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General-Studies Quiz For FCI Phase I 2022- 12th December

Q1. The colour of light is determined by its
(a) amplitude
(b) wavelength
(c) intensity
(d) velocity
(e) None of the above

Q2. German silver is an alloy of
(a) gold and silver
(b) copper and silver
(c) copper, zinc and silver
(d) copper, zinc and nickel
(e) None of the above

Q3. Which one of the following polymers is used for making bullet proof windows?
(a) Polycarbonates
(b) Polyurethanes
(c) Polystyrene
(d) Polyamides
(e) None of the above

Q4. When one gene controls two or more different characters simultaneously, the phenomenon is called
(a) Apomixis
(b) Pleiotropy
(c) Polyploidy
(d) Polyteny
(e) None of the above

Q5. Which of the following is used as a preservative to protect processed food?
(a) Sodium sulphate
(b) Saccharin
(c) BHT
(d) Sodium metabisulphite
(e) None of the above

Q6. A homogeneous mixture contains two liquids. How are they separated?
(a) By filtration
(b) By evaporation
(c) By distillation
(d) By condensation
(e) None of the above

Q7. In which of the following chlorophyll does not exist?
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
(e) None of the above

Q8. In plants, which one of the following tissues is dead?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Phloem
(e) None of the above

Q9. Pollination by snail is called
(a) Zoophily
(b) Entomophily
(c) Chiropteriphily
(d) Malacophily
(e) None of the above

Q10. If the angular velocity of the Earth decreases, then
(a) the value of acceleration due to gravity also decreases
(b) the value of acceleration due to gravity increases
(c) the value of acceleration due to gravity remains same
(d) None of the above
(e) None of the above


S1.Ans. (b)
Sol. Wavelength is the distances between two points of the wave in the same phase. It is related to frequency and energy of the radiations. It helps in determining colour of light waves. The wavelength of light visible to eye falls between 400nm to 800nm.

S2.Ans. (d)
Sol. German silver is an alloy of copper (25-50%), zinc (25- 35%) and nickel (10-35%). It is used in utensils and resistance wire.

S3.Ans. (a)
Sol. Bullet-proof windows are constructed using several layers of polycarbonate and/or laminated glass

S4.Ans. (b)
Sol. When multiple traits are controlled by one particular gene, that gene is known as pleiotropic gene and its effect is known as pleiotropic effect. Polyteny is a special nuclear differentiation reported in larval and adult Diptera, Collembola, Protista and angiosperm ovular nuclei. Apomixis is an asexual reproduction in plants, in particular agamospermy. Polyploid cells and organisms are those that contain more than two paired (homologous) sets of chromosomes.

S5.Ans. (d)
Sol. Sodium metabisulphite (Na2S2O5) inhibits growth of bacteria and fungi including mold. It is an artificial food additive.

S6.Ans. (c)
Sol. Distillation is used to separate mixtures of liquids by exploiting differences in the boiling points of the different components.

S7.Ans. (b)
Sol. Algae, bryophytes and pteridophytes are true plants and contain chlorophyll. While fungi have characteristics that put this kingdom more close to animals, one of the features is that all fungi are heterotrophs and contain no chlorophyll.

S8.Ans. (c)
Sol. Sclerenchyma tissues are found in hard parts of plant body, in cortex, pith, hypodermis, in the pulp of fruits. Young cells are living and they have protoplasm. But matured cells becomes dead due to deposition of secondary walls. They give mechanical support, strength and rigidity to the plant body.

S9.Ans. (d)
Sol. Pollination by snails or slugs is known as Malacophily, which is rare phenomenon. While entomophily is pollination by insects and chiropterophily is pollination by bats.

S10.Ans. (a)
Sol. If the angular velocity is decreasing, then the angular acceleration points in the opposite direction of the angular velocity. Likewise, if the angular velocity is pointing downward and is increasing, then the angular acceleration also points downward. The faster the change in angular velocity, the greater the angular acceleration. If rate of rotation of earth decreases, then acceleration due to gravity will decrease at points on the surface of earth.

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