ETEA MDCAT Past Paper 2019 41- A pure breeding tall plant was crossed to dwarf plant. What would be the probability of "Tt" genotype in F₂? A. 0B. 0.25C. 0.5D. 0.75 View Answer Answer : C. 0.5 Description 42- The number of human spinal nerves is? A. 60B. 62C. 64D. 66 View Answer Answer : B. 62 Description 43- Diphtheria vaccines is an example of: A. Inactivated vaccineB. toxoid vaccineC. subunit vaccineD. live, attenuated vaccine View Answer Answer : B. toxoid vaccine Description 44- Which one of the following items gives its correct total number? A. Cervical vertebrae – 7B. floating ribs in human – 3C. auditory ossicles – 8D. cranium bones – 4 View Answer Answer : A. Cervical vertebrae - 7 Description 45- Find mismatch? A. Thyroid gland-T3 and T4B. Parathyroid gland-CalcitoninC. Pancreas-InsulinD. Gonads-Testes and ovaries View Answer Answer : B. Parathyroid gland-Calcitonin Description 46- The simplest form of learning is? A. ImprintingB. Insight learningC. Latent learningD. Habituation View Answer Answer : D. Habituation Description 47- To the end of the first trimesters the embryo can now technically describe as a? A. ZygoteB. InfantC. ToddlerD. Fetus View Answer Answer : D. Fetus Description 48- How many pairs of homologous chromosomes are present in Pisum sativum: A. Seven pairsB. Eight pairsC. Nine pairsD. Ten pairs View Answer Answer : A. Seven pairs Description 49- Sorry she can’t come to the phone. She _____ a bath! A. Is havingB. havingC. haveD. has View Answer Answer : A. Is having Description 50- Choose the word nearest in meaning to “ENIGMA” A. EvaluationB. puzzleC. answerD. account View Answer Answer : B. puzzle Description 51- When zinc electrode is coupled with copper electrode in a galvanic cell: A. Reduction takes place at zinc electrodeB. Oxidation takes place at copper electrodeC. Reduction takes place at copper electrodeD. Both Reduction takes place at zinc electrode and Oxidation takes place at copper electrode View Answer Answer : C. Reduction takes place at copper electrode Description 52- Ozone layer in upper atmosphere is being destroyed by: A. ChlorofluorocarbonB. freonC. SmogD. Both A and B View Answer Answer : D. Both A and B Description 53- In the complex, potassium hexacyanoferrate (III). K₃[Fe(CN)₆], the coordination of the Fe is? A. 3B. 5C. 6D. 9 View Answer Answer : C. 6 Description 54- The compound which has the higher boiling point in the following is: A. Methyl chlorideB. Methyl iodideC. Methyl bromideD. Both A and B View Answer Answer : B. Methyl iodide Description 55- Which one of the following is addition polymer: A. PVCB. NylonC. PolytheneD. Both PVC and Polythene View Answer Answer : D. Both PVC and Polythene Description 56- Photochemical smog is primarily caused by? A. O₃B. NO₂C. SO₃D. CO₂ View Answer Answer : B. NO₂ Description 57- Which one of the following physical quantity does not the dimension of force per unit area? A. StressB. StrainC. Young modulusD. Pressure View Answer Answer : B. Strain Description 58- In the case of germanium, the value of potential barrier develops across the depletion region is: A. 0VB. 0.3VC. 0.7VD. 0.9V View Answer Answer : B. 0.3V Description 59- Electron microscope makes practical use of? A. Particle nature of electronB. Wave nature of electronC. Dual nature of electronD. None of the above View Answer Answer : B. Wave nature of electron Description 60- Projectile is thrown in such a way that its maximum height equals to its range, the angle of projection is: A. Tan⁻¹ (45)B. Tan⁻¹ (60)C. Tan⁻¹ (30)D. None of these View Answer Answer : A. Tan⁻¹ (45) Description 1 2 3 4 5 6 7 8 9 10
