Welcome to your Mathematics (SAT Mock Exams) You have 10 minutes to complete the test of 20 questions Phone Number 1. [ Tutors ]Most fish do not sink in water because of the presence of I. swim bladder II. air bladder III. air sacs IV. air in spongy bonesIII and IV are correctI, II, III and IV are correctII and III are correctI and II are correct2. [ Tutors ]Movement of cell against concentration gradient is calledpassive transportdiffusionactive transportosmosis3. [ Tutors ]Plants absorb dissolved nitrates from soil and convert them intoureafree nitrogenammoniaproteins4. [ Tutors ]Plants receive their nutrients mainly fromsoilchlorophylllightatmosphere5. [ Tutors ]Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species.About 2,500,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded withall gymnosperms, except conifersonly angiospermsonly conifersangiosperms and all gymnosperms except conifers6. [ Tutors ]Pollination is best defined asgrowth of pollen tube in ovulevisiting flowers by insectsgermination of pollen grainstransfer of pollen from anther to stigma7. [ Tutors ]Plants synthesize protein fromsugarstarchamino acidsfatty acids8. [ Tutors ]Photosynthesis generally takes place in which parts of the plant?stem and leafBark and leafLeaf and other chloroplast bearing partsRoots and chloroplast bearing parts9 out of 8Time is Up!