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1.
For grafting to be successful, the scion and the stock must be of the same
size.
length.
diameter.
texture.
2.
Examples of plants with rhizome are
ginger and fern.
onion and ginger.
yam and Irish potato.
onion and fern.
3.
Mineral salts from the soil pass into the root hair cells by
tugor pressure
active transport
osmosis
capillarity
4.
Turgidity in plants is the result of
water entering the cells.
water leaving the cells.
the withdrawal of cytoplasm from the cell wall.
diffusion of materials into the cells.
5.
One function of water in the germination of seeds is that it
causes the seed to produce auxins.
kills the germs in the seed.
activates the enzymes to breakdown stored food.
terminates the period of dormancy.
6.
The essential parts of a flower are the
stamen and sepal.
pistil and stamen.
stamen and ovule.
pistil and corolla.
7.
Which of the following structures in plants prevents water loss?
Phloem
Mesophyll
Xylem
Cuticle
8.
Good quality seeds should be
free from dirt, weed seeds and pest.
brightly coloured.
hard seed coat with small micropyle.
dressed with recommended chemicals.
9.
Fertilization in flowering plants is known as double because
the female nucleus is double penetrated by one male gamete while the other regenerate
two cotyledons are formed.
two embryo nucleus are formed.
one male gamete fertilizes the egg while the second fuses with the polar nuclei.
10.
A flower with both stamens and carpels is said to be
a hermaphrodite.
irregular.
monoecious.
dioecious.
11.
The material used for propagating cassava is the
root tuber.
stem cutting.
sucker.
seed.
12.
An example of a corm is
yam.
ginger.
cocoyam.
onion.
13.
For grafting to be successful, the scion and the stock must be of the same
size.
length.
diameter.
texture.
14.
Examples of plants with rhizome are
ginger and fern.
onion and ginger.
yam and Irish potato.
onion and fern.
15.
Mineral salts from the soil pass into the root hair cells by
tugor pressure
active transport
osmosis
capillarity
16.
One function of water in the germination of seeds is that it
causes the seed to produce auxins.
kills the germs in the seed.
activates the enzymes to breakdown stored food.
terminates the period of dormancy.
17.
Which of the following structures in plants prevents water loss?
Phloem
Mesophyll
Xylem
Cuticle
18.
The fibrous mesocarp of coconut aids its dispersal by
explosion.
insects.
water.
wildlife.
19.
Fresh tomato seeds only germinate after they dry up. This may be due to
unstable pH.
absence of hormones.
hard testa.
the presence of inhibitors.
20.
An example of a unisexual flower is
Hibiscus.
Pride of Barbados.
flamboyant.
watermelon.
21.
Symbiotic association in the root nodules occurs in
cocoyam.
millet.
rice.
soya bean.