Question 1

What is the function of xylem in plant tissues?

Accepted Answer

Transporting water and minerals from roots to leaves

Answer

Transporting sugars

Answer

Photosynthesis

Answer

Supporting the plant structure

Question 2

What is the main function of the heart in the human body?

Accepted Answer

Pumping blood around the body

Answer

Filtering waste products

Answer

Storing nutrients

Answer

Producing hormones

Question 3

What is the role of alveoli in the respiratory system?

Accepted Answer

Facilitating the exchange of oxygen and carbon dioxide in the lungs

Answer

Storing excess oxygen for later use

Answer

Regulating airflow into the lungs

Answer

Producing mucus to trap pathogens

Question 4

Which plant tissue is responsible for transporting sugars produced during photosynthesis?

Accepted Answer

Phloem

Answer

Parenchyma

Answer

Xylem

Answer

Epidermis

Question 5

What is the function of stomata in plant leaves?

Accepted Answer

Regulating gas exchange and water loss

Answer

Storing nutrients

Answer

Producing glucose

Answer

Providing structural support

Question 6

What is the function of the intercostal muscles in the human respiratory system?

Accepted Answer

Assisting in the expansion and contraction of the ribcage during breathing

Answer

Producing mucus in the airways

Answer

Regulating heart rate

Answer

Filtering air before it reaches the lungs

Question 7

What is the function of the lungs in the human body?

Accepted Answer

Gas exchange

Answer

Muscle movement

Answer

Food digestion

Answer

Blood circulation

Question 8

Which blood vessel carries oxygenated blood away from the heart?

Accepted Answer

Artery

Answer

Venules

Answer

Vein

Answer

Capillary

Question 9

Which blood vessel carries blood back to the heart?

Accepted Answer

Vein

Answer

Artery

Answer

Venule

Answer

Capillary

Question 10

What is the smallest type of blood vessel in the body?

Accepted Answer

Capillary

Answer

Artery

Answer

Vein

Answer

Venule

Question 11

Which of the following is not a factor affecting transpiration rate in plants?

Accepted Answer

Amount of glucose in the soil

Answer

Humidity

Answer

Temperature

Answer

Wind speed

Question 12

Which environmental factor is likely to decrease transpiration rate in plants?

Accepted Answer

High humidity

Answer

Strong winds

Answer

Low temperature

Answer

Bright sunlight

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