Animal Physiology (AHL)
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Antibody production and vaccination
SubtopicAntibody production and vaccination under Animal Physiology (AHL) for Grade 12 IB.
Preview questions (no answers)
- 1.
Which statement about active immunity is correct?
A.It is always acquired from the mother
B.It involves the production of antibodies by the individual's own body
C.It provides only short-term protection
D.It does not involve memory cells
- 2.
What is the result of the fusion between a myeloma cell and a B-lymphocyte?
A.A cell that produces many different types of antigens
B.A hybridoma cell
C.A cell that cannot divide
D.A new type of pathogen
- 3.
What occurs when a person is given a vaccine?
A.They are immediately cured of all diseases
B.Their body produces a primary immune response without getting the disease
C.Their body produces antibodies that last for only 24 hours
D.The vaccine contains antibodies that kill the virus
Download the worksheet for Animal Physiology (AHL) - Antibody production and vaccination to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
In the sarcomere, what is the 'M-line'?
A.The boundary of the sarcomere
B.The center of the thick filaments
C.The center of the thin filaments
D.The attachment point for actin
- 2.
Which ions must be removed from the sarcoplasm for a muscle to relax?
A.B.C.D. - 3.
Which of the following is NOT a component of a human synovial joint?
A.Cartilage
B.Exoskeleton
C.Synovial fluid
D.Ligaments
Download the worksheet for Animal Physiology (AHL) - Movement to practice offline. It includes additional chapter-level practice questions.
The kidney and osmoregulation
SubtopicThe kidney and osmoregulation under Animal Physiology (AHL) for Grade 12 IB.
Preview questions (no answers)
- 1.
Which part of the nephron uses the most ATP for active transport?
A.Bowman's capsule
B.Proximal convoluted tubule
C.Descending limb of the Loop of Henle
D.Glomerulus
- 2.
What is the anatomical structure that connects the urinary bladder to the outside of the body?
A.Ureter
B.Urethra
C.Renal pelvis
D.Collecting duct
- 3.
Which of the following describes the fluid in the Bowman's capsule?
A.Glomerular filtrate
B.Urine
C.Blood plasma
D.Hemolymph
Download the worksheet for Animal Physiology (AHL) - The kidney and osmoregulation to practice offline. It includes additional chapter-level practice questions.
Sexual reproduction
SubtopicSexual reproduction under Animal Physiology (AHL) for Grade 12 IB.
Preview questions (no answers)
- 1.
Which embryonic structure directly helps form the placenta?
A.The yolk sac
B.The chorion
C.The amnion
D.The allantois
- 2.
Which hormone stimulates the development of the secondary oocyte within the follicle?
A.Oxytocin
B.Follicle Stimulating Hormone (FSH)
C.hCG
D.Testosterone
- 3.
Which process ensures that only one sperm fertilizes the egg?
A.The acrosome reaction
B.The cortical reaction
C.Meiosis
D.Implantation
Download the worksheet for Animal Physiology (AHL) - Sexual reproduction to practice offline. It includes additional chapter-level practice questions.