MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your LPU NEST knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The probability that an electronic device produced by a company does not function properly is equal to 0.1. If 10 devices are bought, then the probability, to the nearest thousandth, that 7 devices function properly is |
| A. | 0.057 |
| B. | 0.478 |
| C. | 0.001 |
| D. | 0 |
| Answer» B. 0.478 | |
| 2. |
A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is |
| A. | 10 |
| B. | 15 |
| C. | 2100 |
| D. | 8 |
| Answer» D. 8 | |
| 3. |
Students in a biology laboratory were asked to view certain cells microscopically and measure the size of a single cell. They were given a compound microscope with an eyepiece of 15X magnification and an objective lens of 10X magnification. The eyepiece has a scale with a least count of 10 μm. When the students focused the cells under the given microscope, they found that one cell measured 60 divisions on the eyepiece scale. What is the approximate size of that cell? |
| A. | 0.47 μm |
| B. | 2.8 μm |
| C. | 4.0 μm |
| D. | 24 μm |
| Answer» D. 24 μm | |
| 4. |
Which of the following pairs is an incorrect match? |
| A. | Transcriptional repression — gene regulation |
| B. | Post-translational modifications — phosphorylation |
| C. | Cytoplasm — exon splicing of eukaryotic pre-mRNA |
| D. | Enhancers — increased transcription |
| Answer» D. Enhancers — increased transcription | |
| 5. |
In an office, 30% of the employees have scooters and 25% have cars. Among those who have scooters, 90% do not have cars. The probability that an employee has a car given that he does not have a scooter is |
| A. | 11/35 |
| B. | 33/100 |
| C. | 11/50 |
| D. | 9/10 |
| Answer» B. 33/100 | |