GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics: Questions 125 - 129 of 158

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Question 125

Classification and Geological Significance of Important Invertebrates

Appeared in Year: 2014

Question

MCQ▾

Which one of the following marine environments is indicated by the assemblage of benthic foraminifera Quinqueloculina, Lenticulina, Ammonia, and Elphidium? (Carry two marks each)

Choices

Choice (4)Response

a.

Hadal

b.

Bathyal

c.

Abyssal

d.

Shelf

Question 126

Basic Concepts

Question

MCQ▾

Vertical exaggeration commonly occurs during stereo-viewing of aerial photographs. Where does it occur?

Choices

Choice (4)Response

a.

In the stereoscope

b.

In the photographs

c.

In the terrain

d.

In the preceptor՚s mind

Question 127

Mineralogy and Classification of Common Igneous

Appeared in Year: 2014

Question

MCQ▾

An igneous body with a flat top and concave-upward base is known as a________.

(Carry one mark each)

Choices

Choice (4)Response

a.

Lopolith

b.

Laccolith

c.

Stock

d.

Sill

Question 128

Appeared in Year: 2013

Question

MCQ▾

Which one of the following is the correct statement regarding hydrocarbon generation?

Choices

Choice (4)Response

a.

H/C content of organic matter increases as it matures.

b.

Oil source rock is most abundant in Mesozoic.

c.

O/C content of organic matter increases as it matures.

d.

Lignite does not form any hydrocarbon during maturation.

Question 129

Forms and Twinning

Appeared in Year: 2014

Question

MCQ▾

In the figure given below a, b and c are the crystallographic axes of a crystal. The Miller Index of the crystal face PQR is________. (Carry two marks each)

The Crystallographic Axes of a Crystal

Choices

Choice (4)Response

a.

(124)

b.

(142)

c.

(421)

d.

(214)

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