Transportation in Animals and Plants

In plants water is transported through:

• Xylem

• Stomata

• Root hair

• Phloem

Water moves up from the roots to the leaves due to ?

• Watering of plants

• Transpiration

• Respiration

• Assimilation

Pulmonary artery carries deoxygenated blood while all other arteries carry oxygenated blood. It is still called an artery because,?

• Striated

• Cardiac

• Unstraited

• Voluntary

The nearest organ the heart supplies oxygenated blood is

• Lungs

• Stomach

• Heart

• Small Intestine

The blood vessels with the smallest diameter are

• Arteries

• Veins

• Capillaries

The correct order of labelling parts A,B and C is:

• A- Vein

  B- Artery

  C- Capillaries

• A- Artery

  B- Vein

  C- Capillaries

• A- Artery

  B- Capillaries

  C- Vein

Human heart is covered by a double membrane called

• Epicardium

• Pericardium

• Pluera

• Kura

When you have blood clots in your coronary artery ( fig) you are likely to suffer from

• Congenitial heart disease

• Cardiac arrest

• Coronary heart disease

• Cancer

The organ that filters out nitrogenous waste products from your blood is

• Heart

• Lungs

• Small Intestine

• Kidneys

Cardiac output (CO) is the amount of blood pumped by the heart minute and is the mechanism whereby blood flows around the body. The given graph shows CO to various parts at rest and during exercise. Cardiac output to which two parts is more than others?

• Brain and skeletal muscles

• Heart and skin

• Skeletal muscles and heart

• Skeletal muscles and skin