General Science and Ability CSS-2020

GENERAL SCIENCE & ABILITY

❑ Select the best option/answer and fill in the appropriate Box on the Answer Sheet.

1. The shape of our Milky Way galaxy is:

(a) Spiral                        (b) Elliptical                 (c) Lenticular          (d) None of these

2. Humidity is measured by:

(a) Polarimeter                     (b) Hygrometer              (c) Hydrometer                    (d) None of these

3. Electromagnetic radiation is higher energy than visible radiation in:

(a) Infrared rays          (b) Microwave rays       (c) X-rays                    (d) None of these

4. Bond of H₂O is:

(a) Ionic                                                     (b) Metallic

(c) Non-polar covalent                                     (d) Polar covalent

5. Which of the following is P-type semiconductor?

(a) Germanium                    (b) Gallium                    (c) Silicon                   (d) None of these

6. In which atmosphere layer the temperature is about -90°C?

(a) Mesosphere             (b) Troposphere           (c) Thermosphere        (d) Stratosphere

7. Which of the following is non-sedimentary rock?

(a) Limestone              (b) Sandstone              (c) Granite                    (d) None of these

1. Greenhouse gases absorb the:

(a) Infrared radiation                                               (b) Ultraviolet radiation

(c) Visible radiation                                        (d) None of these

9. is viral waterborne disease. (a) Typhoid (b) Cholera (c) Hepatitis A (d) None of these
10. The current recommended limit of arsenic in drinking water by World Health Organization is:

(a) 10 p2/L                    (b) 100 pg/L                (c) 200 ug/L               (d) None of these

11. Which of the following is not a basic step in creating a worksheet?

(a) Copy the worksheet                                         (b) Save workbook

(c) Modify the worksheets                              (d) None of these

12. Set of programs which consist of full set of documentations is termed as:

(a) Database                                                  (b) File

(c) Software package                                              (d) Software

13. is the primary consideration in designing knowledge-based Al systems.

(a) Analogy                 (b) Efficacy                  (c) Efficiency                  (d) None of these

14. Size of MAC address in computer network is: (a) 16 bits (b) 32 bits      (c) 48 bits
15. What is non-reducing sugar? (a) Maltose (b) Sucrose (c) Glucose
16. Which of the following is unsaturated fat? (a) Cheese (b) Butter (c) Vegetable oil
17. Which vitamin is known as ‘Blood clotting vitamin’? (a) A (b) C (c) K
18. Planets between earth and sun are:

(a) Mercury and Mars                                              (b) Venus and Mars

(c) Mercury and Venus                               (d) None of these

I/. Aedes aegypti transmits:

(a) Malaria                      (b) Dengue fever              (c) Typhoid fever

311. Which organelle is called powerhouse of cell?

(a) Mitochondria        (b) Ribosome                    (c) Plastids