Question 1. Conifers have evolved to withstand harsh environmental conditions Because of
A.Broad hardy leaves B. Superficial stomata C. Thick cuticle D. Presence of vessels
Question 2. Coralloid roots are found in which of the following genera?
A.Cycas B.Taxus C. Pinus D. Sequoia
Question 3. Vessels are absent in the wood of
A.Pine B. Eucalyptus C. Teak D. Sheesham
Question 4. Which of the following is a Gymnosperm that has vessels?
A.Cycas B. Pinus C. Ginkgo D. Gnetum
Question 5. Which of the following genera has homosporous individuals?
A.Cycas B. Pinus C. Selaginella D. Lycopodium
Question 6. Cycas and Adiantum are similar in appearance in
A.Seeds B. Motile sperms C. Cambium D. Vessels
Question 7. Gymnosperms are sometimes known as softwood spermatophytes Because of their lack of hardwood
A.Cambium B.Phloem fibers C. Thick-walled tracheids D. Xylem fibers
Question 8. The largest antherozoids are found in
A.Cycas B. Cedrus C.Ephedra D. Pinus.
Question 9. Microsporangium dehisces in Cycas occurs when pollen is at
A.3 celled stage B. 4 celled stage C. 2 celled stage D. 1 celled stage.
Question 10. The endosperm of Gymnosperms is
A.Haploid B. Diploid C. Triploid D.Hexapliod
Question 11. Cycas that resemble ferns have a feature that is similar to that of ferns is
A.Circinate ptyxis B. Sori in microsporophyll C. Uniflagellate male gametes D. Both A and B.
Question 12. Pinus belongs to the class
A.Gnetopsida B. Cycadopsida C. Coniferopsida D.Sphenopsida
Question 13. The number of cotyledons in a Cycas seed is
A.One B. Two C.many D. None of these
Question 14. Gymnosperms produce seeds but no fruits due to a lack of pollen.
A.Cotyledon B. Embryo C. Ovary D. Ovule
KEY (Answers)
| 1-C | 2-A | 3-A | 4-D | 5-D | 6-B | 7-D |
| 8-A | 9-A | 10-A | 11-D | 12-C | 13-B | 14-C |