Seeds

What is a key characteristic of gymnosperms?

• They are nonflowering plants.

• They have seeds enclosed in fruits.

• They only grow in tropical regions.

• They produce flowers.

In the life cycle of a pine tree, which phase is dominant?

• Gametophyte phase

• Sporophyte phase

• Flowering phase

• Seedling phase

What is the role of male cones in pine trees?

• To produce fruits

• To produce seeds

• To produce pollen

• To produce flowers

How do pollen grains reach the female cone in pine trees?

• By insects

• Through water

• By animals

• By wind

How long does the complete life cycle of a pine tree take from cone formation to seed release?

• Four to five years

• Two to three years

• Six months

• One year