Question

Which of the following sequence is correct with respect to the structure present in Gymnosperm?

• A. Strobili $\to$ Sporophylls $\to$ Sporangia $\to$ Spores
• B. Strobili $\to$ Sporangia $\to$ Sporophylls $\to$ Spores
• C. Sporophylls $\to$ Strobili $\to$ Sporangia $\to$ Spores
• D. Spores $\to$ Sporangia $\to$ Strobili $\to$ Cones

Answer 1

Answer: (A)

Spore producing modified leaves are called sporophyll, which are organized around an axis is spirally to found a compact structure called strobili. Each sporophyll bears sac-like structure called sporangia and inside it spore mother cell undergoes meiosis to form haploid spores.