Reproduction in plants : review questions

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[REPRODUCTION IN PLANTS : REVIEW QUESTIONS] 2014-1015
1. True or false:
a) Angiosperms are a type of asexual reproduction.
F  sexual reproduction
b) Pollination is when a pollen tube grows from the stigma to the ovary.
F  pollination is when the pollen lands on the stigma
c) Pollination is often helped by insects. T
d) Sepals are the brightly coloured part of the flower that attracts insects.
F  petals are…
e) The pollen tube grows after pollination. T
f) The anther is a male part of the flower. T
g) The gametes of the flower are the stamen and the pistil.
F  gametes are reproductive cells (ovule/ ova and sperm)
h) The filament is a long structure that supports the anther. T
i) Asexual reproduction requires a male and a female part.
F  sexual reproduction requires…
j) Cones are one type of sexual reproduction. T
k) Cross-pollination requires 2 flowers but they can be on the same plant.
F  the 2 flowers cannot be on the same plant; must be different plants
l) Angiosperms are plants that reproduce with seeds and flowers. T
m) Spores are one method of sexual reproduction. T
n) The cotyledon is a food reserve for the seed T
o) The leaves of conifers are in the form of needles. T
2. Short answers:
a) Name the 3 types of sexual reproduction
cones (gymnosperms)
flowers and seeds (angiosperms)
spores
b) Name the 3 types of asexual reproduction
leaves
roots
stems
c) How is pollen dispersed? Wind, birds, insects
d) How are seeds dispersed? Wind, birds, animals, water
e) Name the characteristics of asexual reproduction.
- Requires a male and a female part
- The offspring is similar to its parents but not identical
f) Name the characteristics of sexual reproduction.
- Does not require a male and a female part
- The offspring is identical to its parent
3. Complete the following sentences
a) Asexual reproduction can be done with leaves, stems or ROOTS
b) Sexual reproduction results in an offspring that is DIFFERENT from its parents.
c) ASEXUAL REPRODUCTION does not require a male and a female part.
d) SELF- POLLINATION is when the pollen of one flower lands on the stigma of a flower on the
same plant.
[REPRODUCTION IN PLANTS : REVIEW QUESTIONS] 2014-1015
e)
f)
g)
h)
i)
The stamen is the MALE part of the flower. It includes the filament and the ANTHER .
The PISTIL is the female part of the flower. It includes the stigma, the style and the OVARY.
The POLLEN is a tiny grain that contains sperm cells.
Pollination can happen with birds, insects or simply the WIND.
The seed is made of 3 main parts: the embryo, the COTYLEDON and the SEED COAT.
4. Label the items in the flower diagram (figure 1) and the seed diagram (figure 2)
ABCDEFGHIJK-
FIGURE 1
h
Future leaf
(embryo)
Cotyledon
5. Put the following events in order:
a. Pollination
b. Fructification
c. Fertilization
A, C, B, D, E, F
Pistil
Stigma
Style
Ovary
Petal
Anther
Filament
Ovules
Sepals
Stamen
Stem
Future stem or root
(embryo)
Seed coat
d. Seed dispersal
e. New plant growing
f. Blossom
[REPRODUCTION IN PLANTS : REVIEW QUESTIONS] 2014-1015
6. Complete the following crossword.
[REPRODUCTION IN PLANTS : REVIEW QUESTIONS] 2014-1015
Stigma
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