Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

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
2.

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.
3.

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
4.

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
5.

India has reduced the emissions intensity of its GDP by how much percentage?

A. 18%
B. 21%
C. 28%
D. 25%
Answer» C. 28%
6.

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
7.

Papikonda National Park is located in which state?

A. Telangana
B. Andhra Pradesh
C. Kerala
D. Madhya Pradesh
Answer» C. Kerala
8.

Which one of the following countries has top rank in e-waste production?

A. America
B. China
C. India
D. Germany
Answer» B. China
9.

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
10.

Which station topped the 2019 Station Cleanliness Survey?

A. Jaipur
B. West Bengal
C. Ranchi
D. Chennai
Answer» B. West Bengal
11.

Which company introduced India's first multilayered plastic (MLP) collection and recycling initiative?

A. ITC
B. Colgate
C. Parle
D. Nestle
Answer» B. Colgate
12.

Which country in the world hosted World Environment Day 2019?

A. France
B. United States
C. China
D. India
Answer» D. India
13.

Astronomers have discovered a possible twin of which planet in our solar system?

A. Earth
B. Venus
C. Mars
D. Jupiter
Answer» C. Mars
14.

The tropical cyclone "Debbie" has recently hit which country?

A. Australia
B. China
C. Japan
D. Brazil
Answer» B. China
15.

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
16.

The tropical cyclone 'Vardah' is expected to hit which country?

A. India
B. China
C. Japan
D. South Africa
Answer» B. China
17.

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
18.

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
19.

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.
20.

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
21.

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
22.

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
23.

Which of the following is selectively effective against dicot weeds?

A. Cycloheximide
B. Anisomycin
C. Herbicidin A and B
D. Bialaphos
Answer» D. Bialaphos
24.

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.
25.

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
26.

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
27.

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
28.

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.
29.

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
30.

Vegetation of tropical deciduous forest falls under which of the following categories?

A. Mesotherm
B. Megatherm
C. Microtherm
D. Hekistotherm
Answer» B. Megatherm
31.

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.
32.

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
33.

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.
34.

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.
35.

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.
36.

Which of the following climatic zone lies around 40°- 60° latitude?

A. Tropical
B. Subtropical
C. Arctic
D. Temperate
Answer» E.
37.

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
38.

Which of the following describe the study of group of the population?

A. Synecology
B. Autecology
C. Biomes
D. Community
Answer» B. Autecology
39.

The collection of the same species within an area is called a population.

A. True
B. False
Answer» B. False
40.

The study of living organisms with the environment is known as ____________

A. Ecosystem
B. Environment
C. Community
D. Ecology
Answer» E.
41.

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
42.

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
43.

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
44.

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
45.

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
46.

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
47.

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
48.

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
49.

India and Asia's first Dolphin Research Centre will be set up in ________.

A. Varanasi
B. Haridwar
C. Patna
D. Devprayag
Answer» D. Devprayag
50.

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