13
, Linen
. wool, Linen, Z: Polyester, Nylon
Study the given relationships carefully and select the
option which correctly identifies P-S.
(i)
Pistia : Hydrilla :: Wolffia :P
(ii) Pigeon : Ostrich :: Sparrow :
(iii) Chickenpox : Tetanus :: Mumps : R
(iv) Wildebeest : Snake :: Deer :S
P
Q
R
S
A. Water hyacinth Emu Malaria Rhinocero
B. Tape grass
Rhea Tuberculosis Lion
C. Lotus
Parrot Typhoid Fox
D. Water lily Vulture Anaemia Bear.
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Answer:
The definition of geotropism is the growth of a plant or immovable animal in response to the force of gravity. An example of geotropism is the roots of a plant growing down into the ground.
Phototropism Examples
Sunflower is a highly phototropic plant. They grow towards the sun and are also seen tracking the movement of the sun throughout the day. That is, the flower keeps changing its direction with the movement of the sun. Sunflower requires more light for its growth and survival.
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