Zoology MCQs for NEET — Practice Questions with Answers

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At Which time interferon is secreted?

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Explanation

Interferons are secreted by body cells when they are infected by viruses. These proteins help to inhibit virus replication and modulate the immune response.

Which is the process of biological control, which is for controlling to spread the disease caused by mosquitoes.?

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Explanation

Biological control methods for controlling the spread of diseases caused by mosquitoes include the use of fish like Gambusia, which feed on mosquito larvae, thereby reducing the mosquito population.

Give the location of Ig-G ?

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Explanation

Immunoglobulin G (IgG) is a type of antibody found predominantly in blood and extracellular fluid, allowing it to control infection of body tissues. It is the most common type of antibody in blood circulation.

Which one is odd ?

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Explanation

HIV (Human Immunodeficiency Virus) is the odd one out because it is a viral infection, whereas Malaria, Pneumonia, and Typhoid are caused by parasites, bacteria, and bacteria respectively.

which of the following diseases is  not related with smoking?

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Explanation

typhoid is a bacterial disease

Mark odd one ?

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Explanation

Haemophilus influenzae is a type of bacteria, whereas Retrovirus, Oncogenic virus, and Rhinovirus are types of viruses. Thus, Haemophilus influenzae is the odd one out.

Give the location for storage of erythrocytes

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Explanation

The spleen is the organ responsible for the storage and removal of old erythrocytes (red blood cells). It acts as a blood filter, removing aged or damaged erythrocytes from the bloodstream.

What is called disease according to Oxford english dictionary ?

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Explanation

According to the Oxford English Dictionary, a disease is defined as 'a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury.' This aligns with the option describing it as the body's parts that obstruct their functioning.

From the following sentences which one is appropriate for pneumonia? p- Burning is felt in alveolar wall q- There is obstruction of wind pipe r- Pain in inhalation, cough & headache are seen s- Incubation period is of 1 to 3 days.

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Which is the hereditary material in retro virus?

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Explanation

Retroviruses use RNA as their genetic material. When they infect a host cell, they use an enzyme called reverse transcriptase to convert their RNA into DNA, which can then integrate into the host cell's genome.

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