Algal zone is characteristic of
roots of Pinus
normal roots of Cycas
coralloid roots of Cycas
stems of Pinus
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Endosperm in gymnosperms is formed
In Pinus, pollination takes place with the help of
Which of the following statements is not true of Pinus ?
The stem of Pinus plant has
The ovuliferous scales of pine cone are comparable to
Female cone is absent in
The number of integuments of Pinus is
phloem of gymnosperms is devoid of
Cycas is said to be a living fossil because
Sulphur shower is related to
Which of the following orders resembles much more to angiosperms ?
Mucilage canals of Cycas stem are
Dimorphic leaves are characteristic of
Each stamen in Cycas is a representation of
Which of the following is a living fossil ?
Sago-grains are chiefly obtained from
The wing on the seed of Pinus develops from
Non-porous wood occurs in
Winged seeds are found in
Monoxylic wood consists of
Largest antherozoids are found in
Which algae are commonly found in coralloid roots of Cycas ?
Cycas and Dryopteris resemble each other in the presence of
Coralloid roots of Cycas are
In Cycas, archegonium has following number of neck canal cells:
The revoluta and circinalis are the species of
Coralloid roots are found in :
Which of the following is not a characteristic feature of Cycas ?
Fertilization in gymnosperms is
Dwarf shoots of Pinus species have
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