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. The correct statement about the effect of ozone on the biosphere is: Atmospheric ozone is beneficial but stratospheric ozone is harmful Both atmospheric and stratospheric ozone is beneficial Atmospheric ozone is harmful but stratospheric ozone is beneficial Both atmospheric and stratospheric ozone is harmful2. Translocation of photosynthate in plants occurs through: Cambium and phloem Phloem and endodermis Phloem Cambium 3. During evolution if a single species give rise to many descendants of different phylogenetic taxon, it is termed as: Cline Clone Cluster Clade 4. 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: Species of parasites is more than host organisms No valid conclusion can be drawn Number of parasites is equal to the number of hosts Species of host organism is more than parasites5. 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 Ammensalism Parasitism Commensalism6. In plants, the lateral roots initiates from: Pith Endodermis Pericycle Cortex7. During the opening of stomata which ions are transported from neighboring cells to the guard cells? Cl- ion Ca2+ ions Na+ ion K+ ion 8. The biological species concept cannot be applied on: Sympatric species Species of aquatic ecosystem Vegetatively reproducing plants Parthenogenetic species9. Silica cells are present in the member of the family Orchidaceae Poacaeae Lamaceae Annonaceae 10. Increase in the amount of the following is NOT the consequence of sewage effluents in the river ecosystem: Microbial load Phosphate level Cyanobacterial density Dissolved Oxygen11. Which of the following embryo sac contain genetically identical nuclei? Polygonum Fratillium Adoxa Plumbago 12. The characteristic feature of a k-selected species is: Small size and large number of progenies High age at first reproduction High intrinsic growth rate Low age at first reproduction13. Biodiversity hot-spots are characterized by the abundance of: Species of flowering plants Endemic flowering plants Threat perception Endemic plants14. The plant species which produces both oil and dye is: Riccinus cumminis Carthamus tinctorius Canavalia gladicosa Sesamum indicum 15. Angiosperms originated during Lower Jurassic period Carboniferous period Mid Cretaceous period Upper Cretaceous periodYou 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.