IBA Entry Test Past Papers Solved

GK Science

IBA Entry Test Past Papers Solved GK General Science Questions with Answers online Practice test free. General Knowledge related to general science.

(a) The monomers of proteins are amino acids.

(b) Water transport in plants occurs within xylem vessels.

(c) Underground horizontal stems are called rhizomes.

(d) In the eye, only rods and cones contain receptors for light energy.

(e) Plant hormones control plant responses to environmental stimuli.

(f) Mitochondria are often called the powerhouses of the cell.

(g) The rate at which a current changes direction is called its frequency.

(h) The energy of electrons at the negative terminal of a battery is called potential energy.

(i) Mercury is the smallest planet of the solar system.

(j) Diamond is an allotropic form of the element carbon.

(l) The stage of mitosis during which daughter chromosomes move towards the poles is called anaphase.

(m) Motor neurons carry nerve impulses from the central nervous system to the effectors, which are typically muscles or glands.

(o) Tides are caused by the gravitational pull of the moon.

(p) Heavy water contains isotopes of hydrogen, specifically deuterium, but does not contain salts of calcium and magnesium.

(q) Non-metals exist in different states, including gases, solids, and liquids, depending on the specific element.

(s) The gemstones Ruby and sapphires are primarily composed of corundum, which is aluminum oxide with impurities that give them their respective colors.

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