Classification of Gymnosperms

Q. Which of the following genera is associated with coralloid roots?

1. Cycas
2. Taxus
3. Pinus
4. Sequoia

Q. Winged seeds are found in:

1. Cycas
2. Pinus
3. Cedrus
4. All of these

Q. In plants, largest egg is found in:

1. Cycas
2. Pinus
3. Sequoia
4. Selaginella
   

Q. Match the following and select the correct option.
$\begin{array}{cc}Column-I& Column-II\\ A.Pteris& \left(i\right)Gymnosperm\\ B.Cycas& \left(ii\right)Bryophyte\\ C.Sphagnum& \left(iii\right)Algae\\ D.Sargassum& \left(iv\right)Pteridophyte\end{array}$

1. A-(iv), B -(ii), C -(i), D -(iii)
   
2. A-(iv), B -(i), C -(ii), D -(iii)
3. A-(ii), B -(iii), C -(iv), D -(i)
4. A-(i), B -(iv), C -(iii), D -(ii)

Q. Coralloid roots are different from angiosperm roots due to

1. absence of pith
2. presence of xylem
3. presence of phloem
4. presence of algal zone

Q. Pinus wood is:

1. Porous
2. Non-porous
3. Slightly porous
4. None of these

Q. Match the Gymnosperms to their distinguishing characteristics.

1. Tallest Gymnosperm
2. Living fossil
3. Smallest gymnosperm