuary: To protect the rich aquatic biodiversity of river Ganga from escalating anthropogenic pressures.

  • Also, help to generate awareness for reducing impact of human activities on critical natural resources.

Snow Leopard Photographed for First Time in Arunachal Pradesh

  • Scientists for first time captured images of Snow Leopard.

  • Using camera trap at Thembang village’s Community Conserved Area (CCA) in West Kameng district of Arunachal Pradesh.

  • Camera traps study conducted by World Wildlife Fund for Nature (WWF-India) in collaboration with Arunachal Pradesh Environment and Forest Department.

  • To focus on unexplored snow leopard habitats.

  • This is first evidence of elusive snow leopard in Arunachal Pradesh.

  • Arunachal Pradesh is one of 22 priority landscapes of Global Snow Leopard Ecosystem Protection Program.

Snow Leopard No Longer Endangered: IUCN

  • International Union for Conservation of Nature (IUCN) downgraded conservation status of snow leopard from endangered” to “vulnerable”.

  • Species:

    • Endangered Species

    • Vulnerable Species

  • Changed after three-year assessment process by international experts.

  • Change in status comes 45 years after snow leopard was first declared endangered in 1972.

  • So, experts warned that snow leopard species still faces serious threats from poaching and habitat destruction.

👌 Mouse Deer Reintroduced for First Time in Telangana Forest

  • Telangana Forest Department for first time re-introduced ‘mouse deer’.

  • In the forests of Nallamalla in Amrabad Tiger Reserve (ATR) bred at Nehru Zoological Park, Hyderabad.

  • Eight mouse deer released from captivity to semi-wild conditions having protected enclosure of 2.14 hectares.

    • two male

    • six females

  • Field biologists and forest staff will closely monitor their adaptability and behavior in their natural setting.

  • So, they can be released from their enclosure into the wild.

  • Mouse deer (also known as Spotted Chevrotain) is one of the endangered species.

  • Successfully, raised total population of mouse deer to 172, includes 76 females.

Flamingo Festival Held at Pulicat Lake in Andhra Pradesh

  • Three-day annual Flamingo Festival was held at Pulicat lake and Nelapattu Bird Sanctuary in Sullurpet mandal.

  • Flamingo festival held every year to promote tourism in Pulicat and Nellapattu.

  • Flamingo Festival organized for the past 12 years.

  • Migratory birds from Siberia visit this place during winter season for breeding.

  • Somewhere between 9, 000 to 12, 000 migratory birds arrive at Pulicat region for breeding this season.

  • Usually around 80 different avian species migrate to Pulicat for breeding.

Scientists Discovered New Species of Gecko (Lizard) in Eastern Ghats in Northern Andhra Pradesh in Few Areas

  • Scientists discovered new species of gecko in the Eastern Ghats in northern Andhra Pradesh in few areas such as

    • northern Mahendragiri range

    • scattered coastal areas

  • New species named Hemidactylus sushilduttai or Dutta’s Mahendragiri gecko.

  • Highlights the importance of conserving the mountainous forest region of Eastern Ghats as a biodiversity hotspot.

Dutta’s Mahendragiri gecko:

  • Grows up to 225mm in length with its tail half its size.

  • Second gecko endemic to this hilly range and third vertebrate endemic to the region

Significance of new species:

  • It is 32nd species of house geckos (Hemidactylus) from India.

  • Among the largest in its genus with around 90 species across the world.

Discovery of New Lizard

  • New species of large Gecko or house lizard recently discovered in the Eastern Ghats region.

  • Named after Kanger Ghati National park in Chhattisgarh as gecko “Hemidactylus kangerensisis”.

  • Also, found in Sukma in Chhattisgarh, Telangana.

Scientists Discover Four New Balsam Species in Arunachal Pradesh

  • Scientists discovered four new balsam species from various locations in Eastern Himalayas in northeastern state of Arunachal Pradesh.

    • Impatiens haridasanii

    • Impatiens pseudocitrina

    • Impatiens nilalohitae

    • Impatiens roingensis

  • Infrastructure project posing a threat to the natural habitat of the new species like

    • road widening works

    • deforestation and

    • other development activities.

ZSI for First Time Compiles List of 157 Alien Invasive Animal Species

  • This number excludes invasive microbe species.

  • Some of Alien species are:

    • Achatina fulica (African apple snail)

    • Paracoccus marginatus (Papaya Mealy Bug)

    • Phenacoccus solenopsis (Cotton Mealybug

    • Pterygoplichthys pardalis (Amazon sailfin catfish)

👌 International Conference on Climate Change Held in Nepal

  • International conference on climate change was held in Nepal.

  • Inaugurated by Nepal President Bidya Devi Bhandari.

  • Titled: ’Resilient Hindu Kush Himalaya: Developing Solutions towards a Sustainable Future for Asia’.

  • Organized by Nepal’s Ministry for Environment in collaboration with International Centre for Integrated Mountain Development (ICIMOD).

  • Purpose: To draw attention towards adverse effects of global warming in Hindu Kush mountain range.

  • 4-day conference aimed: At developing solutions for a sustainable future for Asia that could withstand the impacts of climate change.

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Expected Questions on Environment 2018 - IAS/NET (Part 1) (In Hindi)

Dr. Manishika Jain discusses Expected Questions on Environment 2018 for IAS and CBSE NET

👌 implies important for Objective Questions/MCQ

📝 implies important for Subjective Questions

📹 implies covered in Videos or Upcoming Videos

- Published/Last Modified on: April 4, 2018


Monthy-updated, fully-solved, large current affairs-2018 question bank(more than 2000 problems): Quickly cover most-important current-affairs questions with pointwise explanations especially designed for IAS, CBSE-NET, Bank-PO and other competetive exams.