136 . Ohm's low is

A. P=VI
B. I2R
C. V=RI
D. P=V2/R

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Answer: Option C

Explanation:

137 . One Ton of Refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice---

A. In 1 hour
B. In 24 hour
C. In 10 minutes
D. In 12 hour

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Answer: Option B

Explanation:

ঢাকা ইলেকট্রিক সাপ্লাই কোম্পানি ।। Assistant Engineer (20-05-2023)

A. During the midpart of menstruation
B. During the midpart of menstruation
C. During female orgasm
D. 14 days after the onset of menstruation

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Answer: Option A

Explanation:

৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. Ultraviolet
B. Infra-red
C. Gamma rays
D. X-rays

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Answer: Option A

Explanation:

The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains a high concentration of ozone (O₃) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in Earth's atmosphere as a whole is about 0.3 parts per million. The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 15 to 35 kilometers (9.3 to 21.7 mi) above Earth, although its thickness varies seasonally and geographically.

140 . Parasitic infection associated with anemia is :

A. Onchocerca volvulus
B. Necator americanus
C. Loa loa
D. W. bancrofti

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Answer: Option B

Explanation:

The main parasites causing blood loss in man and leading to direct iron - deficiency anemia are the common worm infections. These include hookworm infection (Necator americanus and Ancylostoma duodenale); whipworm infection (Trichuris trichiura); and schistosomiasis (Schistosoma mansoni, S. haematobium, and S.

৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. Vitamin A deficiency
B. Chloramphenical therapy
C. Myasthenia gravis
D. Diabetes mellitus

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Answer: Option D

Explanation:

বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. Roots of the plants
B. Stems of the plants
C. Green parts of the plants
D. All parts of the plants

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Answer: Option C

Explanation:

Photosynthesis বা সালোকসংশ্লেষণ একটি জৈব রাসায়নিক প্রক্রিয়া । এ প্রক্রিয়ায় উদ্ভিদের সবুজ অঙ্গ (বিশেষ করে পাতা) সূর্যালোক হতে শক্তি সংগ্রহ করে এবং ঐ শক্তি কাজে লাগিয়ে পানি ও CO2 এর রাসায়নিক বিক্রিয়ার মাধ্যমে শর্করা জাতীয় খাদ্য প্রস্তুত করে । এ প্রক্রিয়ায় আলোক শক্তি রাসায়নিক শক্তিতে পরিণত হয় । সুতরাং সবুজ অঙ্গের মাধ্যমেই সালোকসংশ্লেষণ বা Photosynthesis সংঘটিত হয়।

৩৪ তম বিসিএস প্রিলিমিনারি টেস্ট (24-05-2013)

A. Smoking in pregnancy
B. Dieting in pregnancy
C. Post maturity
D. Multiple pregnancy

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Answer: Option B

Explanation:

Placental insufficiency or utero - placental insufficiency is the failure of the placenta to deliver sufficient nutrients to the fetus during pregnancy, and is often a result of insufficient blood flow to the placenta. The term is also sometimes used to designate late decelerations of fetal heart rate as measured by cardiotocography or an NST, even if there is no other evidence of reduced blood flow to the placenta, normal uterine blood flow rate being 600mL/min.

বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. 6.55x10-24 erg sec
B. 6.65x10-27 erg sec
C. 6.72x10-25 erg sec
D. 6.74x10-26 erg sec

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Answer: Option B

Explanation:

145 . Plasma clearance value of glucose is :

A. 125ml /min
B. 140ml/min
C. 0ml / min
D. 75ml / min

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Answer: Option C

Explanation:

All filtered glucose is reabsorbed at plasma concentrations below 250 mg/dl. ) is about 375 mg/min. Glucose begins to appear in the urine at about 250 mg/min. ) is 0 when the plasma concentration is below 250mg/dl because no glucose is excreted.

৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. Histoplasmosis
B. Scleroderma
C. Rheumatoid Arthritis
D. Organized haemothorax

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Answer: Option C

Explanation:

Pleural plaques are usually asymptomatic but are a marker of asbestos exposure, indicating greater risk of developing pulmonary fibrosis or asbestos - related malignancies.

They are composed of dense and relatively acellular connective tissue.

They often have a rectangular shape and may be calcified or not.

বাংলাদেশ রেলওয়ে ।। হাসপাতালসমূহে সহকারী সার্জন (পায়রা) (06-05-2005)

A. Tellers
B. Merchants
C. Government
D. Central Bank

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Answer: Option B

Explanation:

A point of sale (POS) is a place where a customer executes the payment for goods or services and where sales taxes may become payable.
A POS transaction may occur in person or online, with receipts generated either in print or electronically. Cloud - based POS systems are becoming increasingly popular among merchants.
POS systems are increasingly interactive, particularly in the hospitality industry, and allow customers to place orders and reservations and pay bills electronically.

148 . Poise' is the unit of

A. Porocity
B. Fluidity
C. Viscosity
D. Viscosity

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Answer: Option C

Explanation:

149 . Pre XDR tuberculosis means:

A. TB resistant to isoniazid, rifampicin and ciproflozacin
B. TB resistant to inoniazid , rifampicin and pyrazinamide
C. T B resistant to isoniazid and rifampicin
D. TB resostant to isoniazid and ciproflozacin

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Answer: Option A

Explanation:

Pre - XDR - TB is defined as TB with resistance to isoniazid and rifampicin and either a FQ or a second - line injectable agent but not both6. An incidence of FQ resistant MDR - TB is increasing globally but unfortunately, till date limited data are available on prevalence of pre - XDR - TB worldwide

৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার) (03-08-2018)

A. Dividends
B. Equity
C. Bonds
D. None of these

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Answer: Option A

Explanation:

A dividend is the distribution of some of a company's earnings to a class of its shareholders, as determined by the company's board of directors. Common shareholders of dividend - paying companies are typically eligible as long as they own the stock before the ex - dividend date.

Dividends may be paid out as cash or in the form of additional stock.

136 . Ohm's low is

137 . One Ton of Refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice---

138 . Ovulation occurs:

139 . Ozone layer prevents -- radiation from entering the atmosphere ?

140 . Parasitic infection associated with anemia is :

141 . Peripheral nephropathy is associated with _

142 . Photosynthesis takes place in -----

143 . Placental insufficiency is caused by all except _

144 . Plank's Constant--

145 . Plasma clearance value of glucose is :

146 . Pleura calcification is found in __

147 . Points of Sale (POS) machine is widely used by the-

148 . Poise' is the unit of

149 . Pre XDR tuberculosis means:

150 . Profits of a firm that are distributed or given out to its investor are called -

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