botanyknowledge

Q.1 Which of the following genera produces dimorphic seeds that help to broaden the time of germination in a variable habitat?  (A) Xanthium  (B) Pisum  (C) Mangifera  (D) Linum  Q.2 The genes for microRNA (miRNA) in plants are usually transcribed by  (A) RNA polymerase I  (B) RNA polymerase II  (C) RNA polymerase III  (D) RNA polymerase IV  Q.3 Which of the statements is TRUE for transposable elements Ac and Ds?  (A) Both Ac and Ds are autonomous because they encode their own transposase  (B) Both Ac and Ds are non-autonomous because they do not encode their own transposase  (C) Only Ac is autonomous because it encodes its own transposase  (D) Only Ds is autonomous because it encodes its own transposase  Q.4 Identify the CORRECT statement.  (A) Receptor-like kinases play role in gametophytic self-incompatibility in Brassicaceae  (B) Receptor-like kinases play role in sporophytic self-incompatibility in...

CUET MCQ Question Answers for Practice      The Common University Entrance Exam (CUET) is a single-window admissions test for individuals wishing to enrol in the various undergraduate programmes provided by several central institutions around the country. The CUET will be administered via computer-based test (CBT). The question format will be multiple choice questions (MCQs). Candidates may practise the MCQ Questions for each part of the CUET 2023 Test in this post. 1. If the main stem becomes fleshy and photosynthetic, it is called phyllode cladode phylloclade none of these Ans: phylloclade 2. Penicillium is a member of: Deuteromycetes Basidiomycetes Ascomyectes Phycomycetes Ans: Ascomyectes 3. The 13-celled male gametophyte of Selaginella has 9 cells of antheridium + 4 prothallial 12 cells of antheridium + 1 prothallial 8 cells of antheridium + 5 prothallial cells 10 cells of antheridium + 3 prothallial cells Ans: 12 cells...

1. Which one of the following heterotrichous algae grows on rocks or bark? 1. Stigeoclonium  2. Trentepohlia  3. Cephaleuros  4. Fritschiella  Correct Answer :- Trentepohlia  2. Which one of the following statements is NOT correct? 1. Roots are absent in Psilotum.  2. In Equisetum, spores are spirally wrapped with elaters. 3. In Selaginella, rhizophores arise from angle meristems located at shoot branch points and produce roots at their distal ends. 4. Telome theory describes the classification of ferns. Correct Answer :- Telome theory describes the classification of ferns.  3.Which one of the following vir genes acts as a transcriptional activator of other vir genes? 1. vir D1  2. vir G  3. vir D2  4. vir E  Correct Answer :- vir G  4. Which one of the following features of Anthoceros indicates its algal ancestry? 1. Single chloroplast with a pyrenoid in each cell  2. Symbiotic association with Nostoc  3. Presence o...