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(a) What type of mutation occurred in the figure? Explain your reason within 100 words. [2] 5. (b) Give a real life example of this type of mutation. [2]5. (c) Do you think any other type of DNA disorder can occur in the mentioned sequence due to the environmental causes? Why/Why not? Explain your reason within 100 words. 

1. (a) write down 2 distinguishing features between ATP and ADP. [2] 1. (b) Is there any difference between cellular respiration and photosynthesis? Justify your answer in no more than 4 sentences. [2] 1. (c) What makes aerobic respiration different from anaerobic respiration? Mention 2 such major distinguishing features. [2]

2. (a) Define chromosome and gene. [1+1] 2. (b) Show different allele combinations for Tall (T) character and mention their allele types. [2] 2. (c) The following is the diagram of a pair of chromosomes. Identify a pair of alleles, a gene locus and three pairs of genes. [2]

6 points

3. (a) Write down the two important differences between the first phase of mitosis and the first phase of meiosis cell division. [2] 3. (b) What makes HeLa cells different from any other cell types? What kind of cell division takes place in a HeLa cell line grown in a laboratory? [1+1] 3. (c) How many chromosomes are there in 4 duplicated chromosomes? [2]

4. (a) Write down two key features of DNA double helix. [2] 4. (b) Explain why DNA replication is semi-conservative in nature (maximum 100 words). [2] 4. (c) What would happen if a prokaryotic cell didn’t have the DNA polymerase enzyme? [2]

5. (a) What type of mutation occurred in the figure? Explain your reason within 100 words. [2] 5. (b) Give a real life example of this type of mutation. [2] 5. (c) Do you think any other type of DNA disorder can occur in the mentioned sequence due to the environmental causes? Why/Why not? Explain your reason within 100 words. [2]

Observe the table carefully and answer the following questions. Calculate the inflation rate for the year 2019 and base year is 2017 ced out of ag question 125% 25% 132% None of the given options are correct. Year 1000 Kgs Vegetables Price/Kg Total expenditure 2016 1.7 1700 2017 1.8 1800 2018 2.1 2100 2019 2.25 2250

3) A company purchased a machine for BD 120.000 and learned that a similar new machine can be purchased now at BD 170,000. It will be depreciated with straight line for 10 years and has no salvage value. You expect the new machine will produce income of BD 60,000for the next 10 years. The current machine is expected to produce BD 30,000 per year. The current machine is depreciated on a straight line basis for 10 years and has no salvage value. The market value of today’s old machine is BD 40,000 Tax rate is 20% and opportunity cost of capital is 10% for the equipment Should you replace the machine?

Which among the following define the Bank Rate? of ston Rate of interest at which central bank lends to the customer, Rate of interest at which customer lends to the central bank Rate of interest at which commercial bank lends to central banks, Rate of interest at which central bank lends to commercial banks, weston 27 ot yet nswered

Which among the following is called a banker bank?

Flag question Central Bank Commercial Bank Agricultural Bank Foreign exchange bank

Calculate saving and aggregate expenditure when real income is 240, from the given table. answered Marked out of 1.00 P Flag question Savings is 30 and Aggregate expenditure is 235. Savings is 185 and Aggregate expenditure is 215. None of the given options are correct.

Savings is -30 and Aggregate expenditure is 185. Real income Consumption (C) Savings (S) Planned Investment Aggregate (0) expenditure Y GDP-DI 200 180 20 25 205 240 210 ? 25 ?

Question 44 Not yet What is the average propensity to save? answered Marked out of 1.00 F Flag question Ratio of total saving to total income. Ratio of total consumption to total income. Ratio of change in saving to income. Ratio of change in consumption to income.

Question 36 Which among the following will fill the gap between income and consumption? answered Marked out of 1.00 P Pag question Investment Taxes. Export Import

Question 35

Which of the following is a cause for excess demand? answered Marked out of 1.00 Fag question Decrease in autonomous investment Increase in government expenditure Increase in deficit balance of payment All the given options are correct

Question 50 Not yet Which among the following is made to do the contract today and buy and sell in the future? answered Marked out of 100 Flag question Contract Exchange Rate. Multiple Exchange Rate. Effective Exchange Rate. Forward Exchange Rate Question 48 Not yet Which among the following was the most suitable sector for Oman as a source of National Income? answered Marked out of 1.00 Flag question Secondary Sector Foreign Sector Tertiary Sector Primary Sector

Ques Not yet Total expenditure for the production of 1000 Kgs vegetables is given in the table. Observe the table carefully and answer the following questions. Calculate consumer price index for the year 2019 and base year is 2017, answered Marked out of 100 Hag question 0.8 None of the given options are correct 1.25 1.07 Year 1000 Kgs Vegetables Price/Kg Total expenditure 2016 1.7 1700 2017 1.8 1800 2018 2.1 2100 2019 2.25 2250 Question 7 Deficient demand occurs. Not yet answered 14 Marked out of 1.00 Before the equilibrium at full employment At the equilibrium point at full employment After the equilibrium at full employment None of the given options are correct P Flag question

What is the Average Propensity to Consume (APC) for total income is 360 and consumption is 2707 Observe the table carefully- and answer the given question. e ked out of Income Consumption APC MPC lag question 360 270 ? Not required 450 315 Not required Not required Queston 6 Not yet What is the Average Propensity to Consume (APC) for total income is 360 and consumption is 2707 Observe the table carefully and answer the given question answered Marked out of 1.00 Income Consu PC Flag question 360 1.33 None of the given options are correct. 0.75 0.25 quired 450 quired

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