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. During evolution if a single species give rise to many descendants of different phylogenetic taxon, it is termed as: Cluster Clade Clone Cline2. The correct statement about the effect of ozone on the biosphere is: Both atmospheric and stratospheric ozone is beneficial Both atmospheric and stratospheric ozone is harmful Atmospheric ozone is beneficial but stratospheric ozone is harmful Atmospheric ozone is harmful but stratospheric ozone is beneficial3. The characteristic feature of a k-selected species is: High intrinsic growth rate High age at first reproduction Low age at first reproduction Small size and large number of progenies4. The biological species concept cannot be applied on: Vegetatively reproducing plants Species of aquatic ecosystem Parthenogenetic species Sympatric species5. In plants, the lateral roots initiates from: Pericycle Cortex Pith Endodermis6. Increase in the amount of the following is NOT the consequence of sewage effluents in the river ecosystem: Microbial load Dissolved Oxygen Phosphate level Cyanobacterial density7. 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 Species of host organism is more than parasites Species of parasites is more than host organisms Number of parasites is equal to the number of hosts8. The plant species which produces both oil and dye is: Sesamum indicum Carthamus tinctorius Canavalia gladicosa Riccinus cumminis9. 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 Commensalism Ammensalism Mutualism Parasitism10. Translocation of photosynthate in plants occurs through: Cambium Phloem and endodermis Cambium and phloem Phloem11. Silica cells are present in the member of the family Annonaceae Poacaeae Orchidaceae Lamaceae12. Biodiversity hot-spots are characterized by the abundance of: Endemic plants Species of flowering plants Threat perception Endemic flowering plants13. Angiosperms originated during Upper Cretaceous period Mid Cretaceous period Lower Jurassic period Carboniferous period14. During the opening of stomata which ions are transported from neighboring cells to the guard cells? Ca2+ ions Na+ ion K+ ion Cl- ion15. Which of the following embryo sac contain genetically identical nuclei? Adoxa Fratillium Plumbago Polygonum You 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 XL Biochemistry Free Online Mock Test 01 (GATE 2018 Practice Questions) GATE 2018 – XL Life Sciences Zoology Mock Test 01 (Free Online Practice Questions) GATE XL 2018 Zoology Mock Test 02 (Model Questions) 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.