Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

Which elements make up carbohydrates?

1. ACarbon, hydrogen and oxygen
2. BCarbon, hydrogen and nitrogen
3. CCarbon, nitrogen and sulfur
4. DHydrogen, oxygen and phosphorus

In which form do animals store glucose in the liver and muscles?

1. AChitin
2. BCellulose
3. CStarch
4. DGlycogen

Osmoza to dyfuzja jakiej substancji przez błonę półprzepuszczalną?

1. AJonów sodu
2. BWody
3. CGlukozy
4. DBiałek

The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?

1. AThey have the same function
2. BThey are the result of acquired traits
3. CThey share a common ancestor
4. DThey evolved completely separately

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

1. A20 times
2. B10 times
3. C2 times
4. D100 times

Which statement about Archaea is correct?

1. AThey are a type of virus
2. BThey are eukaryotes that have a nucleus and membrane-bound organelles
3. CThey are multicellular plants
4. DThey are prokaryotes, and many live in extreme environments

The number of bacteria in a sample rises from 200 to 500. What is the percentage increase?

1. A60%
2. B300%
3. C250%
4. D150%

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. AThey were caused by a recent mutation
2. BThey will grow legs in the future
3. CTheir ancestors had legs
4. DThe bones are needed for swimming