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Fibrous thickenings of hygroscopic nature are found in this part of the anther wall:CorrectIncorrect
In a type of apomixis known as adventive embryony, embryos develop directly from theCorrectIncorrect
Which one of the following is surrounded by a callose wall?CorrectIncorrect
Study the following table and select the most correct option given below the table.
List –I List –II (Structure before seed formation) (Structure after seed formation) A. Funiculus I. Hilum B. Scar of Ovule II. Tegmen C. Zygote III. Testa D. Inner integument IV. Stalk of seed V. EmbryoCorrectIncorrect
Which of the following pairs in angiosperms are diploid and triploid, respectively?CorrectIncorrect
Which one of the following is not a correct explanation of cross pollination?CorrectIncorrect
Which one of the following pairs of plant structures has haploid number of chromosomes?CorrectIncorrect
Which one of the following statements is wrong?CorrectIncorrect
In the fully organized polygonum type of embryo sac, what is the ratio of haploid, diploid and triploid nuclei?CorrectIncorrect
Match the following ovular structure with post fertilization structure and select the correct alternative.
A. Ovule 1. Endosperm B. Funiculus 2. Aril C. Nucellus 3. Seed D. Polar nuclei 4. PerispermCorrectIncorrect