The evaporated water is carried away from leaves by the

  • temperature
  • presence of nitrogen
  • movement of air
  • humidity of air

The thalassemia is also known as

  • Ernst's anemia
  • Camillo's anemia
  • Karl's anemia
  • Cooley's anemia

The examples of sinks in plants are

  • root hairs
  • roots
  • stems
  • shoots

After the loss of the nucleus of red blood cells, the cells

  • leaves the blood
  • enters the blood
  • leaves the kidneys
  • enters the kidneys

The blood clots formed by plaques within arteries are called

  • thrombus
  • vena cava
  • rhombus
  • embolus

The table salt is also known as

  • calcium chloride
  • magnesium chloride
  • potassium chloride
  • sodium chloride

The classification of blood which is based on the absence or presence of antigens on RBCs cells is called

  • leukocytes group system
  • blood group systems
  • antigen group system
  • erythrocytes group system

The substances that are found in plasma in trace amounts are

  • zinc, magnesium and calcium
  • phosphorus, Sulphur and copper
  • nickel, chlorine and iron
  • molybdenum, potassium and boron

The artery that supplies blood to the digestive tract is called

  • celiac artery only
  • superior mesenteric artery only
  • inferior mesenteric artery
  • celiac and superior mesenteric artery

The accumulation of cholesterol results in the formation of substance within arteries called

  • basophils
  • monocytes
  • plaques
  • vena cava

The valve which guards the opening between the right ventricle and right atrium is known as

  • bicuspid atria
  • tricuspid valve
  • bicuspid valve
  • tricuspid atria

The higher temperatures cause the

  • absorption of chloroplasts
  • making of chlorophyll
  • opening of stomata
  • closure of stomata

The arteries that supply blood to the ribs are called

  • hepatic arteries
  • dorsal arteries
  • intercostal arteries
  • celiac arteries

After the contraction of the left ventricle, the oxygenated blood is pumped in

  • ventricle
  • aorta
  • atria
  • semi lunar valve

The percentage of dissolved substances in plasma is about

  • 90-95%
  • 1-5%
  • 8-10%
  • 20-25%

The monocytes are responsible for production of

  • macrophages
  • RBCs
  • platelets
  • oxygen

The scientist William Harvey was born in

  • 1478 AD
  • 1578 AD
  • 1378 AD
  • 1178 AD

The capillaries are joined to form venule and venule are joined to form veins in

  • tissue
  • muscle cells
  • red blood cells
  • white blood cells

The strongest and largest chamber of the heart is

  • left ventricle
  • right ventricle
  • upper ventricle
  • lower ventricle

The phloem and xylem tissues are also known as

  • meristematic tissues
  • non-conducting tissues
  • conducting tissues
  • collective tissues

The blood circulatory system in which blood will never leave the veins, arteries and capillaries is called

  • closed blood circulatory system
  • osmotic blood circulatory system
  • binary blood circulatory system
  • integumentary blood circulatory system

The three arteries that emerge from the surface of the aortic arch supplies the blood to

  • kidneys, liver and stomach
  • legs, feet and backbone
  • shoulders, head and arms
  • ribs, arms and hands

The example of sources in plants is

  • tubers
  • developing fruits
  • mature leaf
  • roots

The theory which states that transpiration pull is responsible for carrying water upward through the xylem is called

  • cortex-xylem theory
  • cohesion-pressure theory
  • cohesion-tension theory
  • pressure-tension theory

The energy which is increased in water molecules due to higher temperatures is

  • potential energy
  • kinetic energy
  • kinematic energy
  • thermal energy

The mechanical widening of the obstructed blood vessel or narrowed blood vessel is known as

  • angioplasty
  • endoscopy
  • lithoscopy
  • bypass surgery

The valve which prevents the blood backflow to the left atrium from

  • left ventricle
  • right ventricle
  • right atria
  • left atria

The land plants that are not composed of xylem and phloem tissue are

  • Volvox and ferns
  • liverworts and mosses
  • ferns and mosses
  • mustard and cauliflower plants

During the night, the plants keep their

  • mesophyll opens
  • chlorophyll blocked
  • stomata opens
  • stomata closed

The excess of glucose formed in mesophyll cells is converted into

  • oxygen
  • carbon dioxide
  • amino acids
  • sucrose
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