CSEC HSB CRAM #2 Flashcards
Nutrition
Name the disease/s caused by lack of Carbohydrates and its effect.
Diabetes
Marasmus
EFFECT
causes energy deficiency.
Name the disease/s caused by lack of Calcium and its effect.
Rickets
EFFECT
quickly decays teeth and white flecks on fingernails.
Name the disease/s caused by lack of Iron and its effect.
Anemia
EFFECT
insufficient amount of red blood cell production.
Name the disease/s caused by lack of Iodine and its effect.
Goiter
EFFECT
swelling of the thyroid gland.
Name the disease/s caused by lack of Phosphorus and its effect.
Rickets
EFFECTS
quickly decays teeth and white flecks on fingernails.
Name the disease/s caused by lack of Vitamin A.
Night blindness/xerophthalmia.
Name the disease/s caused by lack of Vitamin B.
BERI-BERI
damages the nervous system.
Name the disease/s caused by lack of Vitamin C.
Scurvy
blood capillaries are weakened.
Name the disease/s caused by lack of Vitamin D.
Rickets
What are the water-soluble and fat-soluble vitamins?
Water-soluble: B&C
Fat-soluble: A, D and E.
State two plant foods that are rich in protein.
Beans and potatoes.
State two plant foods that are rich in protein.
Tofu and sesame seeds.
Suggest ONE way the human body uses carbohydrates.
They are easily used by the body for energy
Suggest ONE way the human body uses proteins.
the body uses protein to regulate the pH levels.
TWO ways by which human beings return carbon dioxide to the atmosphere.
- Respiration
* Combustion
State ONE function of the ribs.
The ribs protect the interior organs for example the heart and lungs.
Explain what is meant by the term ‘reflex action’.
A reflex action is the body’s rapid, involuntary response to external stimuli, often used in order to protect it from immediate harm.
Explain why humans need a circulatory system to transport oxygen, while single-celled
organisms like the amoeba do not.
We are eukaryote which means our cells are more advanced than there’s. And since we have more cells than an amoeba. Our cells carry oxygen to the brain and other organs in the body. An amoeba does not have a brain. So it doesn’t need a circulatory system.
- (mitosis, meiosis, identical, different, bulbs, pollen)*
(i) Asexual reproduction involves a form of cell division known as____________________________________ .
(ii) The genotype of the offspring and parents is ____________________________in asexual reproduction.
(iii) One method of asexual reproduction in plants involves the use of___________________________________
(i) Mitosis
(ii) identical
(iii) pollen
Name TWO instances when a medical abortion could be legally carried out.
- Rape
* Too many health problems.
What is Genetic variation?
Genetic variation refers to differences in the genetic makeup of individuals in a population.
What is Environmental variation?
The portion of phenotypic variance that is due to differences in the environments to which the individuals in a population have been exposed
What is the name of the chemical which forms a gene?
The chemical substance constituting the genes is DNA. It stands for de-oxy ribonucleic acid.
Suggest ONE benefit of genetic variation.
Genetic variation helps organisms survive in different climates and environments.
Name the microorganism responsible for dengue fever.
✓ The name of the microorganism is the dengue virus
