Objective Type Questions with Answers on Geology
21- The volcanic equivalent of granodiorite is called…………
(A) Latite
(B) Andesite
(C) Dacite
(D) Rhyolite
22- A fold in which both the limbs and axial planes are nearly horizontal and lower limb is overturned is known as
(A) Recumbent fold
(B) Overturned fold
(C) Asymmetrical fold
(D) Symmetrical fold
23- Which of the following geomorphic feature is depositional in nature?
(A) Deflation hollows
(B) Tombolos
(C) Flute casts
(D) Goyuts
24- Presence of the Sanidine as characteristic feldspar mineral in the sandstone indicates the source as _____
(A) Pegmatite
(B) Granitic
(C) Basaltic
(D) Acid Volcanic
25- Yardang is an erosional landform formed by the action of ………….
(A) Wind
(B) Sea
(C) River
(D) Glacier
26- An intergrowth texture in which plagioclase contains inclusions of potash feldspar is known as
(A) Anti-perthite
(B) Perthite
(C) Seriate textures
(D) Graphic texture
27- A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called
(A) lamprophyre
(B) trachyte
(C) dacite
(D) andesite
28- Octahedral cleavage is shown by
(A) Diamond
(B) Magnetite
(C) Fluorite
(D) Calcite
29- A fold in which the axial plane is horizontal is called……..
(A) Monoclinal fold
(B) Symmetric fold
(C) Asymmetric fold
(D) Recumbent fold
30- Which one of the following can be estimated from SP log against a saline-water saturated sandstone formation encountered in a well?
(A) Resistivity of formation water
(B) Degree of water saturation
(C) Depth of invasion
(D) Permeability
ANSWERS:
21-(C), 22-(A), 23-(B), 24-(D), 25-(A), 26-(A), 27-(A), 28-(C), 29-(D), 30-(A)