Originally Posted by A Zeee

Following are some major mistakes in that paper:



1. Which instrument measures rainfall?

Right answer is "Rain Gauge" which was not given in list of options. Closest answer was hygrometer which does not measure rain but it does measure moisture in atmosphere. All students should be given 1 mark for this MCQ.



2. How many layers are there in the atmosphere?

Most appropriate answer was "5" but it was not given as an option. Moreover, according to many authentic books, closest mentioned correct option was 4 which is the number of primary layers of atmosphere. Therefore, 4 should be considered as right option.



3. What was the growth rate of Pakistan according to World Bank's report in 2018?

In this question time period was not specified adequately. World Bank has published several reports regarding growth rate of Pakistan in 2019 with various different rates. Therefore, there were again more than one right options. All students must get 1 mark for this MCQ who have written any correct rate of World Bank's published reports in 2018.



4. Which one is the rarely deficient macromineral in human body?

This question also had several correct options such as magnesium, Chlorine and Phosphorus. All 3 are rarely deficient in humans. So, whoever has marked any of these options should get one mark.



5. Location in human body where Rough Endoplasmic Reticulum (RER) or endoplasmic reticulum with ribosomes is synthesized?

Question was wrong. It is synthesized inside cell which was not an option. If the question was what is synthesized by rough endoplasmic reticulum or endoplasmic reticulum with ribosomes, in that case, option "protein" was correct.



6. What is the speed of sound?

The right option is 1234.8km/h. Right option was not given as option in the paper. Closest correct answer was 1246 km/hour because it is the speed of time at room temperature i.e 25 degrees celsius. It should be considered correct.



7. Literacy rate of Christian countries is 90%. What is the literacy rate of Muslim countries?

There are several answers depending upon the source. No source was mentioned in the paper. Given options were 40, 50, 60 & 80. None of the options was correct answer according to valid sources. Correct options, as per valid sources are in fractions such as 63.7%, 54.3% etc. None of the options is even slightly closer to the correct answer. Apart from source, time period for such reported rate was also not mentioned. All candidates must get 1 mark for this.



8. What is the memory of ordinary CD?

This question had several correct options because there are many kinds of ordinary CD's. Each have different memory such as 685 MB, 690 MB, 710 MB etc. According to valid IT and computer science books of international standard, memory of CD depends upon its timing, brand etc. Therefore, all given options should be considered correct. Moreover, Units such as MB, GB, KB etc. were not mentioned because CD's do have memories in MBs as well as in GBs. Memories can also be written as maximum or minimum memory. Which was also not mentioned. All options should be considered correct in that case.



9. Vitamin E is associated with which mineral?

Two given options were absolutely correct. Both Selenium & Magnesium are being studied by scientists in relation to Vitamin E to check their effect if given in combination. Question was not clear and that ambiguity makes both options correct. Both Selenium & Magnesium helps in absorption of Vitamin & and enhances its effects.



10. UCH is located in which province?

That question has also two correct options. UCH is a city in Southern Punjab. Also, UCH is an area near Dera Bughti in Balochistan where UCH gas fields are located. Both Punjab and Balochistan was in the list of options. Therefore, both options should be considered correct.



11. Fruit is produced from which part of flower?

Again two correct options. Ovary converts into fruit and from ovule it is originated. Both were options so, both should be considered correct.



12. When Taj Mahal was built?

Taj Mahal was built in 1632-1653. Some sources has written 1631 as well. Given options were 1630, 1633, etc. None of them was correct. Neither as start date nor as finished date. Some years were given which were before the start while others were years between the construction. All figures between 1631 to 1653 should be considered correct. Correct option was not given so, grace mark should be awarded for this MCQ.



13. Crude oil can be maximum heated in furnace at what temperature?

Correct option is 350 degrees celsius which was indeed in options but according to many other reliable books and resources, 400 degrees celsius is also a correct option which was also in option list. Mark should be awarded for both options.



14. Brain is composed of water in what percentage?

Right option was not given which is 73% according to valid medical books. Various sources give varying number of figures ranges from above 60% to less than 90%. Given options were 60%, 70%, 80%, 90%. None of them is close to right option. So, all options should be considered correct.



15. Yeast is used in making of breads because it releases?

None of the options is correct. Answer is CO2 but closest given option was carbon. It should be considered correct.



16.At which temperature acidobacteria die?

All given options were wrong according to valid biology & bacteriology books. Optimum temperature for acidobacteria is 50-60 degrees celsius. Correct answer is above 60 degrees celsius. It was not given as answer. Therefore, grace mark should be awarded to all candidates.



17. Image formed by camera is?

There were again two right option given in paper. It is correct that image taken by camera is real and inverted but the third part that if image is magnified or diminished, it depends upon the size of the object. If object is large such as building, image will be diminished but if object is small such as fly, image will be magnified. Therefore, question was ambiguous due to inadequate information. There were two correct options. Therefore, both should be considered correct. According to reliable physics books, placement of object with respect to focal length of lens of camera is the deciding factor about image being magnified or diminished.



18. Which one is the Pakistan's 2nd largest oil field under OGDCL?

It can be interpreted in two ways. Firstly, it is being asked that which one is the second largest oil field in Pakistan. Secondly, it is being asked that Which is the second largest oil field under OGDCL. Answer to first is Qadirpur. Answer of second part is different. Again two correct options. Both should be considered correct.