1. Conifers are mainly adapted to which type of habitat?

2. The leaves of Pinus are typically

3. In Pinus, needles occur in bundles called

4. Which structure in Pinus protects the young bud and is often scale-like?

5. The type of leaf arrangement in Cedrus is generally

6. Conifer wood is primarily composed of

7. The male reproductive structures in Pinus are borne on

8. Female cones (megastrobili) of Pinus are typically

9. The wings on pine seeds aid in

10. The protective covering around pine cone scales is called

11. In Pinus, pollination is primarily by

12. The germination of pollen in gymnosperms leads to the formation of

13. Resin canals in conifers are associated with

14. The vascular cambium in conifers contributes to

15. In Pinus, the number of ovules per ovuliferous scale is usually

16. Which of the following is a key identifying feature of Cedrus wood or timber?

17. The female gametophyte (nucellus-derived tissue) in gymnosperm seeds provides

18. The period between pollination and fertilization in many pines is often

19. In conifer leaves, sunken stomata and thick cuticle help in

20. The embryonic root in Pinus seed is called the

21. Resin from conifers is economically important because it is used in

22. In Pinus, heterospory means

23. The seed coat in pine develops from the

24. The term 'dimorphic shoots' in Pinus refers to

25. Which of the following anatomical features is common in conifer leaves?

26. The presence of which tissue in stem contributes to mechanical strength and straight growth in conifers?

27. Which part of the conifer cone bears the ovules in female cones?

28. The term 'aril' in some conifer seeds refers to

29. In conifers, the megaspore mother cell undergoes meiosis to produce

30. Why are conifers important in ecosystems and economy?