General Science · SSC CGL previous year questions

2023 67 questions

1. Q382023 · 21 Jul 2023 · Shift 1

   In Which year did John Newlands propound the 'Law of Octaves' an innovative concept proposing the periodicity of chemical elements arranged in the order of atomic weight?

   1. A.1861
   2. B.1863
   3. C.1865
   4. D.1867
   Show answer

   Answer: C

2. Q432023 · 21 Jul 2023 · Shift 1

   What do you call the glycocalyx when it is like a loose sheath in the cell envelope of bacteria?

   1. A.Mesoderm
   2. B.Capsule
   3. C.Slime layer
   4. D.Organelle
   Show answer

   Answer: C

3. Q302023 · 21 Jul 2023 · Shift 2

   Identify the last element from the fifth period.

   1. A.Helium
   2. B.Yttrium
   3. C.Rubidium
   4. D.Xenon
   Show answer

   Answer: D

4. Q392023 · 21 Jul 2023 · Shift 2

   Match the columns. Column-A (Enzyme/Protein) Column-B (Role in DNA replication) i. Helicase a. Joins the 3' end of the new DNA fragment to the 5' end of the previous one ii. RNA primase b. Nucleotide polymerisation iii. DNA polymerase c. RNA primer synthesis iv. DNA ligase d. Opens up the DNA double helix

   
   1. A.i - a, ii - b, iii - c, iv - d
   2. B.i - b, ii - a, iii - d, iv - c
   3. C.i - d, ii - c, iii - b, iv - a
   4. D.i - b, ii - c, iii - a, iv - d
   Show answer

   Answer: C

5. Q382023 · 21 Jul 2023 · Shift 3

   Which of the following group elements are called chalcogens?

   1. A.Group-16
   2. B.Group-2
   3. C.Group-17
   4. D.Group-18
   Show answer

   Answer: A

6. Q402023 · 21 Jul 2023 · Shift 3

   What is an instrument that sends pulses of electromagnetic energy into the atmosphere to detect rainfall, determine its speed and intensity, and identify precipitation types such as rain, snow or hail?

   1. A.Barometer
   2. B.Spectral pyranometer
   3. C.2D sonic anemometer
   4. D.Doppler weather radar
   Show answer

   Answer: D

7. Q272023 · 21 Jul 2023 · Shift 4

   What is the name of a metallic radioactive transuranic element with atomic number 101 in the actinide series, discovered in 1955?

   1. A.Seaborgium
   2. B.Nobelium
   3. C.Mendelevium
   4. D.Rutherfordium
   Show answer

   Answer: C

8. Q362023 · 21 Jul 2023 · Shift 4

   Identify the animal that does NOT have bilateral symmetry.

   1. A.Annelida
   2. B.Molluscs
   3. C.Arthropoda
   4. D.Cnidarian
   Show answer

   Answer: D

9. Q332023 · 20 Jul 2023 · Shift 1

   Which of the following is the correct match of the column-A with column-B? Column-A (Name of Disease) Column-B (Affected Organs) i. Alzheimer's diseases a. Salivary glands ii. Diphtheria b. Reproductive tract iii. Gonorrhoea c. Brain iv. Mumps d. Nose and throat

   
   1. A.i - c, ii - a, iii - b, iv - d
   2. B.i - d, ii - c, iii - b, iv - a
   3. C.i - c, ii - d, iii - a, iv - b
   4. D.i - c, ii - d, iii - b, iv - a
   Show answer

   Answer: D

10. Q432023 · 20 Jul 2023 · Shift 1

    Select the option that is true regarding the following two statements labelled Assertion (A) and Reason (R). (A): An object slips less on a rough surface than a smooth surface. (R): When a surface is rough, frictional force increases.

    1. A.Assertion (A) is true and Reason (R) is false.
    2. B.Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation of Assertion (A).
    3. C.Assertion (A) is false and Reason (R) is true.
    4. D.Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation of Assertion (A).
    Show answer

    Answer: D

11. Q352023 · 20 Jul 2023 · Shift 2

    Which element's atomic number in the periodic table is named seaborgium, according to the notation of IUPAC nomenclature?

    1. A.110
    2. B.106
    3. C.102
    4. D.113
    Show answer

    Answer: B

12. Q472023 · 20 Jul 2023 · Shift 2

    Identify an organism that has a well-defined muscular pharynx.

    1. A.Ascaris
    2. B.Adamsia
    3. C.Ctenoplana
    4. D.Gorgonia
    Show answer

    Answer: A

13. Q372023 · 20 Jul 2023 · Shift 3

    Meandrina is the generic name of which Coelenterata animal having soft tube-shaped bodies that live together in large groups?

    1. A.Brain coral
    2. B.Sea anemone
    3. C.Sea-fan
    4. D.Medusa
    Show answer

    Answer: A

14. Q422023 · 20 Jul 2023 · Shift 3

    Which of the following is a synthetic fluorinated compound with an extremely stable molecular structure known to be the most potent greenhouse gas ever found?

    1. A.Hydrogen fluoride
    2. B.Sodium monofluorophosphate
    3. C.Sulphur hexafluoride
    4. D.Calcium fluoride
    Show answer

    Answer: C

15. Q372023 · 20 Jul 2023 · Shift 4

    In 1995, with whom did Eric Cornell experimentally produce the first Bose-Einstein condensate in a rarefied gas of rubidium atoms at extremely low temperatures?

    1. A.Carl Wieman
    2. B.Geoffrey Wilkinson
    3. C.Kary B Mullis
    4. D.Paul J Flory
    Show answer

    Answer: A

16. Q272023 · 19 Jul 2023 · Shift 1

    In which year did E Gorter and F Grendel make a breakthrough by examining the surface area of lipids and concluded that the lipid surface surrounding cells must be of two layers?

    1. A.1910
    2. B.1925
    3. C.1945
    4. D.1962
    Show answer

    Answer: B

17. Q332023 · 19 Jul 2023 · Shift 1

    Match the animals in column A with the phylum they belong to in column B Column-A Column-B i. Jelly fish a. Mollusca ii. Cray fish b. Mammal iii. Whale fish c. Insect iv. Devil fish d. Coelenterate

    
    1. A.i - a, ii - c, iii - b, iv - d
    2. B.i - d, ii - a, iii - b, iv - c
    3. C.i - a, ii - b, iii - c, iv - d
    4. D.i - d, ii - c, iii - b, iv - a
    Show answer

    Answer: D

18. Q382023 · 19 Jul 2023 · Shift 1

    Which is the first integrated steel plant in the public sector in India?

    1. A.The Visvesvaraya Iron and Steel Limited
    2. B.Rourkela Steel Plant
    3. C.The Salem Steel Plant
    4. D.Indian Iron and Steel Company
    Show answer

    Answer: B

19. Q332023 · 19 Jul 2023 · Shift 2

    Which plant is considered a noxious weed that has a chemical defence mechanism to protect it from predators?

    1. A.Calotropis
    2. B.Chicory
    3. C.Black henbane
    4. D.Field bindweed
    Show answer

    Answer: A

20. Q262023 · 19 Jul 2023 · Shift 3

    What is the percentage composition of the element of H2SO3?

    1. A.2.5% H, 58.5% S, 39% O
    2. B.33% H, 16% S, 51% O
    3. C.58.5% H, 39% S, 2.5% O
    4. D.2.5% H, 39% S, 58.5% O
    Show answer

    Answer: D

21. Q292023 · 19 Jul 2023 · Shift 3

    In a plant, ________ is present in the middle lamella, primary cell and secondary walls and accumulates in the initial stages of development during cell expansion.

    1. A.chitin
    2. B.gelatin
    3. C.alginate
    4. D.pectin
    Show answer

    Answer: D

22. Q432023 · 19 Jul 2023 · Shift 3

    Whose law states that total energy per unit mass of flowing fluid, at any point in the subsurface, is the sum of the kinetic, potential, and fluid-pressure energy and is equal to a constant value?

    1. A.Daniel Bernoulli
    2. B.Evangelista Torricelli
    3. C.Blaise Pascal
    4. D.Marie Poiseuille
    Show answer

    Answer: A

23. Q392023 · 18 Jul 2023 · Shift 1

    What cells help In osmoregulation In platyhelminthes?

    1. A.Nerve cells
    2. B.Flame cells
    3. C.Ganglia
    4. D.Hooks
    Show answer

    Answer: B

24. Q322023 · 18 Jul 2023 · Shift 2

    In cells, proteins are synthesised in _______.

    1. A.Mitochondria
    2. B.Golgi apparatus
    3. C.Nucleus
    4. D.Ribosome
    Show answer

    Answer: D

25. Q502023 · 18 Jul 2023 · Shift 2

    Which of the following are metalloids?

    1. A.Boron, oxygen, aluminium
    2. B.Boron, mercury, iron
    3. C.Boron, silicon, antimony
    4. D.Aluminium, mercury, copper
    Show answer

    Answer: C