1. For a p-n junction, electricity change has been observed for potential difference. What is the resistance of that junction? 5 mA 0.2 V
A. 40 ΩB. 50 ΩC. 10 ΩD. 45 Ω R = E I = 40Ω
Live
Varsity KA Admission Model Test 46
100 questions • 60 minutes • Each correct answer carries +1 mark. Each wrong answer deducts 0.25 mark.
Exam Overview
Total Questions
100 MCQ
Duration
60 minutes
Total Marks
100
Negative Marking
-0.25
Subject-wise Distribution
| General Science | 50 |
| Chemistry | 16 |
| Physics | 14 |
| Biology | 14 |
| English | 5 |
| Mathematics | 1 |
Question Pattern Preview
2. The correct order for ionization energy is-
A. N > O > F > NeB. Ne > F > N > OC. O > F > N > NeD. Ne > F > O > N N (2p3) Ne > F > N > O
3. If specific gravity of 30% (v/V) Hydrochloric acid 1.2 then how much HCl is in 2 mL volume?
A. 1.5gB. 1.2gC. 0.15gD. 0.72g 30 100 × 2 mL HCl = 0.6 mL HCl 0.6 mL HCl = 1.2 × 0.6 gm HCl = 0.72g HCl
4. When the right atrium extends, blood enriched of carbon dioxide from the front of the body returns to which atrium through the superior venacava?
A. Right atriumB. Right ventricleC. Left atriumD. Left ventricle
5. Anti-malarial drug is produced from the bark of which plant?
A. ChloroquineB. CinchonaC. LichenD. Ephedra
6. If the volume of certain amount of gas is made half and temperature is made twice then its pressure-
A. Will be halfB. Will be one fourthC. Will be four timesD. Will remain unchanged P1V1 T1 = P2V2 T2 ⇒ P2 = P1T2V1 V2T1 = P1 × 2 × 2 = 4P1