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Aakash Neet Test-3papers

Aakash Neet Test-3papers solved

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Aakash Neet Test-3papers

Aakash Neet Test-3papers solved

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ravinderinst2
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09/04i2018, CC_Phase-1 Code - A Medical] IIT-JEE| Foundations (sth Eda Sees PA) Regd. Office : Askash Tower, 8, Pusa Road, New Delhi-t10005, Ph.-011-47629456 MM: 720 Crash Course for NEET - 2018 Time : 3:00 Hrs. Test-3 [Topics covered in various subjects: Physics System of Particles and Rotational Motion-Il: Rigid body rotation, conservation of angular ‘momentum, Rolling kinetic energy, Gravitation, Mechanical Properties of Solids and Fluids Chomistry : Equilibrium-li: tonic Equilibrium: pH of weak acids, weak bases, buffer solutions, Equilibrium-Itt hydrolysis of salts and mixture of acids & bases, Numerical, Redox Reaction, Solid State Botany Cell Cycle and Cell Division, Transport in Plants, Minerals Nutrition, Zoology Breathing and Exchange of Gases, Body Fluids and Circulation, Excretory Products and their Elimination Instructions. {) Use Blue/Black ballpoint pen only to darken the appropriate circle (ii) Mark should be dark and should completely fil the circle, (ii) Dark only one circle foreach entry (iv) Dark the circle in the space provided only. () Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on Answer sheet ‘ (vi)_ Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score. PHYSICS 1. The graph between logarithmic of time period of 3. A point P is at a distance d from one end of a Choose the correct answer : revolution of a planet orbiting in a circular orbit Uniform rod of length L and mass M as shown in ‘round the sun vs logarithmic of radius of orbit is figure. The gravitational field intensity at P due to (1) Parabotie (2) Hyperbola a (8) Straight line (4) Ellipse poe] P 2. The force of attraction between point mass (7m) and 'e 1d hollow sphere of mass (M) and radius (R) as shown in figure is ae oe O Cray @ Car ut ou @ Grad Oe 4. For isobaric process, bulk modulus (8) is GM 2GMm (1) B=0 () a 2) “ps Q) Be cua: @)o> /) () 2h Qn h @> 4) 3h ‘A barometer kept in an elevator reads 76 cm when it is at rest. If the elevator goes up with constant speed, the reading will be (1) Zero 2) 760m (@) >76 cm (4) <76 cm re CC_Phase-t_Test-3 (Code-A) 33, 34, 37. For the given diagram, the equation of speed (v) of 39. efflux is 40. (1) v= 29h, +h,) @) v = J2gh, ih f a1 wye oz +t) v= V2gh, The adiabatic elasticity of a gas is equal to {y= adiabatic index] (1) yx density @) 7 pressure @ yx volume (4) 7 * specific heat Eight rain drops of radius 2 mm each falling down with a terminal vetocity of 10 cm/s coalesce to form ‘a bigger drop. The terminal velocty of the bigger drop will be (1) 20 emis @) 40 cmis @) 5 cms (4) 100 cm/s 42, The velocity of center of mass of a uniform solid sphere of mass (M) and radius (R) rotating with angular speed (0) about a fixed axis passing through its centre is 2 (1) Ro 2) SRo 43. 5 7 @ Ze (4) Ze10 A body of mass (im) Is projected from ground with velocity w making an angle @ with horizontal, The angular momentum at the highest point of projectile 44 about point of projection is mut si 1) "acoso mu? sin29 frie g 9 mu’ sin’ Ocos0, mu? sin? Dcost 2g 2g In case of pure rolling, the velocity of point A of the ting of radius Ris 7 45 (1) Vom @) Zero (4) = AR Crash Course for NEET . 2018 ‘The work done by friction if body is rolling without, slipping on @ rough horizontal surface is (1) Zero Q Positive (3) Negative (4) May be positive or negative 4 The angular speed of a motor wheel is increased from 60 rpm to 180 rpm in 4 second. The angular acceleration of the wheel is i (1) wraais? (2) 2n reais? ‘ (3) rad/s? (4) Zero 7 A solid sphere of mass M and radius R is placed on a rough surface as shown in figure. If a horizontal | force F is applied at point P, then the frictional force | acting on the sphere is (2) Zero (1) 2F o> @F ‘A disc of mass M and radius R rolls on an inclined plane having inclination 30° without slipping. The linear acceleration of center of mass of ralling dise is (Take g = 10 m/s?) (1) 10 mist Q) Sms? @) 3.33 mis? (4) 6.67 mis The kinetic energy of a solid cylinder of mass 1 kg is rolling purely on a rough surface with a velocity 4 m/s about an axis passing through its geometrical axis is () 12d @ Bu @) 4 (4) 404 A thin circular ring of mass M and radius ris rotating about its axis with a constant angular velocity «0 Four objects each of mass m are attached gently to the opposite end of two diameters of the ring ‘The ring will now rotate with an angular velocity oM Oo @ ream eo ‘Which of the following is incorrect? (1) Surface tension arises only due to intermolecular adhesive forces (2) Surface tension does not depend on the area of surface (8) At critical temperature surface tension becomes zero (4) All of these bon Grash Course for NEET-2018 46. a7, 48, 49. 50, 51 52, 53, 54, &C_Phase-! Test-3 (Code-A) CHEMISTRY ‘Which among the following is @ Lewis acid ? Ho 2) aici, () NH, (4) OFF 10 ml aqueous solution of HCI having pH = 2 is diluted by water so that the pH becomes 4. Volume of water added to the solution is (1) 1000 mt (2 900 mi (@) 50 mi (4) 990 mi The salt which will hydrolyse in aqueous medium to give alkaline solution is (1) Nec @) CH,COONa (3) NH,CI (@) NaNO, ‘The correct relationship between ‘a’ and ‘in BCC unit cell is (a= edge length of unit cell; r = radius of ator) (1) Ba = 4r @ Va @ Wa (4) Va Number of tetrahedral voids present in the unit cell of FOC crystal is ay 4 (2) 6 (3) 10 4) 8 In which of the following compounds, the oxidation state of oxygen is positive 7 ) KO @) Ko, @ OF, ) K,0, Oxidation states of carbon in C0, are (1) #2 and +4 (2) +2and +4 (3) +2 and 0 (4) +2 and -1 In the given reaction FP + MnO, + HO > 1, + MnO, + OH” ‘The number of moles of MnO, formed per mole of I Con compiete reaction is 4 a2 QZ 3 3 1 @ 5 > Conjugate base of HPO, is (1) H,POS (2) H,PO, (3) PO, (4) OH 6) 55, 87. 60. 61 In iodometric titration reaction, the indicator used to detect end point of the reaction is (1) Gil. Knino, (2) Freshly prepared starch solution (8) Phenolphthalein (4) Methyl orange Which among the following species is most oxidising in nature in aqueous medium? ay ut Oe (3) Cu 4) Agt Strongest acid among the following is () CH, @) NH, (3) HO, (4) HE {f the solubility of Ag,CO, in the aqueous solution is S moll, then the solubily product of Ag,CO, will be (1) 188? @ 6as® () 1288° (a) 4° In a metal oxide, the oxide ions are arranged in FOC and metal occupied > of tetrahedral voids Then the simple formula of the oxide is (1) M;O, (2) MO, @) MO, (@) Mo, Fraction of the total volume occupied by the atoms. ina BCC structure is 8 «y Bn € Which among the following is a ferromagnetic substance ? (1) cro, @ Feo, (3) MgFe,0, (4) MnO In metal excess defect, excess of potassium makes KCI crystals (1) Green @) Violet 8) Pink (4) Yellow Which among the following is paramagnetic in nature? (1) @) #0 (3) NaCl (4) OH, 8) CC_Phase-t_Test-3 (Codo-A) 64, 685. 7 68 69, 70. m1 For the redox reaction MnO; + Br-+ H° > Mn + Br, + HO The correct coefficients of the reactants for the balanced reaction are no, Br He m 3 2 14 @ 2 10 16 pee 10 8 @ 4 6 16 In the estimation of Fe using K,Cr,0, solution in acidic medium, the equivalent weight of K,Cr,0, is equal to its Molecular weight Molecular weight oOo & 4 2 Molecular ght Molecular weight ) SS) Which among the following will never act as a reducing agent ? (a) N @) NO @) NH,CI (4) HNO, ‘An element crystallises in a cubic close packed structure, If the radius of the atom of the element is 141.4 pm, then how many unit cells are present in 100 cm! of the crystal ? (1) 6.02 x 10 (2) 1.56 x 10 8) 2.25% 107 (4) 4.78 « 102 pH of 0.1 M solution of sodium acetate in water is (pK, of acetic acid = 4.76) (78 Q) 89 @) 95 ) 64 100 mi, 0.1 M acetic acid solution is mixed with 50 ml, 0.1 M NaOH solution. The pH of the mixture will be [pK, of acetic acid = 4.76] (1) 5.76 @) 425 @) 526 (4) 476 pH of a saturated solution of Mg(OH), is 10. The value of solubility product (K,,) of Mg(OH), is, (1) 50 * 107° @) 5x 10% @ 5x10 @) Sx 10" Which of the following pair constitute a buffer ? (1) HCOOH and HCOONa (2) NaNO, and HNO, (3) HCI and Nach (4) Both (1) and (2) 6) 72. 73, 74, 76. 77 78 79. £0. at Crash Course for NEET - "The number of carbon atoms present per unit cell of diamond is ma Q3 3) 6 as Forbidden energy gep is maximum in (1) Silicon (2) Germanium (3) Copper (4) Diamond In the given reaction P, + NaQH > NaH,PO, + PH, (1), Oxygen is reduced 2) Hydrogen is oxidised (3) P is oxidised and as well reduced (@) P is oxidised only Sulphur has the highest oxidation state in a) Hs @ 1,80, @) H,80, (4) 80, In Br,0,, the oxidation states of Br are (1) +8 and 44 2) +6and +4 (3) +8 and +2 (4) +4 and +2 1¥ 0.02 mole of HC! is present in 500 mi solution, then the pH of solution will be (1) 24 2) 17 (14 (4) 04 If the pH of a solution is 4, then the hydroxide ion concentration in the solution would be (1) 104 Q 10 @) 10"? (4) 10 500 mi, 0.02 M HCI is mixed with 600 ml, 0,01 M NaOH solution. The pH of the mixture is (log 5= 0.7) a) 43 @) 13 @ 33 (4) 23 If the solubility of silver chromate is 3 x 104 M at a particular temperature, then its solubility product is (1) 1.08 « 10-¢ (2) 1.08 « 10-8 @ 3.16 « 10°? (4) 271% 400" Total number of atoms in a unt cell having one atom on each corner and two atoms on each body diagonal is as gs 28 4) 9 Crash Course for NET - 2018 €C_Phase-| Test-3 (Code-A) 82, 83, 85, 86, 1 92, 93, H1'A’ atoms are arranged at the lattice points in FCC. tetrahedral voids and half of octahedral voids, then formula of the crystal will be (1) AB @) AB, @) ABS 4) AB, The colour of litmus in acidic and basic solutions are respectively (1) Blue and red (2) Blue and pink (3) Green and red (4) Red and blue Aqueous solution of sodium cyanide is (1) Weakly acidic 2) Stronaly acidic (3) Neutral (4) Alkaline ‘The number of acidle protons in HPO, are a4 @ 3 2 0 Correct order of acidic strength is (1) CHy < NH, < HE < H,0 2) CH, < NH, D5A+E>C @) B>D+2A+C3E All the given statements are true for diffusion, oxcopt. (1) It isa slow process Q) It is the only means for gaseous movement within the plant body (@) It is not dependent on a living system (4) Its rate is not influenced by temperature and pressure What will be the amount of DNA in meiosis-I! products if a meiocyte contains 40 pg of DNA in ‘S-phase? (i) Seg @) 80 pg (3) 20 pg (4) 10 pg Select the odd one vert, structural elements of plant cell (1) Hydrogen 8) Nitrogen @) Oxygen (4) ‘Manganese rem eee ene meee CC_Phase-t_Test:3 (Code-A) w7. 98, 99, 100, What is the y,, of cell A and direction of water movement between two adjoining cells A and B? prcrney er Cel w, =—11 bare, yp = 7 bars ‘FetGairay | Direction (1) 15 BoA (2) 4 AoB (3) 45 Ax B (4) 5 BoA Read the following statements and identify the correct set of statements. ‘a During $ phase, amount of ONA and number of chromosomes per cell becomes double. b. Chromosomal material decondenses to form compact mitotic chromosomes, c. Heart cells do not show cell division d. Cells are metabolically active in quiescent stage. fe Number of chromosomes in the parent and progeny cells produced by mitetic division are same, (1) All except b and c (2) Allexcept a and b (8) Only cand d (4) a, bandd is/are the best in imbibants among plant imbibants. (1) Cellulose 2) Protein @) Phycocolloides (4) Starch Read the following features and identify the correct mineral nutrient associated with it. (A) Major constituent of vitamins and hormones. (6) It helps in formation of mitotic spindle. (©) Ithelps to maintain ribosome structure. (0) It activates carboxyiases. (A) | 8) |) | ©) () |S | Fe | K | Mo (2) |'N [Ca [Mg | 2n @) [-P [mg | Mn | Fe (4) | K | P| Mo | Mn 8) 401 102 103. 104, 108. 106. Crash Course for NEET- 2018 Statement A : In animals, mitotic cell division is only seen in the diploid somatic cells. Statement B : Plants can show mitotic and meiotic divisions in both haploid and diploid cells (1) Only statement A is correct (2) Only statement B is correct (2) Both statements A and B are correct (2) Both statements A and B are incorrect Identify the correct relation for DPD and OP for a flaccid cell (1) DPD > OP (2) DPD < OP (3) DPD = OP (@) DPD= OP +1 All the following events take place during telophase, except (1) Reformation of goigi complex, ER and nucleolus @) @ ‘Chromosomes cluster at opposite spindle poles Nuclear envelop assembles around the chromosome clusters (4) Chromosomes regain their identity as discrete elements How many of the following deficiency symptoms are caused by deficiency of nitrogen and sulphur? a. Chlorosis b. Necrosis c. Late flowering 4d. Inhibition of cell division (i) 4 Qs 3) 2 @ 4 Intercellular movement of water during symplastic, pathway takes place through (1) Celt walt (2) Casparian strips @) Plasmodesmata (4) Both (1) and (3) Meiosis | s initiated after the parental chromosomes have replicated to produce (1) Sister chromatids at metaphase (2) Non-sister chromatids at zygotene (8) Sister chromatids at S-phase (4) Non-sister chromatids at pachytene seni Grash Course for NEET - 2018 107. 108. 109 10. nt 112, Read the given statements and select which ones. ‘are true (T) and which ones are false (F) a b ©. Carrier proteins in the cell membrane are insensitive to inhibitors that react with protein side chains. ‘The molecules move from low DPD to high DPD. a(T), b(T), c(F), d(T) a(F), b(T), oF), d(T) (3) alF), BT), oT), atF) (4) a(F), b(T), AF), oF) Identify the bacteria that are involved in oxidation of ammonia into nitrites Tonoplast is impermeable to water. Cell swells when placed in hypotonic solution. a (ay 2) a Nitrosomonas b. Nitrobacter ©. Nitrocystis 4. Nitrococcus (1) aandb Q) bande @) candd (4) aandd Select the option which correctly fils the blanks in the following statements. (@) The _ chromosomes align on the equator plate. (8) Dyad of cells is observed in of meiosis. (C) The final stage of meiotic prophase | is (0) Interkinesis is followed by (A) @) (c) ) (1) [Homologous [Telophase Ii Diakinesis | Tetophase | (@ |omalagous | Telophase | Diplotene [Prophase | ©) [Bivatent —_[Tetophase [Diplotene [S-Phase! (4) [Bivalent__[Telophase t | Diakinesis [Prophase i Which of the following accounts for the majority of water transport in plants? (1) Root pressure (2) Transpiration pull 8) Guttation (4) Plasmolysis Mark the odd one wrt. symbiotic bacteria. (1) Rhizobium 2) Frankia 8) Azotobacter (4) Both (1) and (2) How many generations of mitosis are required by a somatic cell to produce 65 calls? 64 (2) 65 @6 a) 7 @ 113, 114, 116. 16. 417, 18, GG _Phase-| Tost-3 (Code-A) Mark the incorrect statement wrt. uptake of mineral ions, (1) Minerals are present in soil as charged ions which cannot move across the cell membranes 2) Ions are absorbed from the soil by both active and passive transport Concentration of minerals in roots is usually higher than soil 3) All the minerals are passively absorbed by the roots (4) If an egg of an organism has 20 pg of DNA and 10 chromosomes in its nucieus What is the amount of DNA and number of chromosomes in a diploid meiocyte of same ‘organism in G, phase? (1) 80 pg, 20 chromosomes (2) 40 pg, 20 chromosomes (@) 40 pg, 40 chromosomes (4) 80 pg, 40 chromosomes: Identify the structures present in plants that help in gaseous exchange. (1) Lenticels only ) Hydathodes only ) Stomata only (4) Both (1) and (3) Read-the following statements w.r.t. passive absorption of water and mark the incorrect ones. Rate of absorption is low Negative pressure is developed in xylem It is symptastic ‘Accounts for only 4% of water uptake Transpiration pull plays @ major role (1) All except b 2) All except d and e @ acandd () bande Identity the mismatched pair. (1) Mg? — RuBisCO @) Fe Cotalase ( Zr —~ Alcohol dehydrogenase (@) Mn? PEPcase ‘What isthe first stable product of N, fixation? (1) Nox @) Nox @) NH, @N a b. ° 4 e GC _Phase-| Test-3 (Code-A) 119, 120. 421 122, 123, 124, 126. Mycorshiza is symbiotic association between (@)__ and _(b)__ @) 0) (1) [Fangos Aiga (2) [Alga Roots of plants (8) [Fungas Roots of planis (4) [Slime moutds [Fungal hyphae Division of _ (a) and __(b) _ cells of the root leads to the formation of nodule. @) ©) (1) Cortical Epidermal (2) Root hair Pericycle (8) Epidermal Pericycle (4) Pericycle Cortical How many ATP molecules are required for synthesis of 4 NH, molecules during N, fixation? (1) 16 2) 32 8) 64 (4) 48 (Only symplastic pathway of water movement is seen in Of the root. a. Endodermis . Casparian strip ©. Cortex 4. Pericycle (1) aandb 2) bandc (@) candd (@) aandd 50 ~ 97% of the total transpiration occurs through (1) Lenticles 2) Stomata (3) Cuticle (4) Bark Choose the factors that affects osmotic pressure, a Concentration of solute particles b. Temperature 6c. lonisation of solute particles (1) All except ¢ @) abande (@) Only a and c (4) Only b Osmosis differs from imbibition as the former (1) Does not require semi-permeable membrane (2) Requires presence of colloidal partictes (3) 1s associated with the formetion of solution (4) Produces heat during the movement of solvent (19) 126. 427. 128. 129. 120, 134 Crash Course for NET - 2018 Intrameiotic interphase is the phase between ®) and (8) (A) (8) (1) [Telophase | | Prophase II (2) |[Prophase l_| Telophase ll (3) [Tetophase | [Telophase Il (4) |Prophase_[Prophase I All are true w.r.t. significance of equational division, except “ 2 It maintains the size of the cell It is @ mechanism for replacing old dead and worn out cells by new cells 8) (4) It produces new cells for healing the wounds It provides a chance for the formation of new ‘combinations of chromosomes How many cycles of nuclear division and DNA replication, respectively are involved in a meiotic, division which leads to the formation of four haploid cells? 1) 22 2) 2,1 B11 (4) 1,2 Statement A : Shape of chromosomes is best studied at metaphase stage. Statement B : Cytokinesis marks the end of cell division, (1) Only statement A is incorrect (2) Only statement B is incorrect @) Both statements A and B are Incorrect (4) Both statements A and B are correct Read the statements given below and choose the true (T) and false (F) statements, a. There is no spindle formation in amitotc division. b. No distinct chromosomes formation occurs during binary fission, , At the end of telophase I, chromosome number is reduced to halt. (1) aT), BIF), oT) (2) a(F), BT), oT) (3) A(T), B(T), oT) (4) a(F), BIT), o(F) Which of the following statement is not true for karyokinesis? (1) Involves division of nucleus during meiosis (2) Involves division of cytoplasm during meiosis (3) Itis usually followed by cytokinesis (4) Stages such as prophese, metaphase, anaphase and telophase are present in karyokinesis ——— oN te CC_Phase-|_Test-3 (Code-A) Crash Course for NEET -2018 132 133, 126, 197. 138, 139, Identify the stage which is known as spireme stage. (1) Anaphase of mitosis 2) Metaphase Il of meiosis (3) Telophase | of meiosis (4) Prophase of mitosis For a solution at atmospheric pressure, chemical potential of water is equal to (1) Pressure potential (2) Hydrostatic pressure of a solution (3) Solute potential (4) Osmotic pressure 134, 1286. Select the critical elements for plants? NP, Cl, Mg, K, Ca (@) Cl, Mg, Cal (2) Ca, Mg, N @NPK (4) PCa, K The deficiency of mineral element and respectively causes a, Accumulation of anthocyanin, and b. Grey spots in oats. (a) (b) 1) Zine tron @) Magnesium Potassium @) Boron Calcium (4) Sulphur Manganese Choose the correct statement for diaphragm. (1) Its contraction increases intrapulmonary pressure during inspiration (2) Itis dome-shaped sheet of smooth muscle that is not ever under the control of our will and it separates the thoracic cavity from abdominal cavity Its relaxation increases the thoracic volume in. dorso-ventral axis 8 (4) 1s innervated by phrenic nerve What is the maximum amount of air a person can breathe out after a normal inspiration? (1) ERV+ IRV+ TV @) ERV+ RV (@) ERV + FRC (4 ERV+TV During internal respiration at the tissue level (under normal resting conditions) (1), 75% of O, dissociates from oxyhernogiobin (2) Haldane effect favours formation of carbon dioxide. 5 mL of oxygen Is delivered by 100 mL of arterial blood to the tissue @) (4) Bohr’s effect favours the oxygenation of ‘hemoglobin Which of the following is main factor determining percentage saturation of hemoglobin to form Ho0,? (1) pO, of the blood 2) pCO, of the blood @) PN, of the blood (4) Temperature and pco, ay 140. 141, 142, 143, All of the following statement are correct except (1) Fetal hemoglobin has lower Pg, value than adult hemoglobin Carbonic anhydrase speeds up the formation of H,CO, in the RBC At alveoli, HCO; ions move into the RBCs and Cr ions move out of the cell by active process @ 8 (4) Deoxygenated Hb has greater affinity for H* than oxygenated Hb The regulatory component of Pons consists of which of the following’? a b c. ct Dorsal respiratory group Apneustic center Ventral respiratory group Pneumotaxic center (1) a only 2) bonly (@) band donly (4) band c only Which of the following has most powerful effect on the regulatory component of CNS in context of respiration? (1) Decreased 0, ) increased 0, 2) Increased H" (4) Increased pH Collapse of lungs during normal expiration is prevented by (1), Surfactant like phospholipids secreted by type 1 alveolar cells Cartilaginous rings in trachea Negative thoracie pressure @ @ (4) Positive thoracic pressure <== ene CC_Phase-l_Test-3 (Code-A) 14a, 145. 146: 147, 148. 149. 160. Cells present in maximum number per-unit volume of blood are (1) Neutrophils (2) Basophils () RBCS (4) WBCs Function of lymphatic system is (1) Production of blood (2) Transport of nutrients and hormones rich tissue fiuid into the venous blood stream (3) Transport of ©, to the tissue in oxyhemoglobin form (4) Transport of CO, from tissue to the blood in carbaminohemagiobin form Choose the correct match Column t Column It (Structure) {Drains into) (1) Thoracic duct Right subclavian vein (2) Hepatic vein ‘Superior vena cava (8) Hepatic portal vein Kidney (4) Renal vein Inferior vena cava ‘Among the following conducting tissues of heart which one has lowest conductive velocity? (1) Atrial pathways 2) SAnode (3) Bundle of His (4) Purkinje fibres Choose the false statement. (1) During joint diastole, all the four valves of heart remain open Maximum filing of ventricles ocours during joint diastole Closure of AV valves produces first heart sound during the initial phase of ventricular systole @) @ (4) 30 percent of ventricular filling occurs during atrial systole ‘Sympathetic nervous system increases the cardiac ‘output during exercise by (1) Decreasing strength of ventricular contraction (2) Increasing duration of cardiac cycle (@) Decreasing venous retum to the heart (4) Increasing heart rate and stroke volume Vessels of blood vascular system that contain maximum percentage of blood are (1) Capillaries (2) Aorta (@) Veins (4) Artery (12) 151 152. 183, 154. 165. 168. Crash Course for NEET - 2018 Pemicious anemia is most commonly caused by, inability to absorb ingested from the digestive tract, (1) Vitamin By. 2) Retinoic acid @) Fee (4) Vitamin D, Inability of serum to clot is due to (1) Presence of more WBCs @) Presence of more RBCs (@) Presence of immunogiobutins @) Lack of fibrinogen When the blood pressure increases beyond normal physiological value, then myogenic mechanism of autoregulation in the kidney restores the GFR by (1) Dilating the afferent arteriole (2) Consiticting the afferent arteriole (2) Constricting the efferent arteriole (4) Increasing angiotensin formation in the blood Which of the following does not occur during operation of Renin-Angiotensin-Aldosterone system? (1), Juxteglomerular cells release renin as required (2) Angiotensin Ii causes increase in B.P 3) Angiotensin Il increases release of aldosterone from adrenal cortex (4). Angiotensin | is formed in alveolar cells of lungs by angiotensin converting enzyme The plasma concentration at which the tubular maxima of a particular substance is reached and the substance starts appearing in urine is called its renal threshold, The renal threshold value of glucose in humans is (1) 100 mg/100 mi (2) 180 mg/100 mi (3) 180 mg/100 mi (4) 50-125 mgi100 mi Micturtion involves (1) Relaxation of urinary bladder, internal and extemal urethral sphincter Contraction of urinary bladder and relaxation of ‘extemal and internal urethral sphincter 2) () Contraction of urinary bladder and contraction of extemal and internal urethral sphincter (4) Dominance of sympathetic nervous system over parasympathetic nervous system Crash Course for NEET - 2018 187. Active reabsorption of Na* does not occur in (1) Per (2) Descending limb of oop of Henle (@) Ascending limb of loop of Henle (4) Cortical part of collecting duct Which of the following does not occur during ‘counter-current mechanism in kidney? (1) Active secretion of NaCl from thick segment of ascending limb of loop of Henle into interstitial fluid Absorption of NaCl by descending limb of vasa recta 158, Q (3) Absorption of water and release of extra NaCl by ascending limb of vasa recia Absorption of water and release of NaCl from descending limb of loop of Henle @ 159, Lung congestion leading to state of heart such that heart does not pump biaod effectively to meet needs of the body is (1) Cardiac arrest 2) Atherosclerosis (3) Heart faliure (4) Heart attack 160. Asthma does not involve (1) Destruction of alveolar walls @) Inflammation of bronchiotar walls (3) Release of histamine from mast cells causing bronchoconstriction (4) Release of histemine from mast cells causing the vasodilation of capillaries Less than 1% of the whole blood is constituted by (1) Plasma 2) White blood cells and platelets (3) Red blood cells (4) Plasma proteins Serum of individuals with bombay biood group have all except (1) Anti A antibody (2) Anti 8 antibody (3) Anti Hi antibody (4) Antigen A and antigen B Muscles thet contract during forceful expiration is/are (1) Internat intercostal muscles (2) External intercostal muscles (3) Abdominal muscles (4) Both (1) and (3) 161 162 163, (13) CC_Phase-| Test-3 (Code-A) 164, Blood vessel carying lowest amount of urea is (1) Hepatic vein (2) Hepatic artery @) Renal artery (4) Renal vein 165, Reabsorption of which of the following substances is linked in some way to Na” reabsorption? (1) Glucose @) HO @ or (4) All of these 166, On an average of urea Is excreted out per day. (1) 25:30 gm (2) 40-60 gm 8) 5-40 mn (@) 100-150 gm 467. In a normal healthy person, glomerular fitrate does not have (1) Water 2 0, (@) RBCs (4) Urea 168. Pulmonary volume or capacity that cannot be measured directly by spirometer is/are ay wv 2) FRO @ RV (4) Both (2) and (3) 169. Partial pressure of CO, in deoxygenated blood is (1) 40 mm of Hg Q) 45 mm of Hg @) 104 mm of Ha (4) 95 mm of Hg 170, Factor(s) responsible for association of CO, with Hb in tissues (1) Low pO, 2) High pco,, (8) Both (1) and (2) (4) High pN, 171, Unpaired carttage of larynx is (1) Thyroid 2} Arytenoid 8) Comiculate (4) Cuneiform 172, Urea cycle in human occurs primarily in (1) Intestine 2) Ler @) Kidney (4) Brain 173, Peritubular capillaries are the extensions of (1) Afferent arteriole @) Mesenteric artery 2) Efferent arteriole (4) Renal vein tne CC_Phase-| Test:3 (Code-A) 174, 176. 176. 477. Dialysate lacks a) 2) ® (4) Water Component absent in uring of a healthy human is Urea Nat Glucose (1) Glucose Q) Urea 3) Creatinine (4) Uric acid In which siructure/organ does erythropoiesis start in embryonic life? (1) Spleen (2) Kidney @) Red bone marrow (4) Yok sac In an adult healthy human, how much haemoglobin, is present per 100 ml of blood? (1) 12-46 gm (2) 26-30 gm @) 8-10 gm (4) 20-24 gm a Qa (14) 178. 179. 180. a Crash Course for NET - 2018 Mark the option that indicates correct route of cardiac impulse. (1) AV node —> SA node —» Purkinje fibres —~ bundle of His» ventricular muscles (2) SA node —» Purkinje fibres —> bundle of His —-» AV node —+ ventricular muscles (3) SA node —» AV node —> bundle of His —+ Purkinje fibres ventricular muscles (4) AV node —-> bundle of His —> SA node —> Purkinje fibres —-> ventricular muscles Read the two statements regarding human blood circulatory system and mark the correct option a. CAD is caused by deposits of Ca"®, cholesterol and fibrous tissue. b. Angina is acute chest pain that occurs when not enough oxygen is reaching the heart muscle. (2) Only b is correct (3) a& bare incorrect (4) Only b is incorrect Structure called pacemaker is present in which part of human heart? (1) Left atrium (9) Right ventricle (1) 28 bare correct (2) Right atrium (4) Left ventricle (09/04/2018 MM : 729 1 2 4 a) 4) 5. @) 6 2 & 8) a 1) 10 @) 1. @ 12. 2) 13. (4) 27. (3) 29. @) 30. (4) 31.) 32 @) 33. @) 34. (2) 36. 2) 36. 4) , Cfash Course for NEET - 2018 ® Aakash Medical| IIT-JEE| Foundations eens PL (Ovsensctka hate ¢_Phase Test-3 (Code-A) (CC_Phaso -1 Code -A Regd. Office : Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph.: 011-47623456 Grash Course for NEET - 2018 Test -3 37. 38, 39, 44 42 48. 45, 46. 47. 49. 50. 51 52, 53, 54, 55, 87. 58, 59, 60, 61 62, 63, 65. 67. 68. 69, 70. n (4) (4) (a) (a) °@) a) (2) (1) (2) (4) (2) a) @) @) @) @) @) (2) @) 4) @) (ay @ 100. 102 103, 104, 106. 107. 108. 4) (3) @ @) @) @) (4) 2) 3) (2) (1) @) @) (2) (3) 3) @) 4) (18) 136, 198. 139, 140. 141. 142, 143. 144, (4) 2) @) @) @) (1) a) @) (4) @) . 8) 4) 2) @) (2) (2) 3) a (4) (2) () 3) (2) @ @) @ @) 4) (4) 8) (1) (3) (3) (2) (3) @) Time: 146: 146 147, 148. 149. 160. 151 182. 163. 155. 156. 157. 158. 159. 161 162 163. 164. 165. 166, 167. 169. 170. 1m 172, 173. 174, 175. 176 477. 178. 179. 3:00 Hrs. @) (a) (2) (1) 4) (3) a) (4) @ @ (3) @ @ (4) 3) a (2) @) @ @) a 8 (4) 2) (ty i) (a) 0) 4) (ty ) (2)

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