GATE XL Life Sciences – Botany Practice Questions (Mock Test 03) GATE XL Model Questions GATE XL Previous Year Papers Welcome to GATE XL (GATE XL Botany Mock Test 03) This Mock Test consists of 15 questions in MCQ format. At the end of the mock test, you have to click on the 'SUBMIT' button to see your Score and the Correct Answers. Please click on the 'NEXT' button to Start the Mock Test... 1. Consider the following assumptions: (1) All known living organisms have parasites (2) A single host species can harbor more than one type of parasites (3) Parasites are species specific From above information, it could be concluded that: No valid conclusion can be drawn Number of parasites is equal to the number of hosts Species of host organism is more than parasites Species of parasites is more than host organisms2. The plant species which produces both oil and dye is: Sesamum indicum Riccinus cumminis Canavalia gladicosa Carthamus tinctorius 3. The characteristic feature of a k-selected species is: High intrinsic growth rate Small size and large number of progenies Low age at first reproduction High age at first reproduction4. The biological species concept cannot be applied on: Parthenogenetic species Sympatric species Vegetatively reproducing plants Species of aquatic ecosystem5. Silica cells are present in the member of the family Poacaeae Lamaceae Annonaceae Orchidaceae 6. Which of the following embryo sac contain genetically identical nuclei? Polygonum Fratillium Plumbago Adoxa7. During evolution if a single species give rise to many descendants of different phylogenetic taxon, it is termed as: Clade Cluster Cline Clone8. Increase in the amount of the following is NOT the consequence of sewage effluents in the river ecosystem: Dissolved Oxygen Cyanobacterial density Phosphate level Microbial load9. In grasslands, the egrets feed by following grazing cows. Cow during grazing exposes insects from grasses to egrets. This could be an example of: Learn more: Positive and Negative Ecological Interactions Mutualism Commensalism Parasitism Ammensalism 10. Biodiversity hot-spots are characterized by the abundance of: Species of flowering plants Endemic flowering plants Endemic plants Threat perception11. Angiosperms originated during Upper Cretaceous period Lower Jurassic period Carboniferous period Mid Cretaceous period12. During the opening of stomata which ions are transported from neighboring cells to the guard cells? Cl- ion Ca2+ ions K+ ion Na+ ion 13. In plants, the lateral roots initiates from: Cortex Endodermis Pith Pericycle 14. The correct statement about the effect of ozone on the biosphere is: Atmospheric ozone is harmful but stratospheric ozone is beneficial Atmospheric ozone is beneficial but stratospheric ozone is harmful Both atmospheric and stratospheric ozone is harmful Both atmospheric and stratospheric ozone is beneficial15. Translocation of photosynthate in plants occurs through: Phloem Cambium Phloem and endodermis Cambium and phloemYou have reached at the End of this Mock Test. Please Click 'SUBMIT' button to see your Score and the Correct Answers... More Online Mock Tests… Please follow the links below… GATE XL Bioche.GATE XL Micro.GATE XL BotanyGATE XL ZoologyGATE XL Food Tec.GATE EY EcologyCSIR JRF NETICMR JRFDBT BET JRFGATE - BTIIT JAM - BTIIT JAM - BLGS - BiologySET - BotanySET - ZoologyNEET Get our Updates on GATE XL Papers in your E-mail Inbox We will not spam your account… Enter your e-mail address Don’t forget to Activate your Subscription…. Please See Your E-Mail… Browse more in Easy Biology Class… Lecture NotesBiology PPTVideo TutorialsBiology MCQQuestion BankDifference betweenPractical AidsMock Tests (MCQ)Biology Exams If you like this post, Please COMMENT . . . . (below ↓) Please Share with your Friends, Relatives, Students and Colleagues… Related posts: GATE XL 2018 Life Sciences – Botany Mock Test 01 GATE XL 2018 Life Sciences – Botany Practice Questions (Mock Test 02) GATE 2018 – XL Life Sciences Zoology Mock Test 01 (Free Online Practice Questions) GATE XL 2018 Zoology Mock Test 02 (Model Questions) GATE 2018 – XL Zoology Model Questions 03 GATE XL 2018 – Life Sciences Zoology Model Question Paper 04 Posted in GATE Botany Mock Test, GATE Life Sciences (XL), Mock (Practice) Tests and tagged GATE 2018, GATE Botany, GATE Botany Mock Test, GATE Mock Test, GATE Practice Questions, GATE XL.