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This section includes 989 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
In accordance with "3rd edition of The Global E-waste Monitor 2020 report-Quantities, flows, and the circular economy potential" report, the world dumped a how much million tonnes of e-waste in 2019? |
| A. | 53.6 |
| B. | 33.6 |
| C. | 23.6 |
| D. | 43.6 |
| Answer» B. 33.6 | |
| 852. |
Which of the following cities organized the BEE's International Workshop on Energy Efficient Cooling? |
| A. | Tiruchirappalli |
| B. | Nashik |
| C. | Gurgaon |
| D. | New Delhi |
| Answer» E. | |
| 853. |
Which of the following cities is organizing the 'International Seminar on Climate Smart Farming Systems'? |
| A. | Lucknow |
| B. | New Delhi |
| C. | Kochi |
| D. | Mumbai |
| Answer» C. Kochi | |
| 854. |
The International Union for the Conservation of Nature (IUCN) added how many species to List of Threatened Species? |
| A. | 1440 |
| B. | 2040 |
| C. | 1,840 |
| D. | 1740 |
| Answer» D. 1740 | |
| 855. |
India has reduced the emissions intensity of its GDP by how much percentage? |
| A. | 18% |
| B. | 21% |
| C. | 28% |
| D. | 25% |
| Answer» C. 28% | |
| 856. |
Which of the following operation has been launched to crackdown illegal trade in the mongoose hair? |
| A. | Operation Mongoose |
| B. | Operation Environment |
| C. | Operation Clean Art |
| D. | Operation Woodrose |
| Answer» D. Operation Woodrose | |
| 857. |
Papikonda National Park is located in which state? |
| A. | Telangana |
| B. | Andhra Pradesh |
| C. | Kerala |
| D. | Madhya Pradesh |
| Answer» C. Kerala | |
| 858. |
Which one of the following countries has top rank in e-waste production? |
| A. | America |
| B. | China |
| C. | India |
| D. | Germany |
| Answer» B. China | |
| 859. |
Which company constructed a 0.85 km of road with plastic waste at Faridabad? |
| A. | ITC |
| B. | Indian Oil |
| C. | ONGC |
| D. | Bharat Petroleum |
| Answer» C. ONGC | |
| 860. |
Which station topped the 2019 Station Cleanliness Survey? |
| A. | Jaipur |
| B. | West Bengal |
| C. | Ranchi |
| D. | Chennai |
| Answer» B. West Bengal | |
| 861. |
Which company introduced India's first multilayered plastic (MLP) collection and recycling initiative? |
| A. | ITC |
| B. | Colgate |
| C. | Parle |
| D. | Nestle |
| Answer» B. Colgate | |
| 862. |
Which country in the world hosted World Environment Day 2019? |
| A. | France |
| B. | United States |
| C. | China |
| D. | India |
| Answer» D. India | |
| 863. |
Astronomers have discovered a possible twin of which planet in our solar system? |
| A. | Earth |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» C. Mars | |
| 864. |
The tropical cyclone "Debbie" has recently hit which country? |
| A. | Australia |
| B. | China |
| C. | Japan |
| D. | Brazil |
| Answer» B. China | |
| 865. |
Tamil Nadu and Andhra Pradesh were put on high alert due to a cyclonic storm that was formed in Bay of Bengal. Name the Cyclone. |
| A. | Vardah |
| B. | Kyant |
| C. | Nada |
| D. | BOB 04 |
| Answer» B. Kyant | |
| 866. |
The tropical cyclone 'Vardah' is expected to hit which country? |
| A. | India |
| B. | China |
| C. | Japan |
| D. | South Africa |
| Answer» B. China | |
| 867. |
The waste collected at the Ghazipur landfill site will be used for what purpose? |
| A. | Plant manure |
| B. | Highway construction |
| C. | Drain blocking |
| D. | Foundation for new buildings |
| Answer» C. Drain blocking | |
| 868. |
Name the thunderstorm that killed at least six people in the Australian city of Melbourne in last week of November 2016. |
| A. | Asthma |
| B. | Downburst |
| C. | Akkadian |
| D. | Aputsiaq |
| Answer» B. Downburst | |
| 869. |
The Ministry of Environment, Forest and Climate Change recently constituted a four-member team for conservation and management of which of the following lakes? |
| A. | Wular Lake |
| B. | Pulicat Lake |
| C. | Chandra Taal |
| D. | Loktak Lake |
| Answer» E. | |
| 870. |
As per the Paris Agreement on Climate Change that officially entered into force recently, how much the developed countries will raise annually to finance climate change mitigation projects by 2020? |
| A. | 200 billion US dollars |
| B. | 150 billion US dollars |
| C. | 100 billion US dollars |
| D. | 50 billion US dollars |
| Answer» D. 50 billion US dollars | |
| 871. |
Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii? |
| A. | Polyoxin D |
| B. | Polyoxin B |
| C. | Polyoxin L |
| D. | Polyoxin C |
| Answer» B. Polyoxin B | |
| 872. |
Streptomyces griseochromogenes is reported to show a potent curative effect against |
| A. | rice blast disease |
| B. | yellow blight of maize |
| C. | milo of soybean |
| D. | eye spot of sugarcane |
| Answer» B. yellow blight of maize | |
| 873. |
Which of the following is selectively effective against dicot weeds? |
| A. | Cycloheximide |
| B. | Anisomycin |
| C. | Herbicidin A and B |
| D. | Bialaphos |
| Answer» D. Bialaphos | |
| 874. |
Which of the following subgroup/(s) belong/(s) to the Baculo viruses? |
| A. | Nuclear polyhedrosis viruses |
| B. | Granulosis viruses |
| C. | Oryctestypes |
| D. | All of these |
| Answer» E. | |
| 875. |
Milbemycin is known to exhibit a broad spectrum of activity against |
| A. | agricultural pests |
| B. | agricultural herbs |
| C. | agricultural insects |
| D. | all of these |
| Answer» B. agricultural herbs | |
| 876. |
Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using |
| A. | fungus Aureobasidium pullulans adsorbed by the fibrous asbestos |
| B. | cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel |
| C. | both (a) and (b) |
| D. | Phanerochaete chrysosporium |
| Answer» D. Phanerochaete chrysosporium | |
| 877. |
Which of the following can be used for the removal of color from the effluents of pulp mill? |
| A. | Coriolus versicolor entrapped in calcium alginate beads |
| B. | Phanerochaete chrysosporium |
| C. | Both (a) and (b) |
| D. | Nitrosomonas europaen |
| Answer» D. Nitrosomonas europaen | |
| 878. |
Which of the following have been used to oxidize ammonia and to prevent algal growth? |
| A. | growth of hypomicrobium in presence of added methanol |
| B. | Micrococcus denitrificans cells encapsulated in liquid membranes |
| C. | Both (a) and (b) |
| D. | Nitrosomonas europaen |
| Answer» E. | |
| 879. |
The rate of degradation and microbes resistance to toxic pollutants remain better when the |
| A. | mixed cell population is used |
| B. | individual cell is used |
| C. | mixed cell population along with metals is used |
| D. | individual cell along with metal is used |
| Answer» B. individual cell is used | |
| 880. |
Vegetation of tropical deciduous forest falls under which of the following categories? |
| A. | Mesotherm |
| B. | Megatherm |
| C. | Microtherm |
| D. | Hekistotherm |
| Answer» B. Megatherm | |
| 881. |
Name the type of water stored in the soil in the form of hydrated oxides of iron, silicon, and aluminium? |
| A. | Gravitational water |
| B. | Capillary water |
| C. | Hygroscopic water |
| D. | Chemically bound water |
| Answer» E. | |
| 882. |
Name the term which is used for the water present in the soil that can be utilized by the plants. |
| A. | Chresard |
| B. | Humus |
| C. | Gravitational water |
| D. | Capillary water |
| Answer» B. Humus | |
| 883. |
What is pedology? |
| A. | Study of the effect of light on plant growth |
| B. | Study of leaves |
| C. | Study of climate |
| D. | Study of soil |
| Answer» E. | |
| 884. |
Which of the following parameter of light is NOT required by plants to grow? |
| A. | Wavelength of light |
| B. | Intensity of light |
| C. | Duration of light |
| D. | Color of light |
| Answer» E. | |
| 885. |
A relatively dense layer of band which is found in the thermosphere is known as? |
| A. | Troposphere |
| B. | Mesosphere |
| C. | Stratosphere |
| D. | Ionosphere |
| Answer» E. | |
| 886. |
Which of the following climatic zone lies around 40°- 60° latitude? |
| A. | Tropical |
| B. | Subtropical |
| C. | Arctic |
| D. | Temperate |
| Answer» E. | |
| 887. |
What is the climate pattern in areas of limited size or immediate surroundings of plant and animal? |
| A. | Mixed climate |
| B. | Macroclimate |
| C. | Microclimate |
| D. | Segmented climate |
| Answer» D. Segmented climate | |
| 888. |
Which of the following describe the study of group of the population? |
| A. | Synecology |
| B. | Autecology |
| C. | Biomes |
| D. | Community |
| Answer» B. Autecology | |
| 889. |
The collection of the same species within an area is called a population. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 890. |
The study of living organisms with the environment is known as ____________ |
| A. | Ecosystem |
| B. | Environment |
| C. | Community |
| D. | Ecology |
| Answer» E. | |
| 891. |
In February 2020, how many polluted river stretches, based on Biochemical Oxygen Demand (BOD) in different northeastern states, have been identified by the Central Pollution Board? |
| A. | 40 |
| B. | 50 |
| C. | 60 |
| D. | 70 |
| E. | 80 |
| Answer» D. 70 | |
| 892. |
An extremely rare black tiger, formally called Melanistic Tiger, has been spotted in which state? |
| A. | Karnataka |
| B. | Maharashtra |
| C. | Kerala |
| D. | Odisha |
| E. | Gujarat |
| Answer» E. Gujarat | |
| 893. |
A Himalayan butterfly named Golden Birdwing is India’s largest. What is the wingspan of this butterfly? |
| A. | 184 mm |
| B. | 188 mm |
| C. | 194 mm |
| D. | 198 mm |
| E. | 204 mm |
| Answer» D. 198 mm | |
| 894. |
India’s sandalwood trees of which state are facing a serious threat with the return of the destructive Sandalwood Spike Disease? |
| A. | Maharashtra |
| B. | Karnataka |
| C. | Odisha |
| D. | Rajasthan |
| E. | Haryana |
| Answer» C. Odisha | |
| 895. |
In April 2021, Poland government and unions signed an MoU with the coal mining industry to phase out coal production by which year? |
| A. | 2035 |
| B. | 2041 |
| C. | 2049 |
| D. | 2053 |
| E. | 2057 |
| Answer» D. 2053 | |
| 896. |
In January 2020, where has a new species of meat-eating dinosaur been unveiled? |
| A. | Idaho |
| B. | Utah |
| C. | Montana |
| D. | Vermont |
| E. | Massachusetts |
| Answer» C. Montana | |
| 897. |
As part of an afforestation drive of the Delhi Development Authority, ________ lakh indigenous trees will be planted in 2019 across various biodiversity parks in the national capital. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| E. | 5 |
| Answer» E. 5 | |
| 898. |
In February 2020, in Ladakh, how many new bird species have been found during the Great Backyard Bird count? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| E. | 6 |
| Answer» B. 3 | |
| 899. |
India and Asia's first Dolphin Research Centre will be set up in ________. |
| A. | Varanasi |
| B. | Haridwar |
| C. | Patna |
| D. | Devprayag |
| Answer» D. Devprayag | |
| 900. |
A gigantic dinosaur discovered in Australia's outback has been identified as a new species and recognized as one of the largest to ever roam the Earth, according to palaeontologists. What is its nickname? |
| A. | Barney |
| B. | Cooper |
| C. | Bronto |
| D. | Alma |
| E. | Spike |
| Answer» C. Bronto | |