Primary 5 Science Guide: Proven Way to Spot Seed Dispersal Methods in Plants

Understanding how different seed dispersal methods is a key part of the Primary 5 Science syllabus under the topic Reproduction in Flowering Plants. Many students lose marks in this area not because they lack content knowledge, but because they overlook clues in the diagram or misinterpret how seed location relates to the method of dispersal.

Here’s a common exam-style question that has challenged even confident learners:

The diagram below shows the plants, L, M and N, on the same plot of land in March and September.

Which plant dispersed its seeds by splitting and wind respectively?

Getting this right requires more than memorising keywords. Self-motivated learners must understand how different seed dispersal methods work and how to apply that knowledge to unseen questions. That’s where instant, on-demand homework help can make all the difference. Below is a conversation between a student and a mentor that breaks down the thinking process step by step.

Real mentors, Real-time answers

CLEMENT

Hi
I think M is not dispersed by wind.
Hi
Why not
Wait a moment
The red arrow is the parent plant
Of M
For wind dispersed plants, it has to follow the direction of wind
But then M's young plants are found in two directions
Let me show you
And what’s then direction of the wind?
As long as it’s dispersed far away, it’s by wind
But there obviously have to be the direction of wind right?
Even when the question did not say
Like for example North, South, East and West
So the seeds of M can only be dispersed in one direction
The wind direction
Since it is over a period of 6 months, the wind direction can be in any direction
So you mean that the seeds were dispersed on different days?
Yep
It’s over a period of 6 months
Oh, okay then. Thank you so much!
Bye!
You’re welcome!
bye

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