psc.cg.gov.in State Service Mains Exam Technology & Environment Sample Paper : Chhattisgarh Public Service Commission

Organisation : Chhattisgarh Public Service Commission
Exam : State Service Mains Exam
Paper: Science, Technology & Environment
Document Type : Model Question Paper

Website : http://www.psc.cg.gov.in/htm/notification.html
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/11454-techonolgy.pdf

State Service Mains Exam Environment Sample Paper

Maximum Marks : 200
Time : 03:00 Hours

Related : Chhattisgarh Public Service Commission Constitution & Public Administration Question Paper : www.pdfquestion.in/11450.html

Instructions For Candidates

1. All questions are compulsory.
2. Extra time of 10 minutes will be given for careful reading and understanding instructions as well as for making required entries in Question Paper and Question Cum Answer Booklet (QAB).

3. Before making any entry on Question Paper and QAB candidate should count and check the no. of pages and if any discrepancy is seen then invigilator should be informed immediately for another copy of Question Paper/ QAB.
4. Each entry on Question paper and QAB should done with Black/ Blue Ball Point Pen .

5. In Hindi/ English format of questions some minor spelling/ other mistake in either one of languages will not be considered objectionable as it is expected that candidates eing graduate can percept and understand that. No applications regarding the same will be entertained by the commission.

6. Use of Calculators, Log Tables, Mobile Phones, Pagers and any other type of communication or calculating devices are strictly prohibited and punishable.
7. Rough work can be done only on last two pages of Question Paper

Model Questions

Section-1 :
Part – 1 :
Q.No1- Explain the effect of temperature on the rate of reaction.
Q.No2- Defince PH. Calcuate the PH value of 10-2 M HCL Solution.
Q.No3- Differentiate between exothermic and endothermic reactions with suitable example
Q.No4- All ores are minerals but all minerals are not ores. Explain with examples.

Part – 2 :
Q.No 1- Give two example of fossil fuels. what are disadvantages of fossil fules?
Q.No 2- What do you understand by the focal length and radius of curvature of a convex mirror. What is the relation between them.
Q.No 3- Define critical angle and total internal reflection.
Q.No 4 – A student has difficulty in reading the black board while sitting in the last row. What could be the defect student is suffering from ? How can it be corrected ?

Part – 3 :
Q.No1- What is Parasitism ? Give Example.
Q.No2- Which light are shows higher process of Photosynthesis and why ?
Q.No3- What is an aerobic respiration ? Write the equation.
Q.No4- What is mineral nutrient element.

Part – 4 :
Q.No. 1- What do you mean by computer Software?
Q.No. 2- Define pest management.
Q.No. 3- Write down full form of INSAT.
Q.No. 4- Define non-renewable energy resources with suitable examples.

Part – 5 :
Define the followings:
Q.No.-1 Strip cropping
Q.No.-2 Decomposers
Q.No.-3 Hydrosere
Q.No.-4 Planktons

Section-2 :
Part – 1 :
Q.No5- What do you mean by PH scale? Can a solution have PH less than zero or more than 14? Explain with reasons.
Q.No6- Discuss different methods to prevent corrosion of iron.

Part – 2 :
Q.No-5 How has the traditional use of water energy been modified for making it more benefitial to human life ?
Question-6 Explain the mechanism of release of energy from the sun.

Part – 3 :
Q.No5- What is the hydroponics ? Write its uses.
Q.No6- Write the important function of blood.

Part – 4 :
Q.No. 5-Write a short note on IRS.
Q.No. 6- What is artificial intelligence in the field of computer?

Part – 5 :
Q.No.-5 Explain ecological diversity with suitable examples.
Q.No.-6 ‘Red Data Book’ of I.U.C.N. is related to which subject ?

SECTION-3 :
Part – 1 :
Q.No7- What is chemical equilibrium? State and explain Le-chateliers Principal with examples.

Part – 2 :
Question-7 Discribe the construction of bio-gas (Gobar gas) plant. How it is useful as alternative source of fuel?

Part – 3 :
Q.No7- Explain the function of Liver.

Part – 4 :
Q.No. 7- Write is computer ? Explain the different parts of C.P.U.

Part – 5 :
Q.No.-7 What are the Non-Conventional energy sources ? Explain in brief.

SECTION-4 :
Part – 1 :
Q.No8- Define and discuss with examples the term acid and base according to (i) Arrhenius Principle (ii) Bronsted Lowry principle and (iii) Lewis principle.

Part – 3 :
Q.No 8- Write the source and function of following any three hormones
i. Thyroxin ii. Insulin iii. Adreanelin iv. Estrogen

Part – 5 :
Q.No.-8 Why the Value Education is needed ? Write its importance for the society.

Section-5 :
Part – 2 :
Question-9 What are X-rays ? Write similarities and dissimilarities between ordinary light and X-ray beam. Write the properties and uses of X-rays.

Part – 4 :
Q.No. 9- Describe in detail the National Policy of Science & Technology of India, mentioning different amendments in it. Also justify why a country is needed to have it.