Science EASE 1 – Grade 5 (2022–2023) – Choose one correct answer

The example of flowering plants is ____

• pine trees

• mosses

• ferns

• rose

The function of sepals is ____

• protect flower bud

• attract insects

• produce egg

• catch pollen

Fertilisation occurs in the ____

• stamen

• ovary

• sepal

• petal

The movement of pollen from the stamen of a flower to the stigma is called ____

• fruit and seed formation

• germination

• fertilization

• pollination

Study these statements: i. the fruit protects the seed and helps to spread them; ii. the petals and stamens of the flower die; iii. seeds form inside the fruit; iv. the ovary grows. Correct order after fertilization happen is ______

• i – ii – iii – iv

• ii – iv – iii – i

• iii – i – iv – ii

• iv – ii – i – iii

The seed characteristic that match with the seed dispersal is ______

• the seed that has a spongy covering and floats dispersed through water

• the seed that is very light with thin papery wings spread by animals

• seed pods that dry out and burst open dispersed by wind

• the seed that has spines and hooks spread by the explosion

Study the picture. This plant’s seed is dispersed easily by wind because it has _____

• sweet flesh

• heavy seed

• hairy parachute

• spongy covering

The seed that spread by floating on the water is ____ (Study the pictures labeled A–D showing: A. a peach, B. a spiky burr seed, C. coconuts, D. green pea/bean seeds.)

• A. peach

• B. burr with hooks

• C. coconut

• D. peas/beans

The sound is produced by the ______ of an object.

• pitch

• volume

• vibration

• amplifier

Study the picture. The correct order in which we can hear the sound travels to our ear is ______

• plastic wrap – air – our ears – jar

• jar – plastic wrap – air – our ears

• air - our ears - jar – plastic wrap

• our ears - jar – plastic wrap – air