Match List I with List II

LIST I	LIST II
A. Salmonella typhi	I. Common Cold
B. Rhino virus	II. Typhoid
C. Streptococcus pneumoniae	III. Malaria
D. Plasmodium vivax	IV. Pneumonia

Choose the correct answer from the options given below:

Select the factor that does not disturb the genetic equilibrium :

Read the passage and answer the question given below.
When a host is exposed to antigens, which may be in the form of living or dead microbes or other proteins, antibodies are produced in the host body. This type of immunity is called active immunity. Active immunity is slow and takes time to give its full effective response. Injecting the microbes deliberately during immunisation or infectious organisms gaining access into body during natural infection induce active immunity. When antibodies are directly given to protect the body against foreign agents, it is called passive immunity.
Production of antibodies against antigens in the body is:

In the following, the sex linked recessive disorder is.

Identify the equation representing logistic growth of a population.

Match List I with List II

List - I	List - II
(A) Aspergillus niger	(I) Statins
(B) Trichoderma polysporum	(II) Ethanol
(C) Monascus purpureus	(III) Citric acid
(D) Saccharomyces cerevisiae	(IV) Cyclosporin A

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Which one among the following contraceptive, inhibits ovulation and implantation of female reproductive system?

The transition element having least number of unpaired electrons, is:

The forelimbs of bat, whale, cheetah and human are the examples of:

Monochlorination of toluene in sunlight followed by hydrolysis with aqueous \(NaOH\) yields :

Read the passage carefully and answer the Questions
Carboxylic acids are the earliest organic compounds isolated from nature. These are also known as organic acids but are weaker acids as compared to mineral acids. However, they are more acidic than alcohols and phenols because of greater resonance stabilization of the parent acid and its conjugate base. The acidic strength is determined by the \(K _a\), which is called the acidity constant.
The greater the value of \(K _a\), the greater the tendency of the acid to ionize and hence the stronger the acid. The acidic strength of the saturated aliphatic carboxylic acid depends upon the inductive effect and its position with respect to - COOH groups. Electron -donating substituents tend to decrease whereas electron-withdrawing substituents tend to increase the acidic strength. The acidic strength of the aromatic carboxylic acid, on the other hand depends upon both the inductive effect and the resonance effect of the substituents.
Arrange the following acids in decreasing order of acidity
(A) \(CH _3 CH _2 OH\)
(B) \(CH _3 COOH\)
(C) \(BrCH _2 COOH\)
(D) \(C _6 H _5 CH _2 COOH\)
Choose the correct answer from the options given below:

Area of the region bounded by the curve \(|x|+|y|=1\) and \(x\)-axis is :

Which factor does not affect Hardy-Weinberg equilibrium?