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Question-1
Woodlice prevents water loss by the response it shows towards:
(A)
Light
(B)
Gravity
(C)
Humidity
(D)
Temperature
Question-2
The sensitive part of gerbils that receives stimuli caused by the air movement are the:
(A)
Nostrils
(B)
Whiskers
(C)
Fur
(D)
Ears
Question-3
Non - directional responses are also known as:
(A)
Tropic movements
(B)
Taxes
(C)
Stimuli
(D)
Negative tropism
Question-4
Which tropic response lifts the leaves and flowers above the ground?
(A)
Negative phototropism
(B)
Negative geotropism
(C)
Positive geotropism
(D)
Positive hydrotropism
Question-5
Which plant organ is negatively geotropic?
(A)
Shoot
(B)
Root
(C)
Leaf
(D)
Flower
Question-6
Which plant organ shows negative phototropism?
(A)
Root
(B)
Stem
(C)
Leaf
(D)
Flower
Question-7
Maggots of blowflies show directional response to:
(A)
Moisture
(B)
Temperature
(C)
Light
(D)
Gravity
Question-8
Which organ helps the snake to detect smell?
(A)
Jacobson's organ
(B)
Eye - spot
(C)
Nerve net
(D)
Nostrils
Question-9
Which tropic response brings the flowers into an exposed position?
(A)
Negative phototropism
(B)
Positive phototropism
(C)
Negative hydrotropism
(D)
Positive hydrotropism
Question-10
The plant hormone seen in the germinating seeds, stem tips, root tips, leaves and leaf buds is:
(A)
Auxin
(B)
Ethylene
(C)
Abscisic acid
(D)
Cytokinin
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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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