Class 7 Transportation In Animals And Plants CBSE Questions & Answers

Class 7 · Transportation In Animals And Plants

This is Science Class 7 Transportation in Animals and Plants CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The vessels that transport water and minerals are called
  • A
    Phloem
  • B
    Xylem
    Correct
  • C
    Stomata
  • D
    Vacuoles
2
Platelets present in blood is responsible for
  • A
    Transport of urea
  • B
    Production of energy
  • C
    Clotting of blood
    Correct
  • D
    Protecting against infection
3
Pulmonary vein carries
  • A
    Oxygenated blood from lung to heart
    Correct
  • B
    Oxygenated blood from heart to lung
  • C
    Deoxygenated blood from heart to lung
  • D
    Deoxygenated blood from lung to heart
4
Arteries are thick walled because
  • A
    It carries blood with low pressure
  • B
    It carries blood with high pressure
    Correct
  • C
    It carries deoxygenated blood
  • D
    It carries oxygenated blood
5
Valves are present in
  • A
    Capillaries
  • B
    Arteries
  • C
    Veins
    Correct
  • D
    Aorta
6
Passing of same blood twice through heart is called
  • A
    Blood circulation
  • B
    Single circulation
  • C
    Double circulation
    Correct
  • D
    Transportation
7
Rhythmic contraction and relaxation of heart constitute
  • A
    Heart beat
    Correct
  • B
    Blood exchange
  • C
    Pulse
  • D
    Blood mixing
8
Doctors feels the heart beat with the instrument called
  • A
    Periscope
  • B
    Telescope
  • C
    Microscope
  • D
    Stethoscope
    Correct
9
In Sponge and Hydra circulation and excretion was carried by
  • A
    Lymph
  • B
    Water steam
    Correct
  • C
    Blood
  • D
    Hemocoel
10
In human being, Carbon dioxide is removed as waste from the body through
  • A
    Lungs
    Correct
  • B
    Gills
  • C
    Rectum
  • D
    Heart
11
The process of removal of wastes produced in the cell of living organism is called
  • A
    Circulation
  • B
    Transportation
  • C
    Excretion
    Correct
  • D
    Relaxation
12
The urine produced in urinary system of human being is stored in
  • A
    Nephron
  • B
    Kidney
  • C
    Urinary bladder
    Correct
  • D
    Urethra
13
The functional unit of excretory system is called
  • A
    Nephron
    Correct
  • B
    Neuron
  • C
    Collecting duct
  • D
    Nephridium
14
Animals like fishes, excrete cell wastes in form of
  • A
    Ammonia
    Correct
  • B
    Uric acid
  • C
    Urea
  • D
    Nitric acid
15
Birds ,lizards and snakes excrete wastes in form of white semi-solid compound called
  • A
    Citric acid
  • B
    Lactic acid
  • C
    Uric acid
    Correct
  • D
    Urea