Plant Evolution MCQ — 100 Practice Questions with Answers

Q1. Consider the following statements about seed-plant evolution: 1. Seeds and pollen distinguish seed plants from seedless vascular plants. 2. Fossils place the earliest distinct seed plants at about 350 million years ago. 3. The first reliable record of gymnosperms is placed at about 119 million years ago. Which of the statements given above are correct?

Q2. With reference to gymnosperms and conifers, consider the following statements: 1. Ginkgoales had only one surviving species, Ginkgo biloba, according to OpenStax. 2. Gymnosperms expanded in the Mesozoic era, about 240 million years ago. 3. In conifers, seeds are enclosed by a mature ovary that ripens into a fruit. Which of the statements given above are correct?

Q3. With reference to vascular plants, consider the following statements: 1. Vascular plants possess xylem and phloem. 2. Ferns, gymnosperms and flowering plants are all vascular plants. 3. The larger, more conspicuous generation among vascular plants is usually the gametophyte phase. Which of the statements given above are correct?

Q4. With reference to early land-plant evolution, consider the following statements: 1. Land plants share the feature of housing the plant embryo in maternal tissue. 2. The development of seeds arose from retention of the embryo inside maternal tissue. 3. Tracheophyte tissues never differentiated into leaves, stems and roots. Which of the statements given above are correct?

Q5. With reference to the colonization of land by plants, consider the following statements: 1. Aerial plant structures on land face the risk of drying out. 2. On land, plants had to develop structural support because air does not provide the buoyancy given by water. 3. Carbon dioxide is less readily available in air than in water. Which of the statements given above are correct?