Sec 4 NA Sci Bio 2015 TYS MCQ
Quiz by HAO YI
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
What is the shape of a human red blood cell?
The d
Which structure is an organ and which structure is a tissue?

The diagram represents three animal cells, P, Q and R.
Each cell has oxygen molecules both inside and outside of the cell.
Oxygen molecules move into and out of the cells by diffusion.
Which row gives the direction of movement of the oxygen molecules for each cell?

The four symbols represent different small molecules which can link up to form larger molecules.
Which large molecule is a protein?

Which organ breaks down alcohol?
The diagram shows a test-tube at the start and at the end of an enzyme experiment.
At the end of the experiment, the mixture in the test-tube is more acidic than at the start of the experiment.
Which row correctly identifies the enzyme and its substrate?

The diagram shows the human alimentary canal.
Which row shows the route of food through the alimentary canal?

The diagram shows an experiment that has been in light of several hours.
Compared with atmospheric air, the gas collected at X has

Plants make carbohydrates by carrying out photosynthesis in leaves.
Which part of a leaf is concerned in moving carbohydrates out of the leaf?
Which row states the function of the xylem and of the phloem in a flowering plant?

Four root hair cells are placed in water for one hour.
At the start of the experiment, the internal concentration is the same in all four cells.
Which root hair cell will absorb the most water?
The diagram shows a section through the human heart.
Which route is followed by blood entering at X?

Why do arteries have thick muscular walls?
The diagram shows the blood system of a mammal.
Which organ does the part labeled X represent?

Which word equation represents anaerobic respiration in muscles?
Which component of cigarette smoke is most likely to cause lung cancer?
Which route does carbon dioxide follow as it is removed from the body?
The diagram shows the human female reproductive system.
Where are sperms released during sexual intercourse?

A flower has been separated into its parts.
Which part contains the ovules?

The events leading to an embryo developing in the uterus are shown.
1 ball of cells sinks into uterine lining
2 fusion of male and female gametes
3 lining of uterus starts to develop
4 zygote divides to form many cells
In which order do these events occur?