The wood of Cycas consists of
equal number of both
more of tracheids and less of vessels
Correct Answer :
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Fertilization in gymnosperms is
In Cycas, archegonium has following number of neck canal cells:
Algal zone is characteristic of
Cycas is said to be a living fossil because
Sago-grains are chiefly obtained from
Which of the following is a living fossil ?
Which of the following plants bears seeds but not fruits ?
Which of the following is not a characteristic feature of Cycas ?
The ovuliferous scales of pine cone are comparable to
Dimorphic leaves are characteristic of
Monoxylic wood consists of
Coralloid roots are found in :
Each stamen in Cycas is a representation of
The revoluta and circinalis are the species of
In Pinus, pollination takes place with the help of
Which of the following statements is not true of Pinus ?
The number of integuments of Pinus is
Which algae are commonly found in coralloid roots of Cycas ?
Sulphur shower is related to
Coralloid roots of Cycas are
Female cone is absent in
phloem of gymnosperms is devoid of
The wing on the seed of Pinus develops from
Neck canal cells are absent in
Non-porous wood occurs in
Largest antherozoids are found in
Perisperm is remnants of
Which of the following orders resembles much more to angiosperms ?
Transfusion tissue is seen in leaves of
Pittus is a gymnosperm as it has
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