GS QUESTION ASKED IN 22 SEP 2018 RAILWAY GROUP D EXAM ||GENERAL SCIENCE PDF for RAILWAY EXAM GROUP D 2018 || GENERAL SCIENCE for RAILWAY EXAM 2018
- The outer part of coconut is made of- very strong fibers(lignin)
- pH 2, 4, 6, 8 – In which of these, the number of hydrogen ions will be maximum?- pH 2
The lower the pH, the higher the concentration of hydrogen ions in the solution
- To which group, halogen belongs in the periodic table?
– Group-17
fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
- What is the Chemical Formula of Ferric Oxide- Fe2O3(Iron(III) oxide)
- Which hormone is responsible for Bone to bone connection- Pituitaryhormone(TSH) thyroid-stimulating hormone (TSH)
- Who gave the gravitational constant?- Henry Cavendish
(The gravitational constant appears in Newton’s law of universal gravitation, but it was not measured until seventy one years after Newton’s death by Henry Cavendish)
- Who invented dynamite?- Alfred Nobel
- How many elements were present in the Mendeleev Periodic Table?- 63 elements
- How many ribs are there in a snake’s body?-
Snakes have between 200-400vertebrae with as many ribs attached
- What is an angiosperm?- that have flowers and produce seeds
- What is the Chemical name of vitamin B12- Cyanocobalamin
- What is the pH value of Aqua Regia- pH value is almost near to zero
- What is the SI unit of magnetic flux- Weber (Wb)
- Which among the following is the Male reproductive organ in flower- Stamens
(The “female” or seed-bearing part is called the pistil)
- Which family does Boron belong to?- Metalloid
- How many elements present in dovenier series- 118 elements
- Si unit is same as work- energy
- Where do gametes form?- zygote
- How many elements in the 6 th group of periodic table- 32 elements
- Volt ke unit- Joule
- The chemical formula of Hydroxide is- OH−
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GS QUESTION ASKED IN 22 SEPTEMBER