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Question-1
Moulting is done at intervals because:
(A)
Body does not grow along with exoskeleton
(B)
Exoskeleton does not grow with body
(C)
Animal changes its structure
(D)
Animal has to undergo 10 moults before becoming adult
Question-2
Which statement is correct?
(A)
In human beings growth is regulated by somatotropin produced by pituitary gland.
(B)
In human beings growth is regulated by somatostatin produced by pituitary gland.
(C)
In human beings growth is regulated by adrenalin produced by adrenal gland.
(D)
In human beings growth is regulated by releasing hormones produced by hypothalamus .
Question-3
Which of the following is used so that it shoots the growth of weeds and speeds up their rate of respiration to the extent that they exhaust their food resources and die?
(A)
Hormone posers
(B)
Weedicides
(C)
2, 4 - D
(D)
Phytohormones
Question-4
At which time or period of our life is growth rate high?
(A)
Infant
(B)
Child hood
(C)
Adolescence
(D)
Adult hood
Question-5
Name the mouth part of the butterfly which helps it in feeding nectar from flowers.
(A)
Mandibles
(B)
Proboscis
(C)
Maxilla
(D)
Radula
Question-6
Butterfly caterpillar is:
(A)
Worm like, feeding on leaf, with wings.
(B)
Worm like, feeding on nectar, with wings.
(C)
Worm like, feeding on nectar, without legs.
(D)
Worm like, feeding on leaf, with legs.
Question-7
The action of growth hormone is:
(A)
Spontaneous but steady
(B)
Fast and drastic
(C)
Slow, gradual and steady
(D)
Slow, but drastic
Question-8
Rooting powder produces:
(A)
Very long roots
(B)
Very thick roots
(C)
More roots
(D)
Special roots other than normal
Question-9
Growth cannot be defined as the increase in the total amount of cytoplasm, because it may be due to the intake of water by the phenomenon of:
(A)
Diffusion
(B)
Osmosis
(C)
Imbibition
(D)
Active transport
Question-10
Pupa is a/an:
(A)
Dormant
(B)
Active
(C)
Larval
(D)
Adult
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
The Interdependence of Living Organisms
Feeding
Keeping Healthy
Transport in Plants
Classification
Cells and Tissues
Movement in and out of Cells
Personal Health
Animal Nutrition
Reproduction
Sensitivity
Cells the Building Blocks
Genetics
The Skeleton, Muscles and Movement
A Sexual Reproduction and Cloning Plants
The Senses
Survival
Co-ordination
Energy for Respiration
The Chemicals of Living Cells
How Substances Get In and Out of Cells
Plants for Food
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Human Impact on the Environment
Digestion, Absorption and Use of Food
The Blood Circulatory System
Breathing
Excretion and the Kidneys
Human Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
Disease: causes, transmission and control
Ecosystems
Population
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