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Question-1
Incomplete metamorphosis is observed in:
(A)
Butterflies and silk worm moths
(B)
Dragon flies and cockroaches
(C)
Honey bees and wasps
(D)
Spiders and scorpions
Question-2
Growth involves increase in size and complexity but is not always:
(A)
complete
(B)
incomplete
(C)
drastic
(D)
uniform
Question-3
Chemical produced by endocrine glands which bring about changes in the body is called as:
(A)
Enzymes
(B)
Growth substances
(C)
Hormones
(D)
Somatotropins
Question-4
Special type of cell division for producing gametes is called:
(A)
Mitosis
(B)
Meiosis
(C)
Fertilization
(D)
Blastulation
Question-5
The action of growth hormone is:
(A)
Spontaneous but steady
(B)
Fast and drastic
(C)
Slow, gradual and steady
(D)
Slow but drastic
Question-6
Actively dividing meristematic cells are converted to permanent cells by a process called :
(A)
development
(B)
de- differentiation
(C)
transformation
(D)
differentiation
Question-7
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-8
The disadvantage of using dry mass for measuring growth is that :
(A)
Organism has to be killed
(B)
Height, weight and volume will change
(C)
Organism will move away, when weight is taken
(D)
Organisms grow during the measurement
Question-9
Which of the following is the dry mass of an organism?
(A)
Body weight
(B)
Total amount of cytoplasm
(C)
Weight of the dry contents
(D)
Bone weight
Question-10
In a shoot, why does the region of most rapid growth occur at some distance from the shoot tip?
(A)
Auxin is present at the tip only
(B)
Shoot tip contains meristamatic cells
(C)
Only that part receives sunlight
(D)
The whole body grows but is inconspicuous.
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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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