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Biology 10 Chapter 14 - Reproduction - 9
1.
How do roses propagate?
a) By corms
b) By suckers
c) By grafting
d) By stem tubers
2.
Which of the following propagate by grafting?
a) Peach
b) Ferns
c) Lilies
d) Conifers
3.
How do peach trees propagate?
a) By suckers
b) By stem tubers
c) By corms
d) By grafting
4.
Which of the following propagate by grafting?
a) Conifers
b) Lilies
c) Plum trees
d) Ferns
5.
How do plum trees propagate?
a) By grafting
b) By suckers
c) By corms
d) By stem tubers
6.
By which method, seedless fruits can be prepared?
a) By suckers
b) By grafting
c) By stem tubers
d) By corms
7.
Which is NOT an advantage of grafting?
a) The graft combines the characteristics of two plants
b) Grafting allows the propagation of seedless fruits
c) Grafting may allow for the faster production of desirable fruits
d) The graft is identical to the parent plant
8.
By which method plants can reproduce asexually?
a) By budding
b) By vegetative propagation
c) By fragmentation
d) By parthenogenesis
9.
Why beneficial characteristics can be kept in plants?
a) They have genetic variations
b) None of these
c) Because offsprings are genetically identical
d) Because offsprings are genetically different
10.
By which process plants bearing seedless fruits can be grown?
a) By vegetative propagation
b) By fragmentation
c) By parthenogenesis
d) By budding
11.
How species specific diseases can attack and kill entire crops?
a) They have genetic variations
b) Because offsprings are genetically identical
c) None of these
d) Because offsprings are genetically same
12.
What is the latest method of vegetative propagation?
a) Cloning
b) Stem cuttings
c) Layering
d) Grafting
13.
What is the technique called that is used in cloning?
a) Stem cuttings
b) Grafting
c) Tissue culture
d) Layering
14.
What is the other name of cloning?
a) Macro-propagation
b) Max-propagation
c) Micro-propagation
d) Non-propagation
15.
What do the tissue cells start after being placed in suitable nutrient medium?
a) Meiosis
b) Mitosis
c) Apoptosis
d) Necrosis
16.
What are the masses of cells called that are produced in tissue culture?
a) Chondrocytes
b) Osteocytes
c) Calluses
d) Collagen fibres
17.
What makes stems, roots and leaves in tissue culture?
a) Chondrocytes
b) Collagen fibres
c) Calluses
d) Osteocytes
18.
Write in sequence the underground stems for vegetative propagation in onion, ginger, potato and garlic?
a) Bulb, rhizome, stem tuber and corm
b) Bulb, rhizome, stem tubers and suckers
c) Bulb, rhizome, corms and suckers
d) Bulb, rhizome, suckers and stem tubers
19.
Which of the following occurs in sexual reproduction?
a) Fusion of gametes
b) Both b and c
c) Division of cell
d) Production of gametes
20.
How many are the major plant groups?
a) Four
b) One
c) Two
d) Three
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