AUKAT TEST SERIES
Important questions for Madhyamik, Madhyamik mock test series, Madhyamik test series
CH 1: CONCERN ABOUT OUR ENVIRONMENT
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RAMADAN TUTORIAL
MD SHAHBAJ ALAM
Subject: Physical Science FM: 25
PAPER 1 DATE : 22.11.20
Section A (MCQ)
1.In which layer of atmosphere radio wave gets reflected?
(a) ozonosphere
(b) Stratosphere
(c) Ionosphere
(d) exosphere
2.In which of the following layer of the atmosphere ozone gas is found?
(a) troposphere
(b)stratosphere
(c) mesosphere
(d) thermosphere
3.The decrease of temperature at the troposphere layer with per kilometers increase in height is_
(a) 5 degree Celsius
(b) 5.5 degree Celsius
(c) 6 degree Celsius
(d) 6.5 degree Celsius
4.which gas is an ozone-depleting gas?
(a) oxygen
(b) nitrogen
(c) hydrogen
(d) methane
5.The example of bio_fuel is _
(a) gamma rays
(b) alpha ray
(c) UV light
(d) beta ray
Section B (fill in the blank)
1.Name of fossil fuels___.
2.____energy is converted into____energy in geothermal energy.
3.In stratosphere temperatures___with increase in altitude.
4.In troposphere temperature_____with increase in altitude.
5.Some gases that deplete ozone are called ____.
Section C (1 marks)
1.From which layer of atmosphere does radio wave reflect?
2.Write down the unit of calorific value of fuel?
3.Write down the formula of methane hydrate?
4.What are the called the bacteria which convert garbage and excretory products of animal into methane gas?
5.From which ray ozone gas protects us?
Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENT ( ONLY PREPARE )
1.Harmful effect of depletion in the ozone layer?
2.What is an ozone hole?
3.Mention two measures to be taken to minimize the emission of greenhouse gas?
4.What is methane hydrate?
5.What are the harmful effects of using fossil fuels?.
(HINDI VERSION)
F.M. - 25 PAPER 2 DATE : 23.11.20
ENGLISH VERSION
Section A (MCQ)
1. Which of the following is not greenhouse gas?
(a) methane
(b) water vapor
(c) carbon dioxide
(d) oxygen
2.A source of non-conventional energy is__
(a) petroleum
(b) kerosene
(c) biogas
(d) coal
3.Weather balloons reach up to which layer of the atmosphere?
(a) thermosphere
(b) exosphere
(c) mesosphere
(d) stratosphere
4.In which layer of the atmosphere does storms occur?
(a) troposphere
(b) stratosphere
(c) mesosphere
(d) thermosphere
5.Which element found in CFC destroys ozone?
(a) carbon
(b) chlorine
(c) oxygen
(d) hydrogen
Section B (fill in the blank)
1.___energy is converted into___energy in solar cell.
2.___layer of the atmosphere is known as the safety guard of the earth.
3.____energy is converted into___energy in windmill .
4.Some gases that deplete ozone are called ____.
5.Name of fossil fuels____.
Section C (1 marks)
1.What is the name of hot and molten rock present deep inside the earth's surface?
2.Among charcoal, petrol, ethanol which one is a fossil fuel?
3.___is know as fire ice?
4.Which atom released from the chlorofluorocarbons under the influence of UV ray decompose ozone into nitrogen?
5.In which layer of the atmosphere do storm and rains occurs?
Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENTS ONLY PREPARE
1.What is the process of formation of ozone gas in the atmosphere?
2.What is biofuel? State one use of it?
3.What is fuel?
4.What do you mean by global warming?
5.What is geothermal energy?
Section A (MCQ)
BROUGHT TO YOU BY RAMADANTUTROIAL.COM MD SHAHBAJ ALAM M.Sc. MATHS B.Ed.
ANSWER SHEET .
PAPER 1
CH 1 CONCERN ABOUT OUR ENVIRONMENT
Section. A
1.ionosphere
2.stratosphere
3.6degree Celsius
4.chlorine
5.cow dung
Section B
1.coal,petroleum,natural gas
2.heat,electrical
3.increases
4.decreases
5.ozone depleting substance
Section C
1.ionosphere
2.kilo joule per kg
3.C4H4 H2O23
4.methanogenic bacteria
5.ultra violet ray
PAPER 1
CH 1 CONCERN ABOUT OUR ENVIRONMENT
Section A
1.oxygen
2.bio gas
3.stratosphere
4.troposphere
5.chlorine
Section B
1.solar,electrical
2.ozonosphere
3.kinetic,electrical
4.ozone depleting substance
5.coal, petroleum, and nurture gas
Section C
1.magma
2.patrol
3.methane hydrate
4.chlorine
5.troposphere
Section a
ReplyDelete1. Ionosphere
2. Stratosphere
3. 6.5 degree Celsius
4. Methane
5. Gamma ray
Section b
1. Coal, petroleum and natural gas
2. Tidal energy into electric energy
3) Increases
4. Decreases
5. Greenhouse gases
Section c
1. Ionosphere
2. Joules per kilogram
3. 4CH4.23H2O
4. Methanogenic bacteria
5. Ultraviolet rays
Section a
ReplyDelete1-ionosphere 2-stratosphere 3-6 degree Celsius 4-oxygen
Section b
1-petrol 2
3-increases 4-decreases
Section c
1- ionosphere 2-kilo per Joule 5-UV rays
1 Lonosphere
Delete2Mesosphere
Delete2.2. 6.5degree celcius/1000 meter
Delete36.5degree celsius
ReplyDelete4Methane gas
ReplyDelete2.1 wind energy,solar energy, geo-thermal energy , tied energy ,ocean thermal energy conversation,
ReplyDeletePer/165meter 1degeree celcius increase
Delete2.5 cloro floro carban and
Deletemethane
C.1lonosphere ,C.2 ozone gas ki kisi chetra mai kami hone se ozone hole hota hain .
ReplyDeleteC.3 Ch4methane hydred formula
ReplyDeleteC.4 methaneo jenic bacteria
DeleteC.5 ultra voilet rays protect us
ReplyDeleteCH--1
ReplyDeleteSection-A
1. Ans.(c)lonosphere
2.Ans.(b)stratosphere
3.Ans.(c)6℃
4.Ans.(d)me than
5.Ans.(d)UV light
Section--B
1.Ans.coal,Neutral gas
2.Ans.solar,electrical
3.Ans.increase
4.Ans.decrease
5.Ans.ozone depleting substance
Section--C
1.Ans.Ionosphere
2.KJ/gm
3.(CH4)4(H2O)23
4.Chloro Fluoro Carbon
5.Ultra Violet rays.
Sir sectionA ka Qno. 5 right question nahi h.
DeleteSection A
ReplyDelete1/ans:-- (c) आयनमंडल
2/ans:-- (b) समतापमंडल
3/ans:-- (c) 6°C
4/ans:-- (d) मीथेन
5/ans:-- (c) UV प्रकाश
Section B
1/ans:-- कोयला
3/ans:-- तापमान में वृद्धि
4/ans:-- तापमान में कमी
5/ans:-- ODS Gas
Section C
1/ans:-- आयनमंडल
2/ans:-- kj/kg
4/ans:-- मीथेनोजेनीक बैक्टेरिया
5/ans:-- UV rays
Deepak Pandit
ReplyDeleteSection - A (MCQ)
1 - c) ionosphere
2- b)stratosphere
3- d) 6.5 degree Celsius
4- d) methane
5- c) UV light
Section - B ( Fill in the blank )
1. Coal, petroleum and natural gas
2. Heat energy , into electrical energy
3. Increases
4. Decreases
5. Green house gases
Section- C
1. Exosphere
2. Si unit is - joule per kg
3.(............)
4. Methanogenic bacteria
5 . Ultraviolet ray
Deepak Pandit (paper 2 )
ReplyDeleteSection - A (MCQ)
1 - d)oxygen
2- c)biogas
3- b)stratosphere
4- a)troposphere
5- b)chlorine
Section - B ( Fill in the blank )
1. Solar energy , electrical energy
2. Stratosphere
3. Wind energy , electrical energy
4. Green house gases
5. Coal, petroleum and natural gas
Section- C
1. Magma
2. Petrol
3. Methane hydrate
4. O2 (oxygen atom )
5 . Troposphere
Thanking you .🙏
Deepak Pandit (paper 2 )
ReplyDeleteSection - A (MCQ)
1 - d)oxygen
2- c)biogas
3- b)stratosphere
4- a)troposphere
5- b)chlorine
Section - B ( Fill in the blank )
1. Solar energy , electrical energy
2. Stratosphere
3. Wind energy , electrical energy
4. Green house gases
5. Coal, petroleum and natural gas
Section- C
1. Magma
2. Petrol
3. Methane hydrate
4. O2 (oxygen atom )
5 . Troposphere
Thanking you .🙏
Section A (MCQ)
ReplyDelete1. D Oxygen
2. C Bio gas
3. D stratosphere
4. A Troposphere
5. B Clorine
Section B (fill in the blanks)
1. Solar energy-> electricity
2. Ozone layer
3. Kinetic energy-> electricity
4. Ozone depleting substance (ODS)
5. Petroleum
Section C
1. Magma
2. Patrol
3. Methane hydradas
5. Troposphere