Wednesday, 8 November 2017

Objections with Explanations in the Official answer key of NTSE Stage I 2017-18 (Punjab)


SCERT, Punjab has issued the Answer key of NTSE Stage I 2017-18
Objections can be filed up to 5 p.m. on 13.11.17
at stsepunjab@yahoo.com (mail on this id is not getting delivered), sisepunjab@yahoo.com
Objections in MAT Answer Key
Q.13. Answer given is Option no 3. But there is no sequence according the option.
Q.43. What is the minimum no of different colours required to paint the given fig. such that no two adjacent regions have the same colour ?

In this question answer given is 3 but the correct answer is 4. That is option 2

Objections in SAT Answer key
Q. 57 The most important safety measure used for protecting home appliances from short circuiting or overloading
(1) Earthing  (2) Use of fuse (3) Use of Stabilizer
(4) Use of electric meter
Answer given in official answer key is 4 i.e. Use of electric meter
The correct answer should be 2 i.e. Use of fuse

Explanation - On page 238 NCERT Textbook Chapter 13 ( Magnetic Effects of electric current), it is clearly written A fuse in a circuity prevents appliances and the circuit due to overloading or Shot circuit.
Q.129 Which state of India has the maximum area under forest ?
1. Haryana       2. Tripura         3. Rajasthan        4. Karnataka
Answer given in the official answer key is Option 2 i.e. Tripura
The Correct answer should be Option 4 i.e. Karnataka

Explanation - State of India which has the maximum area under forest is Madhya Pradesh
Madhya Pradesh has the largest forest cover of 77,522 sq. km. in terms of area in the country followed by Arunachal Pradesh with forest cover of 67,321 sq. km.
http://pib.nic.in/newsite/PrintRelease.aspx?relid=106228

Even if we go by the four options given in the question - Karnataka (36132 sq.km area under forest) should be the correct answer in comparison to Tripura (7866 sq.km area under forest)
http://fsi.nic.in/cover_2013/sfr_forest_cover.pdf
(here we have to keep in mind that Question asked is about maximum area under forest, not the maximum percentage of area under forest cover)

Q. 144 Foreign trade ...........................
1. Increases choices of goods                    2. Decreases prices of goods
3. Increases competition in the market      4. Decreases earnings
Answer given in the official answer key is Option 4 i.e. Decreases earnings
The Correct answer should be Option 3 i.e. Increases competition in the market

Explanation - On Page No. 61, Economics Chapter No.4 (Globalisation and The Indian Economy), NCERT Book, under the heading - 'Foreign Trade and Integration of Markets' it is clearly written - In general with the opening of trade, goods travel from one market to another. Choice of goods in the market rises. Prices of similar goods in the two markets tend to become equal. And PRODUCERS IN THE TWO COUNTRIES NOW CLOSELY COMPETE AGAINST EACH OTHER EVEN THOUGH THEY ARE SEPARATED BY THOUSANDS OF MILES.












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