Question 1· Growth· WAEC
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WAEC Biology questions: Growth
18 questions with answers and explanations. Tap an option to check yourself.
All topicsCell structure and organisation · 26Cellular activities · 24Co-ordination and control · 27Ecology · 33Evolution · 18Excretion · 22Growth · 18Heredity and variation · 24Nutrition · 30Reproduction · 29Respiration · 25Support and movement · 22Transport · 27Variety of organisms · 28
- Explanation and discussion
Question 2· Growth· WAEC
The conditions needed for germination are
Explanation and discussionQuestion 3· Growth· WAEC
A growth curve of an organism is usually
Explanation and discussionQuestion 4· Growth· WAEC
In plants, growth in length takes place mainly at the
Explanation and discussionQuestion 5· Growth· WAEC
Germination in which the cotyledons are carried above the soil is called
Explanation and discussionQuestion 6· Growth· WAEC
Growth in plants occurs mainly at the
Explanation and discussionQuestion 7· Growth· WAEC
Which conditions are needed for a seed to germinate?
Explanation and discussionQuestion 8· Growth· WAEC
The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the
Explanation and discussionQuestion 9· Growth· WAEC
The plant hormone that promotes cell elongation is
Explanation and discussionQuestion 10· Growth· WAEC
The region of a plant root where cells divide actively is the
Explanation and discussionQuestion 11· Growth· WAEC
The plant hormone responsible for the bending of shoots towards light is
Explanation and discussionQuestion 12· Growth· WAEC
The hormone that controls growth in human beings is produced by the
Explanation and discussionQuestion 13· Growth· WAEC
The part of a germinating bean seed that grows down to form the root is the
Explanation and discussionQuestion 14· Growth· WAEC
In hypogeal germination, the cotyledons
Explanation and discussionQuestion 15· Growth· WAEC
Secondary thickening in dicot stems is due to the activity of the
Explanation and discussionQuestion 16· Growth· WAEC
The plant hormone responsible for shoot bending towards light is
Explanation and discussionQuestion 17· Growth· WAEC
An insect that develops through egg, nymph and adult stages shows
Explanation and discussionQuestion 18· Growth· WAEC
Which of these conditions is NOT necessary for the germination of most seeds?
Explanation and discussion
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