GYMNOSPERMS MCQS (60 most repeated)

GYMNOSPERMS MCQS (60 most repeated). Test Preparation of Lecturer Botany/ Biology ( AJKPSC, FPSC, PPSC) By: S.T Botanist.

SOLVED MCQS. 1- Which order include all fossil plant (a) Coniferales (b) Cycadofilicales © Ginkgoales. (d) Gnetales Answer : b 2- The life cycle of gymnosperms is a) Diplontic b) Haplodiplontic c) Haplontic. d) diplohaplontic Answer : a.

3-The megasporangium is also known as a) ovule b) nucellus c) fruit d) micropyle Answer : b 4-Fruits are not formed in gymnosperm because: a)Fertilization is absent b)Pollination is absent c)Seeds are not formed d)Ovary is absent Answer d.

5-Edible dry fruit from gymnosperm is; a) Cashewnut . b)Cocoanut c) Chligoza d) Groundnut Answer c 6-The term ‘gymnosperm’ was first introduced by : a)Theophrastus. b) Brown c) Bauhin d) Caesalpino Answer a.

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7- Gymnosperm differ from angiosperm a) having seeds b) having fruits c) having naked ovules d) none of these Answer : c 8-Phloem of gymnosperm differ from angiosperm in a) having parenchyma b) having no companion cells c) having no sieve tube d) having no sclerenchyma Answer b.

9-Megasporophyll is the term used in gymnosperm to denote a) carpels b) stamens c) leaves d) female cone Answer a 10-In which of the following group would you place a plant which produce seeds but lacks flower? a)Fungi b)Pteridophytes c)Bryophytes d)Gymnosperms Answer d.

11-The term saccus is used for: a) Wings of seeds of Pinus b)Wings of pollen grains of pinus c) Prothallial cell of pollen grain of pinus d) Intine of pollen grain of pinus Answer b 12-Monkey’s puzzle is the common name of : a) Pinus longifolia . b) Cycas revoluta c) Gnetum gnemon . d) Araucaria imbricata ( araucana ) Answer d.

13-Endosperm in gymnosperm is formed a) at the time of fertilization b) before fertilization c) after fertilization d) along with the development of embryo Answer b 14-Taxol is obtained from . a) Taxus b) Acetabularia c)Cycas d)Pinus Answer : a.

15-In gymnosperm pollination is exclusively by: a) animals b) wind c) insects d) water Answer : b 16- Largest sperms are found in: a) Pinus b) Cedrus c) Cycas d) Gnetum Answer c.

17-Transfusion tissue is found in: a) Cycas leaf b) Cycas leaflet c) Cycas petiole. d) Cycas root Answer b 18- Ptyxis in Cycas is: a) Simple b) Circular c) Circinate d) None of these Answer. c.

19-The most advanced order in gymnosperms a) Cycadales b) Coniferales c) Gnetales d) Taxales Answer c 20-Coralloid roots are found in a) Cycas b)Pinus c) Dryopteris d) Lycopodium Answer a.

21- Algal zone is characteristic of: a) Normal roots of Cycas b) Roots of Pinus c) Stem of Cycas. d) Coralloid roots of Cycas Answer d 22-Endosperm in gymnosperms develops from: a) Microspore. b)Megaspore c) Secondary nucleus. d) Archegonium . Answer b.

23-A gymnospermic plant a) bear fruit b) Exhibit no vascular tissue c) Produce seeds in cones d) Does not produce seeds in cones Answer C 24-Which of the following order of gymnosperms is totally become extinct : a)Cycadales b)Ginkgoales c)Gnetales d)Cycadofilicales Answer d.

25-Which of the following remained unchanged for last many million years: a)Pinus c)Rice c)Acacia d)Ginkgo Answer d 26-Ovule in gymnosperm is generally : a)Anatropous and bitegmic b) Orthotropous and bitegmic c) Anatropous and unitegmic d) Orthotropous and unitegmic Answer d.

27-Which of the following is commonly known as “ Chilgoza pine”: a)Pinus roxburghii b)P. strobus c)P. gerardiana d)P. sylvestris Answer : c 28-Most gymnosperms have: a)Both archegonia and antheridia b)Antheridia but no archegonia c)Archegonia but no antheridia d)No antheridia or archegonia Answer : c.

29-In Cycas the microsporangia are born on which side of microsporophyll: a) Adaxial b) Abaxial c)Lateral d)Terminal Answer : b 30-In gymnosperm endosperm is. a)Triploid b)Diploid c)Haploid d)Tetraploid Answer c.

31- The winged pollens are found in: a)Cycas b)Pinus c) Both (a) and (b) d) None of these Answer: b 32-. The microsporangia are present on ………..surface of microsporophyll in Pinus: a)Dorsal. b) Ventral c) Both (a) and (b). d) Note of these Answer: a.