Question Bank
Bihar SLET Earth Science Exam - English
Duration: 150 · Questions: 75 · Max Marks: 75 · Language: 3
Earth Science
1
A and B move clockwise around a circle. starting from a common point O. A takes 9 minutes to complete a round but re-starts after a delay of 1 minute. B takes 13 minutes to complete the round but restarts after a delay of 2 minutes. How many minutes after they began would they meet again at O ?
2
Fourteen of the students in a class are girls. Eight students in the class wear blue shirts. Two are neither girls nor wear blue shirts. Five students who wear blue shirts are girls. How many students are there in the class ?
3
A stick of length L is broken into two pieces at random. What is the average length of the smaller piece ?
4
A long-distance runner finds a water station after completing 
of the total distance After covering another 
of the total distance he gets medical-aid. Another runner joins him 4 km after the medical-aid station. The second runner stops 4 km before the completion of run, covering
of the total distance. What is the total distance ?
of the total distance After covering another of the total distance he gets medical-aid. Another runner joins him 4 km after the medical-aid station. The second runner stops 4 km before the completion of run, coveringof the total distance. What is the total distance ?5
Movement of a car with respect to time is given below :
​The average speed of the car is :
​The average speed of the car is :
6
A fuel station sold diesel costing Rs.15000 to 150 persons on a day. If the lower limit of sale to a person is Rs.50, what is the maximum amount in rupees for which one person could have purchased diesel on that day ?
7
The area of the triangle formed by joining the points (2017, 2017), (2027, 2027) and (2037, 2017) is
8
If Sangeeta’s daughter is my daughter’s mother, then how am I related to Sangeeta ?
9
Four males M1, M2, M3, M4 and four females F1, F2, F3 and F4 are sitting around a round table facing away from the table as shown in the figure below. If each one moves three positions to his/her right and then one position to the left, then in which direction does F4 face ?
10
Prof. Murthy likes to let her students choose who their partners will be; however, no pair of students may work together for more than seven class periods in a row. Alice and Bob have worked together for seven class periods in a row. Calvin and Denny have worked together for three class periods in a row. Calvin does not want to work with Alice. Who should be assigned o work with Bob ?
11
In a group of 44 players, 26 play hockey, 24 play football and 24 play cricket. Eight of them play both hockey and football, 12 play both football and cricket, and 5 play all the three games. How many play both hockey and cricket ?
12
It is given that 
​ for any real number a Suppose for two real number x and y, (xy)* = (x)* (y)*. Then which of the following is necessarily true ?
​ for any real number a Suppose for two real number x and y, (xy)* = (x)* (y)*. Then which of the following is necessarily true ?13
Number of times a research paper is viewed and cited is shown in the pict. In which month was the percentage increase in citation more than the double of the percentage increase in view ?
14
Which of the following options is the best choice for the missing number ?
0.1, 0.25, 0.3, 0.2, 0.5, 0.6, 0.3, ...., 0.9, 0.4, 1.0, 1.2
0.1, 0.25, 0.3, 0.2, 0.5, 0.6, 0.3, ...., 0.9, 0.4, 1.0, 1.2
15
Consider a number 54 expressed in a base different from ten. What is the base of this number system if its equivalent value in the decimal system is 49 ?
16
Which of the options is appropriate for the blank space ?
17
In the diagram, what is the ratio of the total shaded area (of the circle and semi-circle) to the total area of the square and the retangle ?
18
Students are solving the same problem independently. If the probability that the first one solves the problem is 
and the probability that the second solves the problem is 
, what is the probability that at least one of them solves the problem ?
and the probability that the second solves the problem is , what is the probability that at least one of them solves the problem ?19
A ball is dropped from a height of 100 m. The ball after each bounce rises vertically by half its previous height (This means at the first bounce it rises by 50 m, by 25 m at the second bounce and so on). What is the vertical distance travelled by the ball between the first and the fifth bounce ?
20
Three semi-circles are drawn inside a big circle as shown in the figure. If the radius of the two identical smaller semi-circles is th of that of the big circle and the radius of the bigger semi-circle 
​ is twice that of the small semi-circle, what proportion of the big circle's area is shaded ?
​ is twice that of the small semi-circle, what proportion of the big circle's area is shaded ?21
Which one of the following isotope dating methods is based on the parent isotope abundances and not on the daughter isotope abundances ?
22
Which one of the following SiO2 polymorphs may form because of meteorite impact ?
23
Correctly, match the mineral group and corresponding minerals that are used for dating geological events
1. Phophate P. Galena
2. Silicate Q. Monazite
3. Oxide R. Zircon
4. Sulphide S. Baddeleyite
1. Phophate P. Galena
2. Silicate Q. Monazite
3. Oxide R. Zircon
4. Sulphide S. Baddeleyite
24
Correctly match the processes with the corresponding mineral concentrations :
Processes Mineral concentration
1. Residual enrichment P. Mn-oxide nodule
2. Chemical Q. Talc sedimentation
3. Metamorphic R. Chromite
4. Magmatic S. Bauxite
Processes Mineral concentration
1. Residual enrichment P. Mn-oxide nodule
2. Chemical Q. Talc sedimentation
3. Metamorphic R. Chromite
4. Magmatic S. Bauxite
25
Which one of the mineral sequences, arranged in the order of increasing hardness (in Mohs scale) is correct ?
26
For a given discharge, flow can be transmitted along a stream either as deep and slow moving .............. flow or as a shallow and rapid .... flow .
27
The first consequence of earliest differentiation of the Earth is the formation of the............... .
28
What is the third most abundant element (after H and He) in the solar system ?
29
Which of the following classes of meteorites is one of the most primitive objects of our solar system ?
30
Which of the following processes is not related to plate tectonics ?
31
During spheroidal weathering, a block of rock converts to a spheroid due to :
32
Mass wasting wherein a mass of rock or weathered debris moves downhill along a curved shear surface is defined as :
33
Progradation or seaward migration of the shoreline by deposition is best represented by :
34
Rock-floored terraces, preserving part of the former valley flat are called :
35
Which one of the following is not typicall associated with strike-slip faults ?
36
Which mineral is commonly referred to as "fool's gold" ?
37
What is the hardest naturally occurring mineral on the Mohs scale of mineral hardness ?
38
Which type of rock forms from the cooling and solidification of molten lava ?
39
Which mineral is the primary component of granite ?
40
What is the process by which sediments are compacted and cemented together to form sedimentary rocks ?
41
Which type of rock is formed through the alteration of existing rocks by heat and pressure ?
42
What is the term for the study of the Earth's internal structure and composition ?
43
Which mineral is commonly used as a lubricant and in the manufacture of pencils ?
44
What type of rock is formed from the accumulation and compression of plant and animal remains ?
45
Which process involves the breaking down of rocks into smaller particles due to physical and chemical weathering ?
46
Which mineral is the main constituent of marble ?
47
What is the term for the measurement of the intensity of an earthquake at a specific location ?
48
Which type of rock is often formed from the accumulation of organic material in marine environments ?
49
What is the primary mineral in the rock known as "soapstone" ?
50
Which type of rock is characterized by its layered appearance and often forms from the accumulation of silt and clay particles ?
51
Which mineral is commonly used as a source of aluminum ?
52
What is the term for the process of converting sediment into solid rock through compaction and cementation ?
53
Which type of rock is formed from the cooling and solidification of magma beneath the Earth's surface ?
54
Which mineral is commonly used in the production of ceramics and porcelain ?
55
What is the term for the process by which rocks are broken down into smaller fragments through mechanical weathering ?
56
Which type of rock is formed from the accumulation of organic material in swamps and wetlands ?
57
What is the primary mineral in the rock known as "slate" ?
58
Which mineral is commonly used as a gemstone and can come in various colors, including blue, red, and green ?
59
What is the term for the process by which rocks are chemically altered and broken down into new minerals ?
60
What is the term for the study of the classification and naming of rocks ?
61
Which mineral is commonly used in the manufacturing of glass and as an abrasive in sandpaper ?
62
Which type of rock is formed from the accumulation of rounded pebbles and sand in riverbeds and beaches ?
63
What is the term for a naturally occurring solid substance with a specific chemical composition and a regular internal structure ?
64
Which mineral is commonly associated with the formation of stalactites and stalagmites in caves ?
65
What is the term for the study of the Earth's history as revealed in the sequence and distribution of rock layers ?
66
Which type of rock is characterized by its foliated texture and often forms from the metamorphism of shale ?
67
Which mineral is commonly used as a source of iron and can be magnetic ?
68
What is the term for the point on the Earth's surface directly above the focus of an earthquake ?
69
Which type of rock is formed from the compaction and cementation of rounded gravel and pebbles ?
70
Which mineral is commonly used in the production of drywall and plaster ?
71
What is the term for the process by which rocks are moved and transported by agents such as wind, water, or ice ?
72
Which type of rock is formed from the cooling and solidification of lava on the Earth's surface ?
73
Which mineral is commonly used in the production of ceramics and as a filler in paint and plastics ?
74
What is the term for the process by which rocks are physically broken apart into smaller pieces ?
75
Which type of rock is formed from the accumulation of organic material in marine environments and is often associated with fossils ?