In the following task, you are asked to record a video with a duration of 45 minutes performing
the following:
1. Explain one of the topics below.
2. Demonstrate how to answer all the available questions. Please note that one question is
marked for you to be answered on a piece of paper as well.
Choose one of the following topics:
A. Sexual reproduction in flowering plants:
By the end of this session, the student should know:
1. The steps of pollen grain formation
2. The steps of ovules formation
3. The steps of the fertilization process
B. Antibodies:
By the end of this session, the student should know:
1. The structure of antibodies
2. The five mechanisms of antibodies action
Explain each of the following questions:
First Year of Secondary School
Q: Which of the following labels highlights structure(s) that can differ between RNA and DNA?
1
3
2
A 2 and 3
B 3 only
C 1 and 2
D 2 only
Q: Look at the provided information in the table.
Cells
Produced by
Type
Divide by
Cell 1
Mitosis
Diploid
Mitosis
Cell 2
Mitosis
Diploid
Meiosis
Cell 3
Meiosis
Haploid
None
What is the number of sex chromosomes in each cell respectively?
A 2, 2, 2
B 2, 1, 1
C 2, 2, 1
D 2, 1, 2
Second Year of Secondary School
Q: Which of the following structures does the oxygenated blood pass through?
(X)
(Z)
(W)
(Y)
A Structures Z and W
B Structures Y and X
C Structures Z and X
D Structures W and Y
Q: Acne is a very common skin problem in teenagers and is characterized by the formation of
painful oily pimples. The provided diagram shows a section of the skin.
Hair
(1)
(2)
(3)
What would be a main factor of acne formation?
A 2 and 3
B 3
C 1
D 2
Q: In a hypothetical situation, what would happen if all Bowman’s capsules in both kidneys of
a certain person stopped working?
A The urine will contain blood.
B There will be no urine.
C The urine will contain large water
quantities.
D The urine will be full of urea.
Third Year of Secondary School
Q: The diagram shows the presence of fibroids (benign tumors) in a female genital system.
Which sentence could be correct regarding this woman?
A She has no ovulation.
B She has difficulty in fertilization.
C She has difficulty in zygote implantation.
D She has excessive ovulation.
Solve the following question on a paper:
Concentration of Glucose
Q: The graphs below measure the concentrations of glucose, insulin, and glucagon, respectively,
in a man over a 42-day period.
0
3 5 7
14
21
28
35
42
28
35
42
28
35
42
Concentration of Insulin
Days
0
3 5 7
14
21
Concentration of Glucagon
Days
0
3 5 7
14
21
Days
Which of the following statements describes the man?
A This man has damaged alpha cells.
B This man is on a long fast.
C This man has damaged beta cells.
D This man is diabetic.