Which of the following statements regarding gymnosperms are correct?

1. I, II and III
2. I, III and IV
3. II, III and IV
4. I, II, III and IV

All the following differentiate gymnosperms from the higher cryptogams except:

The features seen in the gymnosperm Cycas include:

1. I and II only
2. I and IV only
3. I, II and III only
4. I, II, III and IV

The first group of terrestrial plants to get rid of the swimming sperm was the:

Select the correct statement.

(1) Salvinia, Ginkgo and Pinus all are gymnosperms

(2) Sequoia is one of the tallest trees

(3) The leaves of gymnosperms are not well adapted to extremes of climate

(4) Gymnosperms are both homosporous and heterosporous