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Origin of seed habit or its foundation w...

Origin of seed habit or its foundation was laid in Selaginella like pteridophytes but seed formation did not occur because of

A

In situ development of female gametophytes

B

Absence of precocious development of microgametophyte

C

Absence of integumented megasporangium

D

Dependence on water for pollination

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A. Heterospory is found in all members of pteropsida B. Selaginella is advance among pteridophytes as it produces seeds C. Pinus leaves are monomorphic , pinnate compound and have sunken stomata as adaptation transpiration D. Sporic meiosis is characteristic of life cycle in many organisms like Volvox , Chlamydomonas and Ulothrix .

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AAKASH INSTITUTE-TEST 5-EXAMPLE
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  2. Select the wrong statement for gymnosperms

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  3. Origin of seed habit or its foundation was laid in Selaginella like pt...

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  4. Which of the following statement for racemose inflorescence is incorre...

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  5. The spread of living pteridophytes is limited and is restricted to nar...

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  6. Chosse the incorrect statement for red alage

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  7. A chlorophycean number can be e separated from red alga in

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  8. Which of these may not be an economic importence of bryophytes?

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  9. Chosse the incorrect option w.r.t. bryophytes

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  10. If the number of chromosomes in the secondary nucleus of Zea maize is ...

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  11. system of classification proposed by Engler and Prantl

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  12. Branch of taxonomy that uses chemical constituents of plants to resolv...

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  13. Choose the incorrect statement regarding Bentham and Hooker's system o...

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  14. Artificial system of classification as given by Linnaeus is not accept...

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  15. Plants possessing leafy body without vascular tissue, presence of embr...

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  16. Find the correct option related to secondary metabolites

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  17. In nucleoside of DNA, C-1 of 2'-deoxyribose is linked toof pyrimidine ...

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  20. Esters of fatty acid with higher molecular weight monohydric alcohols ...

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