Harmful Microbes

Q. Write a short paragraph on the harms caused microorganism?

Q.

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

1. Both are due to a qualitative defect in globin chain synthesis

2. Both are due to a quantitative defect in globin chain synthesis

3. Thalassemia is due to less synthesis of globin molecules

4. Sickle cell anemia is due to a quantitative problem of globin molecules

Q.

How does the digestive system maintain homeostasis?

Q.

Asthma may be attri-buted to

1. Accumulation of fluid in the lungs

2. Inflammation of the trachea

3. Allergic reaction of the mast cells in the lungs

4. Bacterial infection of the lungs

Q.

The condition for erythroblastosis foetalis to occur is

1. Rh -ve mother and Rh +ve baby

2. Rh -ve mother and Rh -ve baby

3. Rh +ve mother and Rh -ve baby

4. Rh +ve mother and Rh +ve baby

Q.

The proteins encoded by Cry1ac and Cry2ab genes act on which of the following:

1. Nematodes

2. Pinworm

3. Boll worm

4. Book worm

Q.

Cyclosporin A is produced by which organism?

Q.

Explain the principle of immunization.

Q.

Vaccine against poliovirus is an example of

1. Auto immunization

2. Passive immunization

3. Active immunization

4. Simple immunization

Q.

A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when?

1. The trophozoites reach maximum growth and give out certain toxins

2. The microgametocytes and megagametocytes are being destroyed by the WBCs

3. The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

4. The sporozoites released from RBCs are being rapidly killed and broken down inside spleen

Q.

Pick the incorrect statement with regard to haemophilia:

1. A single protein involved in the clotting of blood is affected

2. It is a dominant disease

3. It is a recessive disease

4. It is a sex-linked disease

Q.

Write a short note on:

1. Communicable diseases
2. Non-communicable diseases.

Q.

Which of these can be used for the fastest distribution of some injectible material/medicine and without risk of any kind?

1. Muscles

2. Arteries

3. Lymph vessels

4. Veins

Q.

Which of the following is a mismatch ?

1. AIDS - Bacterial infection

2. Polio - Viral infection

3. Malaria - Protozoan infection

4. Elephantiasis - Helminth infection

Q.

What are toxoids?

Q.

How do microorganisms spoil food

Q. General solution of Tanx.tan4x =1 is

Q.

What does XXY syndrome mean?

Q.

Choose the correct option-

Albinism is a congenital disorder resulting from the lack of which enzyme?

1. Xanthine oxidase

2. Tyrosinase

3. Fructokinase

4. Catalase

Q.

How are transgenic animals used to treat emphysema?

Q. Smut disease of rice is caused by a __________ .

1. fungus
2. protozoa
3. bacteria
4. virus

Q.

Name the causative agent of botulism.

Q.

What is fermentation? State its economic importance.

Q.

Which of the following cannot be used as an antiseptic?

1. Alcohol

2. Carbolic acid

3. Boric acid

4. Hydrochloric acid

Q.

Explain some preventive measures of allergy in detail.

Q.

What is the main cause of angina pectoris?

Q. Tikka disease of groundnut is caused by a _______ .

1. virus
2. fungi
3. bacteria
4. protozoa

Q.

What are memory B cells and memory T cells?

Q.

List some importance of protozoa.

Q.

What are types of viral infections?