Transportation

for multicellular organisms, substances have to be transported to long distances as far as say around _____ feet for the largest plant on earth.

• 25

• 50

• 75

• 100

what is the pulse rate for children over 10 years and adults including senior citizens

• 120-160 beats per minute
• 60-100 beats per minute
• 70-120 beats per minute
• 80-140 beats per minute

before stethoscope was invented, what was the first instrument did laennec use to hear heartbeat

• He used a paper tube

• He used a bamboo tube

• He used a metal rod
• He used a glass tube

the tissues did not receive the blood continuously, but in the form of

The protoplasm of amoeba shows natural movements which are called

• Osmosis
• Diffusion
• Cytokinetic movement

• Brownian movement

which species were the first Eucoelomate to have developed a pulsatile vessel

• Annelids
• Arthropods
• Molluscs
• Nematodes

the parazoans like sponges, use ________ for transporation

• Blood vessels
• sea water

• Air flow
• Muscle contraction

What enzyme is used to change Prothrombin to Thrombin

• Fibrinogen
• Hemoglobin
• Thrombrokinase

• Prothrombinase

how many liters of water does one acre of maize transpire in a hundred day growing season

• 45,73,000 liters

• 60,00,000 liters

• 13,25,000 liters

• 40,00,000 liters

aphids absorb so much sugar from the phloem that the excrete out the excess sugar in the form of

• Honeydew
• Nectar
• Sap
• Resin