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Question-1
Which instrument is used as control tropic experiments?
(A)
Autoclave
(B)
Clinostat
(C)
Thermostat
(D)
Both a and b
Question-2
Find the growth inhibitors from the following.
(A)
Auxin
(B)
Ethylene
(C)
Abscisic acid
(D)
Both b and c
Question-3
Maggots of blowflies show directional response to:
(A)
Moisture
(B)
Temperature
(C)
Light
(D)
Gravity
Question-4
Echolocation is used by:
(A)
Man
(B)
Bats
(C)
Birds
(D)
Fish
Question-5
Long ears of which organism helps it to pick up sound vibrations?
(A)
Hare
(B)
Long - eared bat
(C)
Tiny owl
(D)
Gerbil
Question-6
Response of an organ towards gravity is called as:
(A)
Geotropism
(B)
Gravitropism
(C)
Both a and b
(D)
Phototropism
Question-7
Which plant organ shows negative phototropism?
(A)
Root
(B)
Stem
(C)
Leaf
(D)
Flower
Question-8
Find the growth promoters of plants from the following.
(A)
Auxins
(B)
Cytokinins
(C)
Gibberellins
(D)
All the above
Question-9
What type of movement is shown by lateral roots?
(A)
Geotropism
(B)
Phototropism
(C)
Diageotropism
(D)
Taxes
Question-10
Which tropic response brings the flowers into an exposed position?
(A)
Negative phototropism
(B)
Positive phototropism
(C)
Negative hydrotropism
(D)
Positive hydrotropism
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Cambridge Secondary Grade 10
IGCSE
Practice in Related Chapters
Feeding
Cells and Tissues
Ecosystems
Population
Transport in Plants
The Chemicals of Living Cells
Sensitivity
Energy For Respiration
How Substances Get In and Out of Cells
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Interdependence of Living Organisms
The Human Impact on the Environment
The Blood Circulatory System
Digestion, Absorption and Use of Food
Breathing
Excretion and the Kidneys
Human Reproduction
Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
A Sexual Reproduction and Cloning Plants
The Skeleton, Muscles and Movement
The Senses
Co-ordination
Personal Health
Disease: cause, transmission and control
Genetics
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