General Science · SSC CGL previous year questions

From which Latin word is the s block element calcium derived?

1. A.Calx
2. B.Calum
3. C.Coleus
4. D.Calcio

What are the main energy sources for earth's internal heat engine?

1. A.Radiogenic heat and oceanic tide heat
2. B.Heat from volcanoes and solar heat
3. C.Solar heat and oceanic tide heat
4. D.Radiogenic heat and primordial heat

Which of the following cell organelles is made up of ribosomal RNA and protein?

1. A.Ribosome
2. B.Nucleus
3. C.Golgi body
4. D.Lysosome

Which of the following is a plant tissue? I. Meristematic tissue II. Permanent tissue

1. A.Only II
2. B.Both I and II
3. C.Neither I nor II
4. D.Only I

Match the elements in column A with the element group they belong to, in column B Column A (Element) Column - B (Group of element in the periodic table) i. Na a. Alkali metal ii. Cu b. Alkaline earth metal iii. Mg c. Transition metal iv. He d. Zero group element

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

Cells of meristematci tissue lack ______ .

1. A.Cellulose wall
2. B.Vacuoles
3. C.Cytoplasm
4. D.Nuclei

What is the correct percentage by volume of various gases in Earth's atmosphere?

1. A.20.95% nitrogen, 78.09% oxygen, and 0.04% carbon dioxide and other greenhouse gases.
2. B.10.95% nitrogen, 88.09% oxygen, and 0.09% carbon dioxide and other greenhouse gases.
3. C.10.95% nitrogen, 78.09% oxygen, and 0.03% carbon dioxide and other greenhouse gases.
4. D.78% nitrogen, 21% oxygen, and 0.03% carbon dioxide and other greenhouse gases.

What is the chemical name of saltpetre?

1. A.Potassium nitrate
2. B.Potassium manganite
3. C.Lead nitrate
4. D.Lead sulphate

Name an alkylbenzene widely used as a chemical intermediate in the production of phenol.

1. A.Cumene
2. B.Furan
3. C.Styrene
4. D.Toluene

In which year did AEB de Chancourtois organise the elements by atomic weight, by graphing the elements around a cylinder with a circumference of 16 units, corresponding to the weight of oxygen (O)?

1. A.1862
2. B.1860
3. C.1870
4. D.1868

Identify animals that are NOT triploblastic.

1. A.Molluscs
2. B.Chordates
3. C.Coelenterates
4. D.Platyhelminthes

Which of the following rocks may contain fossils of plants, animals and other microorganisms that once lived on them?

1. A.Metamorphic rocks
2. B.Intrusive igneous rocks
3. C.Sedimentary rocks
4. D.Extrusive igneous rocks

What is the chemical formula of vinegar?

1. A.HCOOH
2. B.CH3COOH
3. C.(COOH)2
4. D.C6H5COOH

Which measuring instrument consists of a metal triangular frame supported on three legs, used to measure the radius of curvature of an object such as lenses and curved mirrors which are spherical in shape?

1. A.Viscometer
2. B.Spherometer
3. C.Verniercaliper
4. D.Screw gauge

In 1893, which Swiss chemist was the first to understand the molecular structures of inorganic substances – chemical compounds that do not contain carbon?

1. A.Alfred Werner
2. B.William Ramsay
3. C.George de Hevesy
4. D.John Dalton

______ gas is used for the manufacturing of bleaching powder.

1. A.Nitrogen
2. B.Sulphur
3. C.Oxygen
4. D.Chlorine

In which of the following groups, are all plants monoecious?

1. A.Maize, Papaya, Poplar and Rose
2. B.Papaya, Poplar, Rose and Fig
3. C.Maize, Cucumber, Fig and Melon
4. D.Cucumber, Papaya, Poplar and Rose

In which year Gay Lussac’s Law of Gaseous Volumes was given by Gay Lussac?

1. A.1812
2. B.1800
3. C.1808
4. D.1802

Which low-calorie sweetener has the chemical formula C14H18N2O5 that is two hundred times sweeter than sugar?

1. A.Saccharin
2. B.Aspartame
3. C.Sucralose
4. D.Neotame

Which of the following cells line the spongocoels and canals in members of the phylum Porifera?

1. A.Somatic cells
2. B.Collar cells
3. C.White cells
4. D.Sex cells

Identify the chemical formula of ammonium hydroxide.

1. A.NH4OH
2. B.NH4O2
3. C.NH3O
4. D.NH2OH

Acid changes the colour of blue litmus to ________.

1. A.yellow
2. B.red
3. C.pink
4. D.orange

Which element of group 13 is a soft metal with a low melting point (303K) and is widely used in doping semiconductors and producing solid-state devices such as transistors?

1. A.Aluminium
2. B.Boron
3. C.Thallium
4. D.Gallium

Match Column-A with Column-B Column-A Column-B i. G1 a. Cell synthesises a complete copy of the DNA ii. S b. First gap phase, the cell grows physically larger iii. G2 c. Cell begins to reorganise its contents in preparation for mitosis iv. M d. Cell divides its copied DNA and cytoplasm to make two new cells

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

The major resources of Gondwana coal, which are metallurgical coal are located in ______.

1. A.Damadar valley
2. B.Chambal valley
3. C.Krishna valley
4. D.Narmada valley