Life process

Name the type of blood vessels,which carry blood from organs to the heart.

• artery

• veins

• capillaries

Which enzyme is present in human saliva?

• Salivary tripsin

• Salivary amylase

• Salivary lipase

Which is the stored form of carbohydrates in plants and animals respectively?

• starch and glycogen

• starch and glucose

• starch and maltose

what are the end products of photosynthesis?

• oxygen,carbondioxide and water

• oxygen ,glucose and water

• oxygen and water

vocal cords occur in:

• pharynx

• larynx

• glottis

• bronchial tube

what is the mode of nutrition in fungi?

• autotropic

• heterotropic

• saprophytic

• parasitic

How many pairs of salivary glands are found in humans?

• 4

• 2

• 6

• 3

Blood vessel carry blood from lungs to heart through:

• pulmonary artery

• pulmonary vein

Which of the following structures is involved in gaseous exchange in woody stem of a plant?

• stomata

• guard cell

• lenticel

• epidermis

villi present on the internal wall of intestine help in the

• emulsification of fats

• breakdown of protein

• absorption of digested food

• digestion of carbohydrates