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NEET 2020
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NEET/Medical Medical
65 followers study24x7 03 Jun 2021 01:16 PM study24x7 study24x7

In the air, N2 and O2 occur naturally but they do not react to form oxides of nitrogen because

A

oxides of nitrogen are unstable

B

catalyst is required for the reaction

C

the reaction is endothermic

D

N2 and O2 do not react with each other

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65 followers study24x7 03 Jun 2021 01:16 PM study24x7 study24x7

The compound essential for the process of photosynthesis has this element

A

Ca

B

Ba

C

Fe

D

Mg

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65 followers study24x7 03 Jun 2021 01:15 PM study24x7 study24x7

The coldest region of the atmosphere

A

Troposphere

B

Thermosphere

C

Stratosphere

D

Mesosphere

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65 followers study24x7 03 Jun 2021 01:15 PM study24x7 study24x7

The reaction responsible for the radiant energy of the Sun is

A

nuclear fission

B

nuclear fusion

C

chemical reaction

D

combustion

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65 followers study24x7 03 Jun 2021 01:14 PM study24x7 study24x7

depletion of the ozone layer is caused due to

A

 Ferrocene

B

 Fullerenes

C

Freons

D

Polyhalogens

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65 followers study24x7 03 Jun 2021 01:13 PM study24x7 study24x7

Photochemical smog normally does not contain

A

Chlorofluorocarbons

B

Peroxyacetyl nitrate

C

Ozone

D

Acrolein

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65 followers study24x7 03 Jun 2021 01:13 PM study24x7 study24x7

Summary About Environmental Chemistry Environmental Chemistry is the study of all the chemical and biochemical reactions occurring in our surroundings. It deals with the chemical species present in the environment, its origin, fate, transport, reactions, effects, and how human activities affect the environment. Study of the chemical constituent of water, soil and air is required, so environmental chemistry relies on other branches like analytical, soil, aquatic, atmospheric, biochemistry.

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65 followers study24x7 26 Apr 2021 03:34 PM study24x7 study24x7

 Chemicals, that can induce cancer are called

A

Carcinogens and produce malignant tumour

B

carcinogens and produce non-malignant tumour

C

mutagenic agents and do not produce malignant tumour

D

mutagenic agents and produce benign tumour

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65 followers study24x7 26 Apr 2021 03:30 PM study24x7 study24x7

This is cancerous state of blood

A

Uremia

B

Chloremia

C

Leukemia

D

Proteinemia

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65 followers study24x7 26 Apr 2021 03:14 PM study24x7 study24x7

This group consists of non-renewable organic resources

A

Water, air and minerals

B

natural gas, oil and coal

C

wood, water and natural pastures

D

sand, air and clay

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  • Caroline Pattricia
  • B is the right answer
    65 followers study24x7 26 Apr 2021 03:10 PM study24x7 study24x7

    The energy produced by the hydel-power plant is

    A

    Non-polluting and non-renewable

    B

    Polluting and non-renewable

    C

     Non-polluting and renewable

    D

    Polluting and renewable

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    65 followers study24x7 26 Apr 2021 02:58 PM study24x7 study24x7

    Soil conservation is the process where

    A

     soil is aerated

    B

     soil is protected against loss

    C

    sterile soil is converted to fertile soil

    D

     soil erosion is allowed

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    65 followers study24x7 26 Apr 2021 02:46 PM study24x7 study24x7

    Demersal fish is obtained from

    A

    open sea

    B

    sea bottom

    C

    estuaries

    D

    lakes

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    65 followers study24x7 26 Apr 2021 02:42 PM study24x7 study24x7

    In many industries, Tin, steel, and copper are being substituted by

    A

    ceramics

    B

    high-strength glass fibers

    C

    ceramic

    D

    all of these

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    65 followers study24x7 26 Apr 2021 02:39 PM study24x7 study24x7

    Which one represents the regulative function of forests?

    A

    storage and release of gases

    B

     production of essential oils

    C

    production of wood

    D

    conservation of water and soil

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    65 followers study24x7 24 Mar 2021 11:29 AM study24x7 study24x7

    Fathometer is used to measure?

    A

     Earthquakes

    B

    Rainfall

    C

    Ocean depth

    D

    Sound intensity

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    65 followers study24x7 03 Dec 2020 05:14 PM study24x7 study24x7

    The All India Institute of Medical Sciences (AIIMS), Raipur has released an official notification inviting all the interested, eligible candidates for recruitment to the post of Senior Resident. The online application process for AIIMS Raipur Recruitment 2020 will begin from tomorrow, December 3 and the last date to apply for the same is December 18. #AIIMS #aiimsraipur #raipur #doctor #medical #examnotification #ExamNews #study24x7 #jobs #vacancyjob #recruitment #vacancies

    The All India Institute of Medical Sciences (AIIMS), ...
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    65 followers study24x7 02 Dec 2020 12:51 PM study24x7 study24x7

    AIIMS Delhi Recruitment 2020: The All India Institute of Medical Sciences, AIIMS (New Delhi) has released an official notification inviting all the interested and eligible candidates for recruitment to the post of Junior Resident (Non-Academic) session January 2021. The online application process to fill a total of 168 vacancies has started and the last date to apply for the same is December 10. The online registration is available on website -- www.aiimsexams.org #AIIMS #delhi #recruitment #aiimsrecruitment #doctor #vacancy #examnotification #ExamNews #exam #Notification #news #study24x7

    AIIMS Delhi Recruitment 2020: The All India Institute...
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    65 followers study24x7 01 Dec 2020 04:47 PM study24x7 study24x7

    GAIL (India) Limited has invited applications for recruitment to the posts of Cardiologist, Dermatologist, Pediatrician, MO, and others. Candidates can appear for a walk-in-interview on December 3,4,5. #sdmo #dentist #doctor #gail #puc #examnotification #examnews #news #notification #study24x7 #dermatologist #cardiologist #pediatrician #mo #walkininterview

    GAIL (India) Limited has invited applications for rec...
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    65 followers study24x7 28 Nov 2020 03:00 PM study24x7 study24x7

    AIIMS INICET Result 2021:Attention candidates, the All India Institute of Medical Sciences has declared the result of the Institute of National Importance Combined Entrance Test (INICET) on its official website on Friday. Candidates who appeared for the AIIMS INICET exam are requested to visit aiimsexams.org to check and download the results.INI CET 2021 was held on November 20 in computer-based test (CBT) mode. INI CET is the new entrance test that has replaced all the postgraduate entrance tests of AIIMS, JIPMER, PGIMER, and NIMHANS. #inicet #AIMS #aimsinicet #medical #doctor #exam #examnotification #examnews #news #study24x7

    AIIMS INICET Result 2021:Attention candidates, the Al...
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