Classification of Gymnosperms

Q.

Which of the following gymnosperm is considered as a living fossil?

1. Ginkgo biloba

2. Deodar

3. Thuja

4. Pinus

Q. Match the Gymnosperms to their distinguishing characteristics.

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

Q. Male gametophyte in Pinus have

1. 1 Prothallial cell
2. 2 Prothallial cells
3. 4 Prothallial cells
4. A mass of cells

Q. Pinus wood is:

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

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. Endosperm in Pinus is:

1. Pre-fertilization tissue
2. Post-fertilization tissue
3. Pre or post-fertilization tissue
4. None of these

Q. Which one is non-vascular embryophyte?

1. Pinus
2. Euglena
3. Moss (Funaria)
4. Rhizopus

Q. The wood of pinus is

1. Pycnoxylic
2. Pycnoxylic and heterozygous
3. Manoxylic and homozygous
4. Manoxylic and heterozygous