NUTRITION AND DIGESTION. (TEST REF NUT 1)
- What is a "bomb calorimeter" used for?
- What substance(s) are common to fats,carbohydrates and proteins?
- Why is carbohydrate the preferred UK energy source?
- What dietary substance contains most energy?
- Where does the process of digestive absorption most take place?
- How are vegetable oils turned to margarine?
- How do animal and plant nutrition differ?
- How are they the same?
- Name 2 food sources each for fat,carbohydrates and proteins.
- What subunits make up fats, carbohydrates and proteins?
OSMOSIS, DIFFUSION AND MOVEMENT IN AND OUT OF CELLS
Not applicable to all groups-check your objectives!
1. Identify the right statement.
a)BIG MOLECULES DIFFUSE TO AREAS CONTAINING SMALL MOLECULES....
b)SMALL MOLECULES DIFFUSE TO AREAS CONTAINING BIG MOLECULES....
c)SUBSTANCES DIFFUSE FROM AREAS OF HIGH TO AREAS OF LOW CONCENTRATION....
d)A MEMBRANE MUST BE PRESENT FOR DIFFUSION TO OCCUR....
2. Which has the highest osmotic potential, pure water, a strong solution of sugar, or a strong solution of ammonia?
3. Fill in the blanks:
"Diffusion occurs due to R..D.M MO.E.EN. OF .OL..U..S "
4. Give 2 examples of diffusion in the human body.
5. Summarise the difference between diffusion and osmosis.
6. List 3 factors affecting the speed of diffusion.
7. What are "facilitated diffusion" and "active transport"?
8. Why are animal cells generally less tolerant of osmotic pressure than plant cells?
9. Apart from fluid transfer what is another function of osmotic pressure in plant cells?
10.What is a "semi-permeable" membrane?
CIRCULATION (TEST REF:CIRC2010)
1. Which blood vessels have elastic fibres?
2. Which carry the most carbon dioxide?
3. Which side of the heart is most highly muscled?
4. Which chamber of the heart is most highly muscled?
5. Name 3 SUBSTANCES(not cells) carried in the blood.
6. What sort of nucleus do red blood cells have?
7. What system is involved with conveying blood to and from the lungs?
8. Identify the deliberate mistake in the following:
"THE LEFT ATRIUM OF THE HEART RECEIVES DEOXYGENATED BLOOD CARRIED IN THE PULMONARY VEIN"
9. Identify one drawback of a single circulatory system.
10.What feature "smooths" the surges of high pressure blood delivered by the beating heart, and how?
Finished? Email me your answers on biodesk@yahoo.com. Put your coursename and test reference(see title)in the subject line.
RECAP/SELF ASSESSMENT TESTS............ THE KIDNEYS & OTHER QUESTIONS (TEST REF:K2010)
1. The filtration units of the kidneys are called?
2. Name 3 features that facilitate ultrafiltration.
3. How does the kidney help regulate water content of the body(as full details as possible).
4. Name 4 sites or organs of the body involved in excretion.
5. What blood vessel carries blood from the heart to the lungs?
6. Which part of the cell respiration process results in most production of ATP?
7. Which is most energy rich, NAD,ATP,AMP,NADH2?
8. Which is most energy rich, fat,carbohydrate or protein?
Finished? Email me your answers on biodesk@yahoo.com. Put your coursename and test reference(see title)in the subject line.
