Question

25B – 4 – DH – 11F – 8 – HN

(1) E, 8, 7, D, 9

(2) C, 7, 4, E, 9

(3) D, 8, 6, C, 7

(4) E, 8, 6, K, 14​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

1. Identify the wrongly matched pairs.a.Monocyte–Actively phagocyticb.Thrombocyte–Produces antibodiesc.Lymphocyte–Initiates blood clottingd.Eosinophil–Associated with allergy(1)(a) and (b)(2)(b) and (c)(3)(a) and (d)(4)(c) and (d)Answer(2)Sol.Thrombocyte is for clotting mechanism &lymphocytes are responsible for antibody production.2
2. .The bacteria used for scavenging oil spills bydigesting hydrocarbons of crude oil(1)Rhizobium meliloti(2)Bacillus thuringiensis(3)Pseudomonas putida(4)Escherichia ColiAnswer(3)Sol."Pseudomonas putida / superbug helps in removingoils spills from the contamenated sea water.Rhizobium – Symbiotic bacteriaBacillus – Used in biotechnologyE. Coli – Common bacteria in human smallintestine.3.Pickout the feature of dicot plant.(1)Leaves are isobilateral(2)Mesophyll is undifferentiated(3)Roots show secondary growth(4)Vascular bundles are closedAnswer(3)Sol.Dicot root can show secondary growth to formsecondary phloem and secondary xylem.4.Which is NOT TRUE about Meiosis?(1)Meiosis reduces the number of chromosomes tohalf(2)Meiosis occurs during gametogenesis(3)Meiosis I results in two daughter cells(4)Meiosis I is similar to MitosisAnswer(4)Sol.Meiosis II is equal to mitosis but not Meiosis Ibecause it is a reductional division5.The plant that shows hydrophily(1)Vallisneria(2)Maize(3)Pea(4)RafflesiaAnswer(1)Sol.Maize – Wind pollinationPia – By insects,Rafflesia – By elephants6.Which one of the following is NOT associated withthe process of hearing?(1)Tympanum(2)Semicircular canals(3)Cochlea(4)Auditory CanalAnswer(2)Sol.Semicircular canals present in inner ear balancesalong with the cerebellum of the brain7.The skeletal joint that enables movement in only onedirection is(1)Hinge joint(2)Ball and socket joint(3)Gliding point(4)Pivot jointAnswer(1)Sol."Hinge joint (Both Elbow and knee joint)"Ball & socket in shoulder and Pelvic / Hip jointGliding – CarpalsPivot – Between Atlas & axis as well as radius andulna