Objective Type Questions with Answers on Geology
31- A special type of rock with Qrz + Muscovite + Topaz is known as
(A) Greisen
(B) Fenite
(C) Schlieren
(D) Pegmatite
32- Completely glassy texture is called
(A) Fine grained
(B) Hemi-crystalline
(C) Holohyaline
(D) Holocrystalline
33- Which of the following relates to the deflection of ocean currents in the northern and southern hemispheres?
(A) Monsoon effect
(B) Coriolis effect
(C) Thermohaline circulation
(D) El Nino effect
34- New seafloor is created at a ________
(A) Deep sea trench
(B) Mid-ocean ridge
(C) Transform fault
(D) Subduction zone
35- Which one of the following minerals shows very strong internal reflection?
(A) Molybdenite
(B) Pyrite
(C) Magnetite
(D) Orpiment
36- Which of the following minerals has the composition KAlSiO4?
(A) Jadeite
(B) Kalsilite
(C) Nepheline
(D) Leucite
37- If the net slip of a fault is equal to the strike slip component, the fault is a
(A) Thrust fault
(B) Transform fault
(C) Reverse fault
(D) Normal fault
38- The refractive index of the ocean water
(A) increases with temperature
(B) decreases with temperature
(C) decreases with salinity
(D) increases with salinity
39- A long, deep, narrow inlet of water that reaches far inland is known as
(A) Firth
(B) Ishtumas
(C) Fjord
(D) Fjard
40- The Tethys was located between
(A) North America and South America
(B) Eurasia and Africa
(C) Antarctica and Africa
(D) North America and Eurasia
ANSWERS:
31-(A), 32-(C), 33-(B), 34-(B), 35-(D), 36-(B), 37-(B), 38-(D), 39-(C), 40-(B)