121.

Refer to the given figure depicting a diseased condition in humans and name the worm causing this disease.

• Epidermophyton jloccosum

• Ascaris lumbricoides

• Wuchereria bancrofti

• Entamocba histolytica

Which of the following antibiotics is not correctly matched with the source from which it is obtained

• Penicillin                   Penicillium chrysogenum

• Bacitracin                Bacillus licheniformis

• Griseofulvin             Penicillium griseofulvurm

• Streptomycin          Bacillus griseus

AIDS disease was first reported in

• Russia

• Germany

• USA

• France

Refer to the given figure and choose the organism not related to the condition shown here.

• Microsporum

• Trichophyton

• W. malayi

• Epidermophyton

Select the incorrect match.

• Citric acid - Aspergillus niger

• Streptokinase - Streptococcus

• Butyric acid - Clostridium acetobutylicum

• Cyclosporin A - Monascus purpureus

Match the following and select the correct option.

        Column-I          Column- II
A. Emphysema        (i) Increase in the concentration of non-biodegradable                                                                    substances in food chains

B. ADA deficiency    (ii) $\alpha$-1 antitrypsin

C. Eutrophication    (iii) Bone marrow transplantation

D. Biomagnification (iv) Nutrient enrichment of a water body

• A- (iii), B - (ii), C- (iv), D - (i)

• A-(ii), B- (iii),C- (iv), D-(i)

• A-(ii), B - (iv),C - (i), D - (iii)

• A- (iv), B- (ii), C- (iii), D-(i)

Which of the following pathogens is not transmitted by a vector

• Salmonella typhi

• Alpha virus

• Plasmodium

• Wuchereria bancrofti

Assertion: Mast cells in the human body release excessive amounts of inflammatory chemicals which cause allergic reactions.

Reason: Allergens in the environment on reaching human body stimulate mast cells in certain individuals.

• If both assertion and reason are true and reason is the correct explanation of assertion. 

• If both assertion and reason are true but reason is not the correct explanation of assertion. 

• If assertion is true but reason is false. 

• If both assertion and reason are false.

Assertion: Filarial worm is transmitted to humans by Culex mosquito.

Reason: Culex prefers to breed in fresh water.

• If both assertion and reason are true and reason is the correct explanation of assertion. 

• If both assertion and reason are true but reason is not the correct explanation of assertion. 

• If assertion is true but reason is false. 

• If both assertion and reason are false.

Assertion : IgM is a type of immunoglobulin which cannot cross the placenta.

Reason : IgM is pentamer immunoglobulin, joined by J-chain

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false.

• If both assertion and reason are false