General science Quiz 2

 

Science

Quiz

 

1. The second group of elements in periodic table is called –
   1.   Halogen/हैलोजन
   2.   Alkali metals
   3.   Alkaline Earth Metals
   4.   Inert gas
2. The atomic number of N is 7, then the atomic number of the third element of the nitrogen familyis:
   1.   13
   2.   25
   3.   35
   4.   33
3. How many metalloid are there in the fourth period of the modern periodic table?
   1.   3
   2.   2
   3.   1
   4.   0
4. When Mendeleev started the work (classification of elements), ………… elements were known.
   
   1.   64
   2.   63
   3.   65
   4.   61
5. When the pH value increases from 7 to 14, it shows that –
   1.   decrease in H⁺ ion concentration
   2.   increase in OH⁻ ion concentration
   3.   Increase in H⁺ ion concentration
   4.   decrease in OH⁻
      ion concentration
6. Which was discovered as a result of Rutherford's alpha particles scattering experiment?
   1.   Neutron
   2.   Proton
   3.   nucleus in atom
   4.   electrons
7. Oxygen has ………. Atoms in 16g of oxygen.
   1.   6.022 × 10⁻²²
   2.   6.022 × 10²²
   3.   6.022 × 10²³
   4.   6.022 × 10⁻²³
8. Resistance are connected in series in the circuit, the value of current through the circuit is:
   1.   remains the same/एक ही रहता हैं
   2.   increases/बढ़ती हैं
   3.   decreases/ कम हो जाती हैं
   4.   halves/आधा हो जाती है
9. A current of 0.75A is drawn in 8 minutes by a filament of an electric bulb. Find the amount of electric charge flowing through the current.
   1.   360C
   2.   50C
   3.   225C
   4.   270C
10. What is a single frequency sound called?
    1.   note
    2.   pitch
    3.   tone
    4.   Hertz
11. An electric bulb of 100 W is used for 8 hours per day. The energy used by Bulb in a day is ______ units –
    1.   80
    2.   800
    3.   0.8
    4.   8
12. Which of the following statements is incorrect?
    1.   Size of solids is uncertain
    2.   The volume of solids is fixed
    3.   Solids are hard
    4.   Solids are almost incompressible
13. The number of chromosomes in a female germ cell is –
    1.   23
    2.   46
    3.   48
    4.   24
14. The only part of the human body that can regenerate?
    1.   Spleen
    2.   brain
    3.   liver
    4.   Pancreas
15. Relates to cerebellum –
    
    1.   memory and hunger
       याद्दाच‍त व िख
       ू
       (B)
       सोचने
       (C)
       सिी अनैष्क्छिक क्रियाएं
       (D)
    2.   Thinking
    3.   All involuntary actions
    4.   Rotation and control of muscles
16. By whom zika virus transmitted to humans?
    1.   Rat
    2.   Mosquito
    3.   Beetles
    4.   Rabbit
17. Which of the following can be compared to soldiers?
    1.   red blood cells
    2.   Plasma
    3.   Blood platelets
    4.   White blood cells
18. Carbon atoms are arranged in the shape of a football in the form of _______ of carbon.
    
    1.   C-30
    2.   C-40
    3.   C-50
    4.   C-60
19. Who among the following talked about the indivisibility of an atom?
    1.   Dalton/डाल्‍टन
    2.   Goldstein/गोल्‍डस्‍टीन
    3.   Bohr /बोर
    4.   Rutherford/रदरफोड
20. How many stages of the matter have been decided by scientists so far?
    1.   2
    2.   5
    3.   4
    4.   3
21. The engine of the first petrol-powered car was built by …………
    
    1.   Henry Ford/हेनरी फोडि
    2.   Karl Benz/कालिबेंज
    3.   Hugh Calamras
    4.   Horace Elgin Dotz