15-quiz for neet-aspirants from gymnosperm
Quiz 1) in which gymnosperm found in warmer area 1)pinus. 2)cycas 3)cedrus. 4)cycads 2) in which plant female cone is not present 1)cycas. 2)pinus 3)salvinia. 4)cedrus 3) plant have unbranched stem 1) pinus. 2) cedrus 3) cycas. 4)Equistem 4) coralloid root have bacteria for nitrogen fixation 1)Rhodospirillum 2)Azotobacter and nostoc 3) Frankia 4) anabena and nostoc 5) pinus seed not germinate without fungal association 1) this embryo is immature 2) it has obligate association with mycorrhizae 3) it has very hard seed coat 4) its seed contain inhibitors that prevent germination. 6) pinus plant have 1) pinnate compound leaf 2) needle shaped leaf 3) palm compound leaf 4) simple leaf 7)In male cone pollen grain is a 1) gametophyte. 2) gamete 3) ovule. 4)seed 8) conifers can survive in the extreme condition due to 1) presence of vessels 2) presence of thick cuticle 3) pres