Neck canal cells are absent in
None of these
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Dimorphic leaves are characteristic of
Which of the following is not a characteristic feature of Cycas ?
Which of the following statements is not true of Pinus ?
The ovuliferous scales of pine cone are comparable to
The number of integuments of Pinus is
Winged seeds are found in
The wing on the seed of Pinus develops from
Which of the following orders resembles much more to angiosperms ?
Monoxylic wood consists of
Which of the following is a living fossil ?
Sago-grains are chiefly obtained from
Largest antherozoids are found in
Coralloid roots of Cycas are
Female cone is absent in
Transfusion tissue is seen in leaves of
Cycas and Dryopteris resemble each other in the presence of
Which algae are commonly found in coralloid roots of Cycas ?
Endosperm in gymnosperms is formed
In Cycas, archegonium has following number of neck canal cells:
Pittus is a gymnosperm as it has
Each stamen in Cycas is a representation of
Coralloid roots are found in :
Fertilization in gymnosperms is
phloem of gymnosperms is devoid of
The stem of Pinus plant has
Mucilage canals of Cycas stem are
Sulphur shower is related to
In Pinus, pollination takes place with the help of
Cycas is said to be a living fossil because
The wood of Cycas consists of
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