Sistem Pengangkutan dalam Organisma

Apakah kaedah X digunakan untuk menghapuskan bahan buangan dari selnya?

• Difusi

• Osmosis

• Pencernaan

• Defekasi

Why does Amoeba sp. not require a transport system?

• Amoeba sp. is a single cell.

• Amoeba sp. has a solid body.

• Amoeba sp. has a small surface area.

• Amoeba sp. has a large surface area to volume ratio.

Which of the following organisms has a specific transport system?

• Euglena

• Paramecium

• Chlamydomonas

• Swamp plant

Which of the following information is incorrect regarding the comparison between transport systems in organisms?

• Complex organisms have a specific system, simple organisms do not.

• Complex organisms have specific transport organs, simple organisms do not.

• Diffusion of essential materials occurs slowly and incompletely in complex organisms.

• Transport systems function only to carry oxygen and nutrients.

Which of the following is not a benefit of the transport system in organisms?

• Helps organisms move to find mates.

• Transports minerals, water, and photosynthesis products in plants.

• Eliminates toxic waste materials from the organism's cells.

• Transports essential materials like oxygen and nutrients used for energy production through cellular respiration.

Among the following blood circulation systems, which is the most efficient?

• Option A

• Option B

• Option C

• Option D

Which statement is true about the structure of the heart and its function?

• Septum directs deoxygenated blood from the right atrium to the right ventricle.

• Bicuspid valve ensures blood flows in one direction and does not backtrack into the ventricle.

• Semilunar valve only allows blood to flow in one direction from the left atrium to the left ventricle.

• Tricuspid valve only allows blood to flow in one direction from the right atrium to the right ventricle.

Which of the following is not a factor affecting pulse rate?

• Age

• Gender

• Race

• Body health

Which statement is correct about pulse rate?

• Males have a higher pulse rate than females.

• Older people have a higher pulse rate than teenagers.

• Pulse rate varies with physical activity.

Which of the following dietary practices can help prevent heart disease?

• Snack when hungry.

• Eat according to set times.

• Eat healthy food in excess.

• Practice balanced nutrition based on the Malaysian food pyramid.