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Question-1
Non - directional responses are also known as:
(A)
Tropic movements
(B)
Taxis
(C)
Stimuli
(D)
Negative tropism
Question-2
Maggots of blowflies show directional response to:
(A)
Moisture
(B)
Temperature
(C)
Light
(D)
Gravity
Question-3
Which instrument is used as control tropic experiments?
(A)
Autoclave
(B)
Clinostat
(C)
Thermostat
(D)
Both a and b
Question-4
Which plant organ is negatively geotropic?
(A)
Shoot
(B)
Root
(C)
Leaf
(D)
Flower
Question-5
Which plant organ shows negative phototropism?
(A)
Root
(B)
Stem
(C)
Leaf
(D)
Flower
Question-6
Name the tropic movement shown by pollen grains to reach the ovary.
(A)
Hydrotropism
(B)
Phototropism
(C)
Chemotropism
(D)
Geotropism
Question-7
Echolocation is used by :
(A)
Man
(B)
Bats
(C)
Birds
(D)
Fish
Question-8
Response of an organ towards gravity is called as:
(A)
Geotropism
(B)
Gravitropism
(C)
Both a and b
(D)
Phototropism
Question-9
Find the correct sequence.
(A)
Pinna → eardrum → Ossicles → Cochlea
(B)
Eardrum → Pinna → Ossicles → cochlea
(C)
Ossicles → Pinna → eardrum → cochlea
(D)
Cochlea → eardrum → Ossicles → Pinna
Question-10
What type of movement is shown by lateral roots?
(A)
Geotropism
(B)
Phototropism
(C)
Diageotropism
(D)
Taxis
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Cambridge Secondary Grade 9
IGCSE
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