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Correct option is (c) A is positively skewed, B is symmetric and C is negatively skewed.

False.

A ratio will be more than or less than 1

This statement is False. 

The sports club is a nontrading concern as they do not work for profit-making. They work for the promotion of sports.

This statement is False. 

Excess of business assets over business liabilities is called capital. Capital = Assets – liabilities.

The speed of 10 Motorist are:

47, 53, 49, 60, 39, 42, 55, 57, 52, 48

Later on it was discovered that the instrument recorded 5 km/h less than in each case

Therefore, correct values are = 52, 58, 54, 65, 44, 47, 60, 62, 57, 53

Therefore, correct mean \(=\frac{52 + 58 + 54 + 65 + 44 + 47 + 60 + 62 + 57 + 53}{10}\)

\(=\frac{552}{10}\)

= 55.2 km/h

Mean marks of 100 students = 40

Sum of marks of 100 students = 100 * 40

= 4000

Correct value = 53

Incorrect value = 83

Correct sum = 4000 – 83 + 53

= 3970

Therefore, correct mean \(=\frac{3970}{100}\)

= 39.7

Arithmetic mean is the most popular measure of the central tendency due to following reasons:

1.  It is easy to calculate and understand arithmetic mean.

2.  Arithmetic mean is based on all the values of the serial.

3.  Arithmetic mean is stable measure or central tendency it is because change in the sample of a series have minimum effect on the arithmetic averages.

The mean of 200 items = 50

Then the sum of 200 items = 200 * 50

= 10,000

Correct values = 192 and 88

Incorrect values = 92 and 8

Therefore, correct sum = 10,000 – 92 – 8 + 192 + 88

= 10,180

Therefore, correct mean \(=\frac{10.180}{200}\)

= 50.9

(a) Artificial intelligence

(a) Artificial intelligence

1. A set of computers connected together for the purpose of sharing resources is called as computer networks.

2. At present, Internet is the most common resource shared everywhere.

(c) NEW FIBRE OPTICS

(d) (i)-4 (ii)-2 (iii)-1 (iv)-3

(b) Client Server

There are 2 copies of zone files 

Master file, Slave file

(a) I-True, II-False

If an object is declared with in a function then it is called local object. It cannot be accessed from outside the function.

# include

# include

using namespace std

class add //Global class

{

int a,b; public:

int sum; void

getdata()

{

a = 5;

b = 10;

sum

= a + b;

= a + b;

}

}

a1;

add a2;

int main()

{

add a3;

a1.getdata(); //global object

a2.getdata(); //global object

a3.getdata();

cout << a1 .sum; //Local object for a global class 

cout << a2.sum;

cout << a3.sum;

return 0; //public data member accessed from outside the class

}

Output:

151515

The definition of a class only creates a new user defined data type. The instances of the class type should be instantiated (created and initialized). Instantiating object is done using constructor. An array or a structure in C++ can be initialized during the time of their declaration.

The initialization of class type object at the time of declaration similar to a structure or an array is not possible because the class members have their associated access specifiers (private or protected or public). Therefore Classes include special member functions called as constructors.

The constructor function initializes the class object.

Correct option is (C) is valid for a photon but not for an electron 

Since,

Q = KA(θ₁ − θ₂)t/x 

\(\frac{Q_A}{t}\) = K_AA_A(θ₁ − θ₂)/x

\(\frac{Q_B}{t}\) = K_BA_B(θ₁ − θ₂)/x

For quale rates of flow

\(\frac{Q_A}{t}\) = \(\frac{Q_B}{t}\) 

or K_AA_A = K_BA_B.

In thermal contact, teat flows from the body at highre temperature to the body at lower temperature till temperatures become equal. The final temperature can be the mean temperature (T₁ + T₂)/ 2 only when thermal capacities of the bodies are equal.

Kinetic Theory of Gases : Assumption 

(1) The molecules of a gas are identical, spherical and perfectly elastic point masses. 

(2) The volume of molecules is negligible in comparison to the volume of gas. 

(3) Molecules of a gas moves randomly in all direction. 

(4) The speed of gas molecules lie between zero and infinity. 

(5) Their collisions are perfectly elastic. 

(6) The number of collisions per unit volume in a gas remains constant. 

(7) No attractive or repulsive force acts between gas molecules.

Alchemists’ considered to be early chemists. They used all general techniques of chemistry in healing humans. Their contribution proved valuable to the society and in the advancement of civilization. They had contributed to an incredible number of future uses of chemicals, metals, ink, paints, cosmetic, medicines, porcelain, etc.

∫cos⁷ x dx for x ∈ [0,π/2]

= (6/7) x (4/5) x (2/3) 

= 16/25

Functional genomics is a branch of genomics that involves the study of functions of all gene sequences and their expressions in organisms.

Correct answer is (d) all of these

1. HGP is associated with rapid development of Bioinformatics. 

2. Knowledge gained about the functions of genes and proteins has a major impact in the fields like Medicine. Biotechnology and the Life sciences. 

3. It has helped in identifying the genes that are associated with genetic characteristics. 

4. The genetic basis of many hereditary diseases can be understood. 

5. It has increased the understanding of gene structure and function in other species. As human beings have many of the genes same as those of flies, roundworms and mice, such studies will enhance understanding of human evolution.

Applications of genomics are as follows:

1. Structural and functional genomics is used in the improvement of crop plant,human health and livestock. 

2. The knowledge and understanding acquired by genomics research can be applied in medicine, biotechnology and social sciences. 

3. It helps in the treatment of genetic disorders through gene therapy. 

4. It helps in the development of transgenic crops having desirable characters. 

5. Genetic markers have applications in forensic analysis. 

6. Genomics can lead to introduction of new gene in microbes to produce enzymes, therapeutic proteins and biofuels.

Initiation of synthesis of polypeptide chain takes place as follows: 

1. Small subunit of ribosome binds to the m-RNA at 5’ end.

2. Start codon is positioned properly at Psite. 

3. Initiator t-RNA, (carrying methionine in eukaryotes or formyl methionine in prokaryotes) binds with initiation codon (AUG) of m-RNA by it’s anticodon (UAC). Codon-anti-codon pairing involves formation of hydrogen bonds. 

4. The large subunit and smaller subunit of ribosome bind in the presence of Mg⁺⁺ . 

5. Thus, initiator charged t-RNA occupies the P-site and A-site is vacant for next charged t-RNA.

1. Proteins play a significant role in the metabolism of living cells. 

2. The actual phenotypic expression of living cells is dependent on the biochemical reactions. 

3. Each biochemical reaction needs a specific enzyme for its initiation and completion. All the enzymes are proteins. 

4. In a cell there are many structural proteins too. Thousands of structural and catalytic proteins are constantly required within the cell at all times. 

5. Many functional proteins like hormones are also important for metabolism. Thus, for the synthesis of all such proteins, protein synthesis has become the most important and essential activity of the living cell.

George Gamow.

Detailed answer:

George Gamow suggested that the genetic code should be made of a combination of three nucleotides.

1. Translation 

2. 30S or 40S 

3. P site, A site and E site 

4. A site 

5. Peptide link 

6. Polypeptide chain

 Francis crick called t-RNA an adapter molecule.

Francis Crick 

1. DNA regulates protein synthesis by coding for the specific sequence of amino acids in a protein. 

2. This control is possible through transcription of m-RNA. 

3. Genetic code is specific for particular amino acid.

∠P+∠R = 180°

∠P +80° 180°

∠P 180° 80° 100°

∠Q+ ∠S 180°

∠Q+85° 180°

∠Q = 180° -  85° = 95°

RNA serves as an intermediate molecule between DNA and protein during proteins synthesis.

Insertion or deletion of three or multiples of three bases results in insertion or deletion of amino acids and reading frame remains unaltered from that point onwards.

Let us consider the lemons price as x

The SP of 3 lemons = 3x

SP of 45 lemons = 45x

∴ The CP of 45 lemons = 45x + 3x = 48x

Since, SP is less than CP so it’s a loss.

Loss = CP – SP = 48x – 45x = 3x

Loss % = (loss × 100) / CP

= (3x × 100) / 48x

=300x/48x

= 6.25%

∴ The Loss percent is 6.25%

False

Here, 4° + 5° + 6° = 1 + 1 + 1= 3 [∴ a°=1]

and (4+ 5+ 6)° =(15)° =1

Hence, 4° + 5° + 6° ≠ (4 + 5 + 6)°

Correct option is (D) a+b

\((a^{-1}+b^{-1})\,ab=(\frac1a+\frac1b)\,ab=(\frac{a+b}{ab})\,ab\) = a+b

Correct option is  D) a + b

Correct option is  B) 1

Correct option is (B) 180°

Conjugate angle of \(25^\circ=360^\circ-25^\circ=335^\circ\)

\((\because\) Sum of two conjugate angles is \(360^\circ)\)

And supplementary angle of \(25^\circ=180^\circ-25^\circ=155^\circ\)

\(\therefore\) Difference between them \(=335^\circ-155^\circ=180^\circ\)

Correct option is  B) 180°

Complementary angle of 36° is 90° – 36° – 54° 

Supplementary angle of 36° is 180° – 36° = 144° 

Conjugate angle of 36° is 360° – 36° = 324°

Correct option is (B) 1

\((a^0)^0=1^0=1\)   \((\because a^0=1)\)

Correct option is  B) 1

Correct option is (A) 180°

Let the angle be x.

Then its supplementary angle \(=180^\circ-x\)

and its conjugate angle \(=360^\circ-x\)

\(\therefore\) Their difference \(=(360^\circ-x)-(180^\circ-x)\)

\(=360^\circ-180^\circ=180^\circ\)

Correct option is  A) 180°

Correct option is (C) 36

Given that \(x^\circ\) and \(4x^\circ\) are supplementary angles.

\(\therefore\) \(x^\circ+4x^\circ=180^\circ\)

\(\Rightarrow\) \(5x^\circ=180^\circ\)

\(\Rightarrow\) \(x^\circ=\frac{180^\circ}5=36^\circ\)

\(\therefore\) x = 36

Correct option is  C) 36

The peacock scoffed at the crane’s colourless and dull feathers.