Trắc nghiệm tổng hợp Khtn 3

The human body consists of several organ systems.

• 5

• 6

• 7

• 8

What percentage of the human body is water?

• 65%

• 70%

• 75%

• 80%

What are the following substances of photosynthesis?

• Oxygen and sugar

• Sugar and water

• Carbon dioxide, water and light energy

• Carbon dioxide and water

Which of the following statements is correct?

• During photosynthesis, the plant absorbs O2 for the synthesis of organic matter

• Photosynthesis is the process by which organisms use light to break up organic matter.

• One of the products of photosynthesis is O2 gas.

• Photosynthesis is an important physiological process that occurs in the body of all organisms.

In photosynthesis, what of the following processes is oxygen produced from?

• Absorb the light of chlorophyll

• Water lithing

• Reductive reactions

• Electron transmission chain

In evolution, similar organs have a sense of reflection.

• the evolution of separation

• co-evolution

• Parallel evolution

• Common origin between species

How many atmospheres are there?

• 4

• 6

• 5

• 7

The main component of the atmosphere is

• N2

• O2

• CO2

• H2O

How many air belts are there?

• 4

• 5

• 6

• 7

How many levels of organization of the body

• 4

• 5

• 6

• 7