29 Sept 2020 (People & Environment and ICT) First Shift NTA UGC NET JRF Question paper, Answer key

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1. In a polluted urban area, which one of the following has the highest concentration (ppv) in photochemical smog?

1. Ozone
2. PAN
3. Hydrocarbons (without methane)
4. Carbon monoxide
एक प्रदूषित शहरी क्षेत्र में, निम्नलिखित में से किसमें प्रकाश-रासायनिक धुंध में उच्चतम सांद्रता (पीपीवी) होती है?
SHOW ANSWER
  Answer 4
Explanation: In a polluted urban area carbon monoxide > sulfur oxides > nitrogen oxides > volatile organics > particulates are the highest concentration (ppv) sequence in photochemical smog. ©navclasses



2. Assertion A: Lakes are considered to be more susceptible to pollution than rivers.
Reason R: Water in lakes may take decade(s) to be replaced.


1. Both A and R are correct and R is the correct explanation of A.
2. Both A and R are correct but R is NOT the correct explanation of A.
3. A is correct but R is not correct.
4. A is not correct but R is correct.
अभिकथन A: नदियों की तुलना में झीलों को प्रदूषण के प्रति अधिक संवेदनशील माना जाता है।
कारण आर: झीलों में पानी को बदलने में दशकों लग सकते हैं।

SHOW ANSWER
  Answer 1
Explanation: A river is a large flowing water body that flows and enters itself into the sea. ©navclasses



3 – Match List I with List II.

Environmental protocol/agreement/action plan provisions.
A. Montreal protocol I. Integrated water resource management
B. Paris agreement II. Emissions trading
C. Climate action plan III. Phasing out ozone-depleting substances
D. Kyoto protocol IV. Intended nationally determined contributions
1. A – III, B – II, C-I, D-IV
2. A – II, B – III, C-I, D-IV
3. A-II, B – IV, C-III, D-I
4. A -III, B – IV, C-I, D-II
पर्यावरण प्रोटोकॉल/समझौता/कार्य योजना प्रावधान।
A. मॉन्ट्रियल प्रोटोकॉल I. एकीकृत जल संसाधन प्रबंधन
B. पेरिस समझौता II। उत्सर्जन व्यापार
C. जलवायु कार्य योजना III. ओजोन-क्षयकारी पदार्थों को चरणबद्ध तरीके से समाप्त करना
D. क्योटो प्रोटोकॉल IV. इच्छित राष्ट्रीय स्तर पर निर्धारित योगदान
SHOW ANSWER
  Answer 4
Explanation: Montreal protocol is related to saving stratospheric ozone and phasing out ozone-depleting substances.
Under the Paris Agreement different countries decide nationally determined targets to be achieved till 2030.
Climate Action Plan Integrated water resource management.
One of the most serious threats to humanity is climate change. Climate change affects the Earth’s habitats, and thus people’s livelihoods and well-being, primarily through the medium of water.
Thus, the integrated water resources management (IWRM) concept came into existence.
©navclasses



4. Thermal reactors produce energy by fission of the following nuclear fuels, choose the correct one:

A. Uranium-235 (235)
B. Uranium-233 (233)
C. Uranium-238 (238)
D. Thorium-232 (232Th)
E. Plutonium-239 (239Pu)

1. A, B, C and E only
2. A, B, C, D and E
3. A, B, D and E only
4. A, B and E only
थर्मल रिएक्टर निम्नलिखित परमाणु ईंधन के विखंडन से ऊर्जा उत्पन्न करते हैं, सही का चयन करें:

SHOW ANSWER
  Answer 4
Explanation: Fission: Thermal reactors produce energy by fission whose nuclei contain odd numbers of neutrons like U-233, U-235, and Pu-239.
Fusion: When two atoms collide to form a heavier atom, such as when two hydrogen atoms combine to form one helium atom, fusion happens. The reaction produces helium and a neutron by fusing two hydrogen isotopes, deuterium (2H) and tritium (3H).
©navclasses



5 – Noise pollution is measured in decibels (dB) with reference to a standard sound intensity of the following magnitude:


1. 1 pico watt per m2.
2. 1 milliwatt per m2.
3. 1 nanowatt per m2.
4. 1 microwatt per m2.
ध्वनि प्रदूषण को निम्न परिमाण की मानक ध्वनि तीव्रता के संदर्भ में डेसिबल (dB) में मापा जाता है:

SHOW ANSWER
  Answer 1
Explanation: The lower threshold of human hearing is loosely defined as 0 dB, which is objectively quantified as 1 picowatt of sound power per square metre of area. ©navclasses



6. Which of the following correctly lists computer memory types from lowest to highest speed?

1. Main Memory, Cache Memory, Secondary Storage
2. Cache Memory, Secondary Storage, Main Memory
3. Secondary Storage, Main Memory, Cache Memory
4. Secondary Stage, Cache Memory, Main Memory
निम्न में से कौन कंप्यूटर मेमोरी प्रकारों को निम्नतम से उच्चतम गति तक सही ढंग से सूचीबद्ध करता है?
SHOW ANSWER
  Answer 3
Explanation: Computer memory types from lowest to highest speed are Secondary memory, Main memory: RAM, ROM, Cache, Registers ©navclasses



7. What is the full form of the abbreviation GIF?

1. Graphics Interchange Format
2. Graphics Interchange File
3. Global Interchange Format
4. Graphics Input Format
संक्षिप्त नाम जीआईएफ का पूर्ण रूप क्या है?
SHOW ANSWER
  Answer 1
Explanation: Graphics Interchange Format is a format for images ©navclasses



8. Speed of Internet is measured in

1. GHz
2. Gbps
3. GB
4. Dpi
इंटरनेट की गति . में मापी जाती है
SHOW ANSWER
  Answer 2
Explanation: Gbps: Speed of Internet is measured in Gigabits per second
GB: gigabyte used for storage capacity
GHz: gigahertz used for clock speed for CPU
DPI: dot per inch is the output resolution of a printer
©navclasses



9. MOODLE is an abbreviation of


A. Modular Object-Oriented Distance Learning Environment
B. Modular Object-Oriented Dynamic Learning Environment
C. Modular Object-Oriented Distance Legislative Environment
D. Modular Object-Oriented Distance Legal Environment
MOODLE
. का संक्षिप्त रूप है
SHOW ANSWER
  Answer 2
Explanation: Moodle is based on pedagogical concepts and is used in schools, universities, workplaces, and other industries for mixed learning, distance education, flipped classrooms, blended learning, and other e-learning ventures.
Moodle was created by Martin Dougiamas in 2002 to assist educators in creating online courses with an emphasis on engagement and interactive content creation, and it is still evolving today.
©navclasses



10. Given below are two statements

Statement I: Compilers are software
Statement II: Touch screen monitors are input/output devices
In light of the above statements, choose the most appropriate answer from the options given below

1. Both Statement I and Statement Il are true
2. Both Statement and Statement Il are false
3. Statement is true but Statement II is false
4. Statement is false but Statement Il is true
कथन I: कंपाइलर सॉफ्टवेयर होते हैं
br कथन II: टच स्क्रीन मॉनिटर इनपुट/आउटपुट डिवाइस हैं
उपरोक्त कथनों के आलोक में, नीचे दिए गए विकल्पों में से सबसे उपयुक्त उत्तर चुनें

SHOW ANSWER
  Answer 1
Explanation: Compilers are system software that translates high-level language into low-level machine language
Touch screen monitors both input and output devices like we type input and display output.
©navclasses



12 thoughts on “29 Sept 2020 (People & Environment and ICT) First Shift NTA UGC NET JRF Question paper, Answer key”

  1. All questions are right 🤘🤘🤘🤘
    Mam kal raat vali special class m muja ek doubt tha ….but ab ya mock test dhaker vo doubt bhi clear ho gya…..mam aap itni jyada classes or test lata ho ki agar khi pr koi doubt hota hai to aapki class ya test hi doubt clear kar dati hai…thanku so much mam 🙏🙏🙏🙏🙏🙏💓💓#navlearner #dbaa #jrfismine

  2. 9/10
    Thank you so much mam
    Aapke free learner hu mam aapke class le kr Sare concept clr ho rhe h jaha dikt hone lgte h wha aapke maha episode fir se dekh lete clr ho jate
    Hm log k liye bhi aap itne mehnat krte ho 😊😊
    Dream believe act achieve😍😍
    Navlearner##jrf is mine

  3. 6/10…thank you so much ….i remember the day when only 2/3 questions were correct … But today I get 6 marks out of 10. I m improving day by day just becoz of uh mam…love uh mam
    #DBAA

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