NEET Practice Test-13A_TYM(P1)-2025 PDF

## **MM: 240** ## **28/12/2023** ## **Time: 60 min** ## **Aakash by BYJU'S** ## **Corporate Office:** Aakash Tower, 8, Pusa Road, New Delhi-110005. ## **Ph. 011-47623456** ## **Practice Test-13A_TYM(P1)-2025** ## **Code-A Ph** ## **Topics Covered:** **Physics:** - Thermal Properties of Matter, Therm...

## **MM: 240** ## **28/12/2023** ## **Time: 60 min** ## **Aakash by BYJU'S** ## **Corporate Office:** Aakash Tower, 8, Pusa Road, New Delhi-110005. ## **Ph. 011-47623456** ## **Practice Test-13A_TYM(P1)-2025** ## **Code-A Ph** ## **Topics Covered:** **Physics:** - Thermal Properties of Matter, Thermodynamics **Chemistry:** - Organic Chemistry: Some Basic Principles & Techniques **Botany:** - Plant Growth and Development * Growth, differentiation and development * Growth characteristics, phases of growth, growth curve, growth rates arithmetic growth and geometric growth, Absolute growth rate and relative growth rate. * Differentiation, Dedifferentiation and Redifferentiation, Definition with examples, Development - Definition, factors regulating it, plasticity * Growth hormones: Auxins, Gibberellins.. **Zoology:** - Animal Kingdom - Non Chordates-II: Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordaja ## **General Instructions:** ### **Instructions:** 1. Use blue/black pen only to darken the appropriate circle. 2. Mark only one circle for each entry. 3. Darken the circle completely. 4. Darken the circle in the space provided only. 5. Rough work must not be done on the Answer sheet and do not white-fluid or any other rubbing material on Answer sheet. 6. Each question carries 4 marks. For every wrong response, 1 mark shall be deducted from the total score. ## **Physics** 1. If reflectance and transmittance of a body are 0.4 and 0.3, then its absorptance will be: * (1) 0.3 * (2) 0.5 * (3) 0.25 * (4) 1 2. On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are 39°W and 239°W respectively. What will be the temperature on the new scale corresponding to a temperature of 39°C on the Celsius scale? * (1) 139°W * (2) 78°W * (3) 117°W * (4) 200°W 3. The correct value of 0°C on the Kelvin scale is: * (1) 273.15 K * (2) 272.85 K * (3) 273 K * (4) 273.2 K 4. A spherical black body emits radiation with power P when its temperature is T. The radiation emitted by another black body of the same material but of double the radius and half of the temperature as the initial one, will have power: * (1) 2P * (2) 2P * (3) 1/4 P * (4) 1/8 P 5. The heat capacity of a body is 40 cal/°C. Its water equivalent is: * (1) 20 g * (2) 40 g * (3) 80 g * (4) 60 g 6. Liquid A and B are at 40°C and 20°C when mixed in equal masses. Their specific heats are in the ratio of 3:2, find the temperature of the mixture: * (1) 24°C * (2) 29°C * (3) 32°C * (4) 36°C 7. A body kept in a room and it cools from 80°C to 70°C in T₁ minute, from 70°C to 60°C in T₂ minutes, and from 60°C to 50°C in T₃ minutes, then: * (1) T₁ > T₂ > T₃ * (2) T₁ < T₂ < T₃ * (3) T₁ = T₂ = T₃ * (4) T₁ < T₂ > T₃ 8. A rod of length 4 m having cross-sectional area 0.50 m² has heat flow at the rate of 1000 J/s. If the temperatures of two ends A and B of the rod is 100°C and 20°C respectively, then the temperature of a point C which is 2 m from the end A is: * (1) 60°C * (2) 40°C * (3) 80°C * (4) 90°C 9. **Assertion (A):** Stainless steel cooking pans are preferred with extra copper base. **Reason (R):** Thermal conductivity of copper is more than steel so the heating is fast * (1) Both Assertion & Reason are true and the reason is the correct explanation of the assertion. * (2) Both Assertion & Reason are true but the reason is not the correct explanation of the assertion. * (3) Assertion is true statement but Reason is false. * (4) Both Assertion and Reason are false statements. 10. The ratio of radii of two solid spheres made of the same material is 1:3. The ratio of their heat capacity will be: * (1) 1:1 * (2) 1:27 * (3) 3:1 * (4) 9:1 11. A bimetallic strip has two different metal bars 1 and 2 welded parallel to their length. Given thermal coefficient of linear expansion α₁ and α₂ (α₁ > α₂) and length of bars is the same. Upon cooling, the strip will bend with: * (1) Remains straight * (2) Concave on side 1 * (3) Convex on side 1 * (4) Any of the above is possible 12. The temperature at which centigrade and fahrenheit gives the same reading is: * (1) 233.15 K * (2) 40 K * (3) 98 K * (4) -30°C 13. Which of the following cannot be used as a thermometric property? * (1) Pressure of gas at constant volume * (2) Volume of gas at constant pressure * (3) Pressure of gas at constant temperature * (4) Resistance of a given platinum wire 14. The coefficient of linear expansion of a substance along three mutually perpendicular directions are 4 x 10⁻⁵/°C, 5 x 10⁻⁵/°C and 6 x 10⁻⁵/°C. The coefficient of cubical expansion of the substance is: * (1) 1 x 10⁻⁴ /°C * (2) 10 x 10⁻⁵ /°C * (3) 15 x 10⁻⁵ /°C * (4) 1000 x 10⁻⁵ /°C 15. The volume of a block of a metal changes by 0.6%, when it is heated through 10°C. The coefficient of linear expansion of the metal is: * (1) 4 x 10⁻⁵ /°C * (2) 2 x 10⁻⁶ /°C * (3) 4 x 10⁻⁶ /°C * (4) 2 x 10⁻⁴ /°C ## **Chemistry** 16. Which of the following species, incorrect direction of Inductive effect is shown? * (1) ``` CH₃ CH₂ ``` * (2) ``` CH₂ C-OH ``` * (3) ``` O C ``` * (4) ``` H₃C CH₂-CH₂ ``` 17. Ca method is used to detect: * (1) Br * (2) Cl * (3) N * (4) H 18. Which is the most stable free radical: * (1) (CH₃)₂CH. * (2) (CH₃)₃C. * (3) CH₂=CH-CH₂ * (4) CH₃-CH₂-CH₂ 19. Which of the following pairs of compounds are metamers of each other? * (1) ``` OH and ``` * (2) ``` H and ``` * (3) ``` C and ``` * (4) ``` O and ``` ## **Botany** 20. Which meristem helps in increasing the girth of the plant? * (1) Shoot apical meristem * (2) Lateral meristem * (3) Root apical meristem * (4) Intercalary meristem 21. Typical growth curve in plants is: * (1) Parabolic * (2) Hyperbolic * (3) Linear * (4) Sigmoid 22. Root elongating at a constant rate shows: * (1) Arithmetic growth * (2) Geometric growth * (3) Discontinuous growth * (4) Exponential growth 23. In the geometric growth equation, W₁ = Woe, 'e' is: * (1) Growth rate * (2) Time of growth * (3) Base of natural logarithm * (4) Initial size 24. Most intensively studied form of gibberellins is: * (1) GA₁ * (2) GA₂ * (3) GA₃ * (4) GA₄ 25. Which of the following plant hormones is responsible for apical dominance and xylem differentiation? * (1) ABA * (2) Gibberellin * (3) Ethylene * (4) Auxin 26. Plant hormone that can be used to improve the shape of apples and to increase the length of grape stalks is: * (1) Cytokinin * (2) Auxin * (3) Gibberellin * (4) Ethylene 27. Increased vacuolation is a feature of cells of which of the following growth phases in plants? * (1) Phase of cell division * (2) Phase of elongation * (3) Phase of differentiation * (4) Phase of maturation 28. Select the incorrect statement w.r.t. growth: * (1) It is an irreversible permanent increase in size of an organ. * (2) It is accompanied by metabolic processes. * (3) In living organisms, growth is from inside. * (4) In animals and plants, growth is seen only upto a certain age. 29. Correct the odd one w.r.t. synthetic auxins: * (1) 2,4-D * (2) IBA * (3) NAA * (4) 2,4,5-T 30. Which of the following is not a character of arithmetic growth: * (1) Constant growth rate * (2) Linear growth curve * (3) Presence of a stationary phase * (4) Commonly seen in root meristems 31. When the apical bud of a plant is removed then: * (1) Auxin shows apical dominance * (2) Cytokinin is removed along with auxin * (3) More lateral branches will be seen * (4) Root elonogation is promoted 32. To form tracheary element a very strong and elastic secondary cell wall develops, which is: * (1) Cellulosic only * (2) Pectin containing * (3) Chitinous * (4) Lignosic 33. Which of the following plants does not show a difference in the shape of leaves at juvenile and mature stages of the plant? * (1) Buttercup * (2) Larkspur * (3) Cotton * (4) Coriander 34. The growth of a pollen tube is measured in terms of its: * (1) Surface area * (2) Volume * (3) Length * (4) Fresh weight ## **Zoology** 35. Which of the following is the second largest phylum in the animal kingdom? * (1) Arthropoda * (2) Echinodermata * (3) Mollusca * (4) Annelida 36. Which of the following features is not present in the organisms of phylum Annelida? * (1) Metamerism * (2) Nephridia * (3) Parapodia * (4) Jointed appendages 37. Which of the following is incorrect for sea cucumber? * (1) Belongs to phylum Echinodermata * (2) Triploblastic and coelomate * (3) Possess water canal system * (4) Undergoes external fertilisation 38. The space between the hump and mantle is called mantle cavity in molluscs and it contains: * (1) Feather-like gills * (2) Filament-like gills * (3) Chambered gills * (4) Bag-like gills 39. In … (1) …, digestive system is complete with mouth on … (2) … side and anus on the … (3) … side. Select the correct option that fills the blanks, respectively. * (1) Upper; lower * (2) Ventral; dorsal * (3) Dorsal; upper * (4) Dorsal; ventral 40. Open type circulatory system with chitinous exoskeleton is characteristically found in: * (1) Earthworm * (2) Cockroach * (3) Land snail * (4) Starfish 41. Statocyst present in prawn is responsible for: * (1) Balance * (2) Vision * (3) Taste * (4) Auditory response 42. Complete the analogy by choosing the correct option. Asterias: Star fish :: Antedon: * (1) Sea urchin * (2) Sea lily * (3) Sea cucumber * (4) Brittle star 43. Balanoglossus has a cylindrical body which is divided into: * (1) Head, muscular foot and visceral hump * (2) Proboscis, collar and foot * (3) Head, thorax and abdomen * (4) Proboscis, collar and trunk 44. Which of the following serves the function of excretion in Balanoglossus? * (1) Fat body * (2) Proboscis gland * (3) Uricose glands * (4) Nephrocytes 45. Molluscs are: * (1) Radially symmetrical * (2) Acoelomate * (3) Unsegmented * (4) Diploblastic 46. Which of the following is not a characteristic feature of Hirudinaria? * (1) Presence of nephridia for excretion and osmoregulation * (2) Exhibits bilateral symmetry * (3) Acoelomate * (4) Triploblastic 47. Survival of arthropods on land is chiefly attributed to the presence of: * (1) Chitinous exoskeleton * (2) Open circulatory system * (3) Streamlined body * (4) Internal and external segmentation 48. Which of the following is a common character between Pheretima and Periplaneta? * (1) Both have red coloured blood * (2) Both possess chitinous exoskeleton * (3) Both have Malpighian tubules * (4) Both have segmented body