A Level Biology - Biodiversity, Evolution & Disease - 1 - Exam Style Questions with Answers

Created on February 18, 2023 By

paruppts12

ALVL_OCR_BIO_4_BIODIVERSITY_1

1 / 15

Tuberculosis is an infectious disease that affects humans. It is caused by a pathogen.
Pathogens can also cause diseases in plants.
Which of the following plant diseases is caused by the same type of pathogen that causes tuberculosis in humans?

late blight in potatoes

‘mosaic’ leaf discolouration in tobacco plants

ring rot in tomatoes

black sigatoka in bananas

2 / 15

Which row, A to D, identifies cells X and Y and process Q in the immune response in the diagram below?

B

A

C

D

3 / 15

Autoimmune diseases are often treated with a course of antibody injections.
Which of the following statements, A to D, describes the immunity arising from this treatment?

active natural immunity

active artificial immunity

passive natural immunity

passive artificial immunity

4 / 15

The chart shows the number of reported cases of malaria in South Africa between 1995 and 2000
Which of the following statements, A to D, could explain the data shown for 1999-2000?

the vector had developed resistance to antibiotics

the vector had developed resistance to insecticides

the malarial parasite had developed resistance to antiviral drugs

the malarial parasite had developed resistance to insecticides

5 / 15

An individual bitten by a rabid dog can be treated by an injection of human rabies antibodies.
Which option, A to D, describes the type of immunity provided by this treatment?

natural active

artificial passive

artificial active

natural passive

6 / 15

Which statement, A to D, correctly describes a process that provides artificial active immunity?

an injection of active antibodies for tetanus

antibodies provided in milk from a breast-feeding mother

antigens for polio given in a sugar cube

antigens received on flu viruses via water droplets in the air

7 / 15

Rheumatoid arthritis is a long-term condition that causes pain, swelling and stiffness in the joints.
Which of the following, A to D, explains why stem cells are a potential source of treatment for rheumatoid arthritis?

Stem cells can be obtained from embryos without any ethical concerns

Stem cells can be harvested from the umbilical cords of newborn babies.

Stem cells allow regeneration of a variety of tissue types.

Stem cells are cheaper than other drug-based therapies.

8 / 15

Which of the options, A to D, is a primary defence against pathogens?

T-killer

antibody production

Inflammation

9 / 15

The following statements are about organisms that cause disease.
1. Athletes foot and ringworm are caused by fungi.
2. Malaria and tuberculosis are caused by protoctistans.
3. Ring rot and black sigatoka are caused by bacteria.
Which of the statement(s) is/are correct?

1, 2 and 3

only 1 and 2

only 1

only 2 and 3

10 / 15

D

B

A

C

11 / 15

Only 1 and 2

1, 2 and 3

Only 2 and 3

Only 1

12 / 15

Lupus is an autoimmune disease. One symptom is a facial rash, typically in a butterfly shape across the cheeks.
Following a blood test, which of the following would indicate the patient has Lupus?

the presence of high levels of antihistamines

the presence of herpes antibodies

the absence of B lymphocytes

the presence of antibodies for the cell surface antigens of connective tissue

13 / 15

Which of the following descriptions is correct?

Vaccination involves injection of antigenic material, immunisation is injection of antibodies.

Vaccination involves injection of antigenic material and immunisation is the process of developing immunity.

Vaccination gives long-term protection, immunisation gives short-term protection.

Vaccination and immunisation have the same meaning.

14 / 15

The diagram below shows a pathogen
Which of the options, A to D, is the disease caused by this pathogen?

HIV / AIDS

ringworm

potato blight

tuberculosis

15 / 15

patient has been diagnosed with an autoimmune disease.
Which of the treatments, A to D, is most likely to relieve the symptoms?

drugs to suppress the immune system

a course of antibiotics

surgery to remove the affected parts

a vaccination containing antibodies

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