D.El.ED Entrance Science Questions – PET Download Science questions

Q1. Anemometer is an instrument meant for measuring __________ .
(a) temperature
(b) air masses
(c) wind speed
(d) none

Q2.Goitre is caused by the deficiency of ___________
(a) Zinc
(b) Calcium
(c) Iodine
(d) Chlorine

Q3.Silver gets corroded due to ________________ in air.
(a) Oxygen
(b) Hydrogen Sulphide
(c) Carbon dioxide
(d) Nitrogen

Q4. Formic acid is produced by __________ .
(a) White ants
(b) Cockroaches
(c) Red ants
(d) Mosquitoes

Q5. Which of the following is a radioactive element?
(a) Cobalt
(b) Uranium
(c) Argon
(d) Chromium

Q6. Which of the digestive organs contains acid?
(a) Stomach
(b) Small intestine
(c) Appendix
(d) Colon

Q7.The chemical that is used to ripen mangoes is—
(a) Calcium sulphide
(b) Calcium carbide
(c) Calcium carbonate
(d) Calcium chloride

Q8. Which of the following fibres is considered as the strongest natural fibre?
(a) Cotton
(b) Jute
(c) Wool
(d) Silk

Q9. Which mosquito is the carrier of Zika virus?
(a) Culex
(b) Aedes
(c) Anopheles
(d) Culiseta

Q10. Purpose of an optical filter is to : ________
(a) reflect lights of different colours
(b) dispense light into component colours
(c) refract light of different colours
(d) transmit or absorb light of different colours

Q11. Silica gel is a—
(a) moisturizer
(b) flavouring agent
(c) drying agent
(d) delicious food

Q12.Preservation of historical articles is done in science of ________________
(a) Iconography
(b) Numismatic
(c) Museology
(d) Epigraphy

Q13. Biofertilizers convert nitrogen to _________ .
(a) nitrates
(b) ammonia
(c) nitrogenase
(d) amino acids

Q14.Which instrument is used for photographing the Sun?
(a) Galvanometer
(b) Potentiometer
(c) Spectrophotometer
(d) Spectroheliograph

Q15. Silk worms feed on—
(a) Basil leaves
(b) Curry leaves
(c) Rose leaves
(d) Mulberry leaves

Solutions


S1. Ans.(c)
S2. Ans.(c)
S3. Ans.(b)
S4. Ans.(c)
S5. Ans.(b)
S6. Ans.(a)
S7. Ans.(b)
S8. Ans.(d)
S9. Ans.(b)
S10. Ans.(d)
S11. Ans.(c)
S12. Ans.(c)
S13. Ans.(b) 
S14. Ans.(d) 
S15. Ans.(d)