General Science and Ability CSS-2019

GENERAL SCIENCE & ABILITY

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

1. Permanent hardness of water is due to the presence of:

(a) Sodium bicarbonate                                        (b) Calcium sulphate

(c) Calcium bicarbonate                                       (d) None of these

2. How many bones are in human body? (a) 204 (b) 205            (c) 206                                        (d) 208
3. Which vessel provides blood to liver?

(a) Hepatic portal artery                                    (b) Veins

(c) Arteries                                                                                    (d) None of these

4. What is not included in earth’s environment?

(a) Lithosphere              (b) Stratosphere             (c) Biosphere                (d) None of these

5. Which control rods are used in nuclear reactor?

(a) Cadmium                 (b) Copper                      (c) Graphite                  (d) None of these

6. Which country lies on equator?

(a) Kenya                       (b) China                        (c) Bhutan                     (d) San Salvador

7. What is anthracite?

(a) Carbon                      (b) Pure carbon            (c) Ammonia                (d) None of these

8. How many bits are required to store hexadecimal word AF?

(a) 2 bits                         (b) 4 bits                         (c) 8 bits                        (d) 12 bits

9. What is pre-released soOftware’s version?

(a) Beta                          (b) Alpha                        (c) Gamma                    (d) None of these

10. What organelles plant cells have?

(a) Cell wall                                                            (b) Vacuoles

(c) Cell wall and vacuoles                                  (d) None of these

11. What is the protein metabolism waste in human? (a) Urea (b) Ammonia       (c) Magnesium                   (d) None of these
12. Light year is the unit of: (a) Light (b) Distance                               (c) Depth       (d) None of these
13. T)he macronutrients of plants: (a) Nitrogen (b) Potassium          (c) Phosphorous                 (d) All of these
14. Atomic number is also called: (a) Proton number (b) Electron number (c) Both of these (d) None of these
15. Which is the example of warm blooded animal? (a) Reptiles (b) Dolphin      (c) frog                                (d) None of these
16. Blood contains: (a) Red blood cells (b) White blood cells (c) Platelets                                       (d) All of these
17. H+ is yielded by: (a) Acids (b) Alkalis                      (c) Both of these      (d) None of these
18. What is said to the unavailability of a system’s thermal energy for conversion into mechanical work?

(a) Thermodynamic (b) Entropy               (c) Negentropy             (d) None of these

19. Bronze medal is made up of metals (a) Copper, nickel (b) Copper, tin        (c) Copper, silver              (d) Copper, zinc
20. The loudness of sound depends on its: (a)’ Wavelength (b) Frequency                                       (c) Amplitude                 (d) All of these