Cancer

Q. Increase in the excitability of nerves and muscles of larynx, face, hand and feet is due to 1. hyper activity of thyroid 2. hyper activity of parathyroid 3. hypoactivity of thyroid 4. hypoactivity of parathyroid

Q.

Excessive exposure of humans to U V-rays results in

(i) damage to the immune system

(ii) damage to lungs

(iii) skin cancer

(iv) peptic ulcers

1. (i) and (ii)

2. (ii) and (iv)

3. (i) and (iii)

4. (iii) and (iv)

Q. The major cause of cancer is due to uncontrolled cell division which forms a cell mass called ___(i)___. This may occur due to failure in cell regulation. This cell mass reaches other organs through a multi-step process termed ___(ii)___ .

1. Cancer Epistasis

2. Epistasis Cancer

3. Tumor Metastasis

4. Metastasis Tumor

Q.

Which one of the following therapies will involve only cancerous cells not the normal cells in treatment?

1. Surgery

2. Aromatherapy

3. Chemotherapy

4. Immunotherapy

Q.

What is the application of PCR in cancer?

Q.

A metastatic cancerous tissue is termed ‘sarcoma’ if the disorder is in:

1. Fibroblasts

2. Epithelial cells

3. Circulatory system

4. Immune system

Q. The treatment that uses a person’s immune system to fight cancer is .

1. immunotherapy
2. chemotherapy
3. radiation therapy
4. gene therapy

Q.

What is radiotherapy?

Q.

Assertion (A): Cancer cells are virtually immortal until the body in which they reside dies.

Reason (R): Cancer is caused by damage to genes regulating the cell division cycle.

1. A is correct, but R is incorrect

2. Both A and R are incorrect

3. Both A and R are correct, but R is not the correct explanation of A

4. Both A and R are correct and R is the correct explanation of A

Q.

Incurable diseases are one of the factors affecting social health.

1. True

2. False

Q. Choose the correct statement from the following about organ transplant.

1. Transplantation is required when an organ has failed by a disease.
2. Cornea can be donated when a person is alive.
3. A portion of the lung can be donated when a person is alive.
4. Organ transplant is a surgical procedure.

Q.

Tumours are of two types - Benign and Malignant.

1. True

2. False

Q.

What are lymph nodes in neck called?

Q.

Who discovered radioactivity?

Q.

Cancer is related to

1. uncontrolled growth of tissues

2. non-malignant tumor

3. controlled division of tissues

4. none of these

Q. Gene mutations can cause uncontrolled cell growth leading to cancer.

1. True
2. False

Q.

Why does apoptosis happen?

Q. Carcinoma refers to

1. Malignant tumours of the connective tissue.
2. Malignant tumours of the colon.
3. Malignant tumours of the skin or mucous membrane.
4. Benign tumours of the connective tissue.

Q.

What are the symptoms of lymphoma?

Q. Are the mutations inheritable? What if in case mutation occurs in somatic cells?

Q. Which one of the following is a wrong statement regarding mutations?

1. Deletion and insertion of base pairs cause frameshift mutations.
2. Cancer cells commonly show chromosomal aberrations
3. UV and gamma rays are mutagens
4. Change in a single base pair of DNA does not cause mutation

Q. Mutation may occur due to the defects in the duplication of_______.

1. mRNA
2. DNA
3. rRNA
4. phosphate molecule

Q. Choose the preventive measures that must be taken during conjuctivitis infection.

1. Wear eyeband
2. Touch eyes timely
3. Don't touch eyes
4. Bath daily
5. Keep eyes clean
6. Wash hands
7. Share towel
8. Don't share towel

Q.

World health day is celebrated on____.

1. March 5

2. March 6

3. April 7

4. April 6

Q. What do you mean by stone cancer? How and why does it occur ?

Q. Carcinoma refers to :

1. Malignant tumors of the connective tissue
2. Malignant tumors of the skin or mucous membrane
3. Malignant tumors of the colon
4. Benign tumours of the connective tissue

Q. What is cancer? What are the three main types of cancer?

Q.

What is craniopharyngioma?

Q. What is cancer? Explain any four types of cancer in brief.

Q. Name the following: [5 MARKS]
(i) Disease causing micro-organisms.
(ii) Causative agent of AIDS.
(iii) Substances that stimulate antibody production.
(iv) Substances produced by living organisms that inhibit the growth of other living organisms on or inside the body of an organism.
(v) Organisation that provides relief to victims of natural calamities like floods, etc. by procuring and supplying blood.