Curriculum
Course: Cambridge AS & A Level Biology 9700 ...
Login

Curriculum

Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/34

17-18 · Selection, Evolution, Classification and Conservation

0/69

19 · Genetic Technology

0/44
Quiz

11.1.2 Antigens – Exam questions

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 11
  • Passing grade: B+
Start Quiz
1.
An antigen is:
A hormone
A white blood cell
A type of antibiotic
A molecule on a pathogen that triggers an immune response
2.
B cell meets antigen, differentiates into plasma and memory cells, plasma cells produce antibodies that eliminate the antigen. This sequence describes
B cell meets antigen, differentiates into plasma and memory cells, plasma cells produce antibodies that eliminate the antigen. This sequence describes
cell-mediated immunity.
humoral immunity.
nonspecific immunity.
phagocytosis.
cytotoxic T-cell maturation.
3.
Pathogens escape the immune system by generating new surface antigens. Which is an example of this antigenic variation?
Pathogens escape the immune system by generating new surface antigens. Which is an example of this antigenic variation?
HIV remaining integrated into the host genome for many years
The flu virus changing its envelope proteins
MRSA becoming resistant to many antibiotics
Multiple sclerosis attacking cells of the nervous system
4.

An antigen is

an antibody
a white blood cell
a molecule that triggers an immune response
an antibiotic
5.
This produces antigens in the body.
SAT Biology - Question 212
A
B
C
D
E
6.
Which statement best describes Antigen?
Which statement best describes Antigen?
Matures in bone marrow; becomes plasma cells and memory cells.
Antibodies given (breast milk, injection); short-lived.
Long-lived cell giving a faster secondary response.
Molecule (often protein) that triggers an immune response.
7.
In the sequence covered in this lesson, which step comes immediately after Antigen presented?
In the sequence covered in this lesson, which step comes immediately after Antigen presented?
Memory cells
B cell clonal selection
Clonal expansion (mitosis)
T-helper activated
8.
According to the pie chart, what percentage of people have the B antigen on their red cells?
Dr Dabour Hub Academy - figure 1
10%
14%
4%
44%
9.
Which pairing of blood group and antigens is correct?
O — neither antigen
A — A and B
AB — neither
B — A only
10.
What is an antigen?
A protein made by lymphocytes
A type of white blood cell
A molecule on a pathogen that triggers an immune response
A drug that kills bacteria
11.
Recognising self from non-self is the basis of immunity. True or false?
False
False, only antibodies matter
True
True only in bacteria
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Part of 10-11 · Infectious Disease and Immunity — see every lesson and quiz in this unit.
Accepted payment methods