GATE XL 2018 Life Sciences – Botany Mock Test 01 GATE XL Model Questions GATE XL Previous Year Papers Welcome to GATE XL Botany Mock Test (GATE XL Botany Mock Test 01) 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. If the complete atmospheric gases are removed, then what would be the effect on global temperature of the earth? No effect on temperature but pressure increases It will suddenly fall It will quickly increase The stability of temperature will loss2. Plants dissipate excess excitation energy as heat so as to protect from photo‐oxidative damage. The mechanism is known as Non ‐Photochemical quenching Photo chemical quenching Photo-inhibition Warburg effect3. Which of the following statements are true about phytochromes? A. They are photoreceptors sensitive to red and far-red region of the light B. Two types (Type I and Type II) C. Type I phytochromes are activated by far-red light D. Type II phytochromes are activated by red light A, and B A, B, C and D B, C and D A, B and C4. Cholodny–Went model explains: The topism in plants The phloem loading in plants The mechanism of nitrate absorption by root hairs The differentiation of secondary meristem from permanent tissues5. Which of the following are the abiotic factors in an ecosystem? Temperature, rainfall, pH, nutrients Temperature, rainfall, pH, Food Temperature, rainfall, pH, viruses Temperature, rainfall, pathogens6. There are two ecosystems named as A and B. The ecosystem A is with high species diversity and B is with low species diversity. Which of the statement is NOT correct for the above mentioned ecosystems? Energy recycling is more efficient in ecosystem B. There will be more competition in ecosystem A Ecosystem A will have more extinction rate of species. The Ecosystem B would be less affected by environmental stress as compared to Ecosystem A.7. During the maturation of chloroplasts in presence of light, the thylakoids and grana arise from: Previous chloroplasts The pro-lamellar bodies of etioplasts Newly synthesized by the cell Form de-novo8. Chloroplasts that have not been exposed to light is called: Pre-plast Chromoplast Pro-plasts Etioplast9. Which of the following statements are true about allantoin? A. It is a diureide of glyoxylic acid B. It is a major metabolic intermediate C. Present animals, plants and bacteria D. It is produced from uric acid A, C and D A, B, C and D B, C and D A, B and D10. Prolamellar bodies are present in: Chloroplasts Etioplasts Leucoplasts Chromoplasts11. Which of the following represents the gametophytic generation in plants Embryo sac Megaspore Ovule Egg12. Which is NOT true in a process of ecological succession from the pioneering stage to climax stage? Wide niche Food chain to food web Biomass increases Dependency on detritus food chain increases13. Vinblastine has been extensively used for the treatment of cancer. This is an example for: Radio-chemotherapy Radiotherapy Chemotherapy Chemo-surgery14. In which case the statistical approach of analysis of variance can be applied: Body weight is dependent on person height Seed weight is influenced by calcium in soil The productivity of the lake is not significantly different from other five lakes Diabetes dependent on the concentration of insulin in blood15. Which statement explains the phenomenon of character displacement? The organism of different species looks different where habitat do not overlap while looking entirely similar where their habitat overlaps Organism develops various new characters in different habitats Organisms of different species are morphologically similar in different habitat but look different where they live together. Organisms phenotypically similar are genetically differentYou 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 Practice Questions (Mock Test 02) GATE XL Life Sciences – Botany Practice Questions (Mock Test 03) 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 2018 – XL Zoology Model Questions 03 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.