Ashwin 22 Sept to 14 October
| S.No | Date | Subject | Question | Options |
|---|---|---|---|---|
| 14 October 2026 | ||||
| 1 | 14 Oct 2026 | Physics | Two moles of a monoatomic ideal gas are heated at constant volume through 50 K. Taking R = 8.3 J mol⁻¹K⁻¹, the heat supplied is approximately: | A) 415 J B) 830 J C) 1245 J D) 1660 J |
| 2 | 14 Oct 2026 | Physics | A gas releases 250 J of heat while 100 J of work is done on it. The change in internal energy is: | A) −350 J B) −150 J C) +150 J D) +350 J |
| 3 | 14 Oct 2026 | Physics | One mole of a monoatomic ideal gas is heated at constant volume through 100 K. Taking R = 8.3 J mol⁻¹K⁻¹, the increase in internal energy is approximately: | A) 415 J B) 830 J C) 1245 J D) 2490 J |
| 4 | 14 Oct 2026 | Physics | In an adiabatic process, the internal energy of an ideal gas decreases by 450 J. The work done by the gas is: | A) −450 J B) Zero C) +450 J D) +900 J |
| 5 | 14 Oct 2026 | Physics | Which statement follows from Joule's law for an ideal gas? | A) Internal energy is a function of pressure alone B) Internal energy is a function of volume alone C) Internal energy depends only on temperature D) Internal energy remains constant in every process |
| 6 | 14 Oct 2026 | Physics | A gas undergoes adiabatic compression. The work done on the gas is 250 J. The change in internal energy is: | A) −250 J B) Zero C) +250 J D) +500 J |
| 7 | 14 Oct 2026 | Physics | A gas completes a cyclic process and the total work done by it is −250 J. The net heat exchanged during the cycle is: | A) +250 J B) −250 J C) Zero D) +500 J |
| 8 | 14 Oct 2026 | Physics | One mole of a monoatomic ideal gas is heated at constant volume from 200 K to 400 K. Taking R = 8.3 J mol⁻¹K⁻¹, the increase in internal energy is: | A) 830 J B) 1245 J C) 1660 J D) 2490 J |
| 9 | 14 Oct 2026 | Physics | An ideal gas absorbs 400 J of heat and performs 100 J of work. If its initial internal energy is 900 J, its final internal energy is: | A) 500 J B) 900 J C) 1200 J D) 1300 J |
| 10 | 14 Oct 2026 | Physics | A system completes a cycle with net heat absorbed of 750 J. Which statement is correct? | A) Its internal energy increases by 750 J B) Its internal energy decreases by 750 J C) The net work done by the system is 750 J D) The net work done on the system is 750 J |
| 11 | 14 Oct 2026 | Physics | An ideal gas undergoes an adiabatic process in which the work done by the gas is 320 J. If its initial internal energy is 1500 J, its final internal energy is: | A) 1180 J B) 1500 J C) 1820 J D) 2140 J |
| 10 October 2026 | ||||
| 12 | 10 Oct 2026 | Biology | Which statement about bacterial flagella is correct? | A) Every bacterium has a single flagellum B) The filament is the basal anchoring portion C) The basal body helps anchor the flagellum D) Flagella are composed primarily of cellulose |
| 13 | 10 Oct 2026 | Physics | A 20 g ice cube at 0°C melts completely and the resulting water is heated to 20°C. Given Lf = 3.36×10⁵ J kg⁻¹ and cw = 4200 J kg⁻¹K⁻¹, the total heat absorbed is: | A) 6,720 J B) 7,560 J C) 8,400 J D) 10,080 J |
| 2 October 2026 | ||||
| 14 | 2 Oct 2026 | Biology | Which statement is correct? | A) Oxygen is continuously consumed by alveolar epithelial cells B) Alveolar air is humidified and mixes with residual air C) Oxygen diffuses actively from alveoli into blood D) Carbon dioxide completely displaces oxygen in alveoli |
| 1 October 2026 | ||||
| 15 | 1 Oct 2026 | Biology | Adult echinoderms generally exhibit radial symmetry, whereas their larvae exhibit bilateral symmetry. This condition is termed: | A) Metamerism B) Secondary radial symmetry C) Pseudocoelom D) Cephalisation |
| 16 | 1 Oct 2026 | Biology | The characteristic cell wall component of fungi is: | A) Cellulose only B) Peptidoglycan C) Chitin D) Silica |
| 29 September 2026 | ||||
| 17 | 29 Sept 2026 | Chemistry | Which molecule has a linear geometry despite having lone pairs on the central atom? | A) H₂O B) NH₃ C) XeF₂ D) SO₂ |
| 18 | 29 Sept 2026 | Biology | Which of the following is correctly matched? | A) Diatoms — Silica-rich cell wall B) Euglenoids — Chitinous cell wall C) Dinoflagellates — Cellulose-free protein wall in all species D) Slime moulds — Prokaryotic organisation |
| 22 September 2026 | ||||
| 19 | 22 Sept 2026 | Biology | Which blood vessel type generally has the greatest total cross-sectional area in the circulatory system? | A) Aorta B) Arteries C) Capillaries D) Vena cava |
| 20 | 22 Sept 2026 | Biology | The hepatic portal system is characterized by blood flowing: | A) Directly from liver to heart without passing through another capillary bed B) From one capillary bed to another through a portal vessel C) From heart to lungs and back to heart D) From arteries directly into lymphatic vessels |
| 21 | 22 Sept 2026 | Chemistry | Which molecule has the greatest bond angle among the following? | A) H₂O B) NH₃ C) CH₄ D) CO₂ |
| ANSWERS | ||||
| 1-C 2-B 3-C 4-C 5-C 6-C 7-B 8-D 9-C 10-C 11-A 12-C 13-C 14-B 15-B 16-C 17-C 18-A 19-C 20-B 21-D |
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