Home Library Explore SAT

Home Library Explore SAT

Plant Biology iGCSE Flashcards | StudBud

Explore/Plant Biology iGCSE

Plant Biology iGCSE

10 terms·StudBud Administration·469 plays

Brief and basic questions to test knowledge on plant biology.

Flashcards10 cardsFPractice quizPHost liveL

Questions 10

Answers

1
Pollen from wind pollinated plants is..?
small, light and smooth and copius in quantity
large, stciky and copius in quantity.
small, light, and smooth and sparse in quantity.
large, sticky and sparse in quantity
2
Pollination occurs when...?
the pollen lands on the stigma.
the pollen tube grows
the male and female gamete fuse.
the pollen is collected by the insect.
3
Insect pollinated plants have
sticky polen, scent and no petals.
Scent, Nectaries, large colourful petals
Lots of pollen, Scent and petals.
No petals, much pollen and dangling anthers.
4
Seed germination in a dicotyledonous plant requires.
oxygen, Warmth and fertiliser
Oxygen, a period of chilling or burning, and water.
<p>Warmth, water and nitrogen.</p>
water, warmth, and oxygen.
5
An example of an insect pollinated plant is
Grasses
Rose
Buttercup
Hazel
6
Name the photosynthetic organ.
chloroplast
leaf
stem
vascular bundle
7
Vascular bundles contain which tissues?
xylem and cambium
phloem and xylem
roots and stems
zxylem, phloem and cambium
8
If a green plant has sufficient light, warmth & water the limiting factor of photosynthesis is:
carbon dioxide concentration
minerals
nitrogen concentration
oxygen concentration.
9
Chlorophyll is the green pigment in plants. It requires which mineral to function?
Potassium
<p>Iron</p>
Magnesium
Sodium
10
Photosynthesis occurs most efficiently in plants from temperate regions under which conditions?
Between 4C and 30C, in bright light and carbon dioxide.
Between 4C and 30C, In bright light,and plenty of oxygen.
Between 36C and 42C, in bright light, and carbon dioxide.
At least 37C, no light and plenty of carbon dioxide.