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Chapter 18 - Reproduction - 2
1.
The term pericarp refers to:
a) Seed coat
b) Fruit wall
c) Cell membrane
d) Cell wall
2.
Tobacco plant naturally flower in
a) Autumn
b) Summer
c) Winter
d) Spring
3.
The phytochromes are blue light sensitive pigments made of:
a) Minerals
b) Carbohydrates
c) Lipids
d) Protein
4.
Photoperiod affect flowering, when shoot meristerms start producing:
a) All above
b) Floral buds
c) Leaves
d) Lateral buds
5.
It has been found that red light promotes flowering in _________ ________ plants:
a) Neutral day
b) Short day
c) Long day
d) None
6.
The hormone florigen is produced in:
a) Flower
b) Leaves
c) Roots
d) Stem
7.
The conversion of P730 to P660 takes place in:
a) Dark
b) Day light
c) Both
d) None
8.
In flowering plants one form of parthenogenesis is called:
a) Metamorphosis
b) Apomixis
c) Photoperiodism
d) Vernalisation
9.
The Average loss of blood during the pregnancy process is about:
a) 503 cm
3
b) 530 cm
3
c) 350 cm
3
d) 305 cm
3
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