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Q:

Thin filaments are composed of

A) Actin B) Tropomyosin
C) Troponin D) All of the above
 
Answer & Explanation Answer: D) All of the above

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Filed Under: Biology
Exam Prep: Bank Exams

3 556
Q:

A solar eclipse occurs when

A) moon comes in the middle of sun and earth B) sun comes in the middle of moon and earth
C) earth comes in the middle of moon and sun D) All of the above
 
Answer & Explanation Answer: A) moon comes in the middle of sun and earth

Explanation:

A solar eclipse happens when the moon gets in the way of the sun's light and casts its shadow on Earth. Solar eclipses happen when the New Moon comes between the Sun and Earth and blocks out the Sun's rays.

 

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

What is organic matter in soil is also called

A) residue B) humus
C) occlusion D) compact
 
Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,... 

This humus is important for soil structure because it holds individual mineral particles together in clusters.

 

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Filed Under: General Science
Exam Prep: Bank Exams

3 463
Q:

In ΔUVW measure of angle V is 90 deg. If sinU = 24/25, and UV = 0.7cm, then what is the length (in cm) of side VW?

A) 2.5 B) 3
C) 2.4 D) 4
 
Answer & Explanation Answer: C) 2.4

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Filed Under: Simplification
Exam Prep: Bank Exams

3 557
Q:

What is the value of (tan60 - 1/3) ?

A) 3-√2 B) (2√2-√3)/2
C) -1/2√3 D) (3√3-1)/3
 
Answer & Explanation Answer: D) (3√3-1)/3

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Filed Under: Simplification
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0 550
Q:

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

A) 42 B) 21
C) 84 D) 63
 
Answer & Explanation Answer: A) 42

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 616
Q:

If the perimeter of a semicircle is 36 cm, then find its area (in cm2).

A) 154 B) 35
C) 77 D) 70
 
Answer & Explanation Answer: C) 77

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Filed Under: Area
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Q:

The lengths of the two diagonals of a rhombus are 7 cm and 24 cm. Find the length of its perimeter (in cm).

A) 25 B) 100
C) 75 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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