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Q:

Which is an example of Phototropism?

A) roots of a plant following water	B) plant bending toward the light
C) roots growing into the soil	D) a venus flytrap capturing a fly

Answer & Explanation Answer: B) plant bending toward the light

Explanation:

Phototropism is the ability of a photosynthesizing organism, to grow directionally in response to a light source. It is very common in plants, but can also occur in other organisms such as fungi.

Example :: Sunflower

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Filed Under: Physics
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Q:

Which of the following does not occur during Mitosis?

A) spindle formation	B) condensation of the chromosomes
C) breakdown of the nuclear membrane	D) replication of the DNA

Answer & Explanation Answer: D) replication of the DNA

Explanation:

Replication of the DNA does not occur during Mitosis.

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Filed Under: Biology
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Q:

Find the compound interest on Rs. 6,500 for 4 years if the rate of interest is 10% p.a. for the first 2 years and 20% per annum for the next 2 years?

A) Rs. 3845	B) Rs. 4826
C) Rs. 5142	D) Rs. 4415

Answer & Explanation Answer: B) Rs. 4826

Explanation:

We know the formula for calculating

The compound interest $C = P [{(1 + \frac{r}{100})}^{n} - 1]$ where P = amount, r = rate of interest, n = time

Here P = 5000, r1 = 10, r2 = 20

Then $C = 6500 [{(1 + \frac{10}{100})}^{2} x {(1 + \frac{20}{100})}^{2} - 1] = 6500 x \frac{1856}{2500} = \frac{65 x 1856}{25}$

C = Rs. 4826.

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Filed Under: Compound Interest
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Q:

What is the simplest form of matter?

A) Element	B) Molecule
C) Atom	D) Compound

Answer & Explanation Answer: A) Element

Explanation:

The simplest form of matter that has a unique set of properties and is cannot be broken down into simpler substances by chemical means is called an Element.

An Atom is the simplest form of an element.

The simplest form of some elements is a Molecule. When an element consists of two identical atoms it is called a diatomic molecule.

A substance that contains two or more elements chemically combined in a fixed proportion is called a Compound.

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Filed Under: Chemistry
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Q:

Are Alternate Exterior Angles congruent?

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

We know that,

Alternate Exterior Angles Theorem::

The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent .

Converse of the Alternate Exterior Angles Theorem ::

Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.

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Subject: Arithmetical Reasoning
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Q:

Find the missing number?

5 19 49 101 181 295 ?

A) 401	B) 351
C) 449	D) 501

Answer & Explanation Answer: C) 449

Explanation:

Given number series is 5 19 49 101 181 295 ?

Here the series follows pattern that

5 19 49 101 181 295 ?

14 30 52 80 114 (difference)

16 22 28 34 (difference)

6 6 6 (Common difference)

Therefore, the missing number in the series is ? = 295 + 115 + 34 + 6 = 449.

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Filed Under: Odd Man Out
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Q:

Which of the following is not an Output device?

A) Scanner	B) Moniter
C) Printer	D) Speakers

Answer & Explanation Answer: A) Scanner

Explanation:

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Filed Under: Computer
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Q:

Ozone is concentrated in the

A) Stratosphere	B) Troposphere
C) Ionosphere	D) Mesosphere

Answer & Explanation Answer: A) Stratosphere

Explanation:

Most of the ozone in the atmosphere is found in the layer of stratosphere, which begins about 10.16 kilometers (6.10 miles) above Earth's surface and extends up to about 50 kilometers (31 miles) altitude.

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Filed Under: Chemistry
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