Which of the following is/are correct for gymnosperms ?  I. They are heterosporous.  II. They are
Channel: Doubtnut
Date: 03/05/2020

Which of the following is/are correct for gymnosperms ?  I. They are heterosporous.  II. They are the  first vascular plants.  III. Possesses fruits.  IV. Require water for fertilisation.