Q1.Which of the following was known as Aqua Fortis in ancient times?
(a)nitric acid
(b)sulphuric acid
(c)butyric acid
(d)hydrochloric acid
Q2.The sour taste of curd is due to the presence of which of the following constituents?
(a)acetic acid
(b)lactic acid
(c)formic acid
(d)citric acid
Q3.Nail polish remover contains
(a)benzene
(b)acetone
(c)petroleum
(d)acetic acid
Q4.By what name is Acetylsalicylic Acid better known?
(a)Vinegar
(b)Brine
(c)Saltpeter
(d)Aspirin
Q5. Birds which swim in water have –
(a) webbed feet
(b) broad wings
(c) long beaks
(d) toes with claws
Q6. The edible part of an onion is
(a) Modified root
(b) Aerial flower
(c) Aerial stem
(d) Fleshy leaves
Q7. Columbalivia domestica is the scientific name of
(a) Pigeon
(b) Snake
(c) Rabbit
(d) Shark
Q8. “Sodium Pump” operates in
(a) Muscle contraction
(b) Heart beat
(c) Nerve impulse
(d) None of the above
Q9. Which of the following is used as a moderator in nuclear reactors?
(a) Thorium
(b) Graphite
(c) Ordinary water
(d) Radium
Q10. Bakelite is a copolymer of Phenol and
(a) Formaldehyde
(b) Acetaldehyde
(c) Benzaldehyde
(d) Cinnaldehyde
Q11. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called:
(a) Zinc plating
(b) Alloy formation
(c) Vulcanization
(d) Galvanization
Q12. The element used for making solar cells is
(a) Magnesium
(b) Sodium
(c) Calcium
(d) Silicon
Q13. Excretory products of mammalian embryo are eliminated out by
(a) Placenta
(b) Amniotic fluid
(c) Allantois
(d) Ureter
Q14. What part of the eye gets inflamed and becomes pink when dust gets into?
(a) Cornea
(b) Choroid
(c) Conjunctiva
(d) Sclerotic
Q15. The deficiency of vitamin B causes :
(a) Beri-Beri
(b) Scurvy
(c) Dermatitis
(d) Phynoderma
