Q1. X-rays are discovered by..
(a) Wilhelm Conrad Roentgen
(b) Paul Villard
(c) Sir Isaac Newton
(d) None of these
Q2.Pituitary gland is located in-
(a) brain
(b) kidney
(c) liver
(d) intestine
Q3. Number of Eyes in an Earthworm is–
(a) one
(b) two
(c) many
(d) no eyes
Q4. Haemoglobin is a
(a) protein
(b) carbohydrate
(c) fat
(d) vitamin
Q5. The average heartbeat rate per minute in a normal person is
(a) 82
(b) 92
(c) 72
(d) 98
(a) Adrenal gland
(b) Thyroid gland
(c) Thymus
(d) Corpus luteum
Q7. The chemical used in developing photographic films is
(a) silver bromide
(b) hypo
(c) sodium sulphate
(d) hydroquinone
Q8. Which of the following is biodegradable?
(a) Paper
(b) D.D.T
(c) Aluminium
(d) Plastic
Q9. Chloroform can be used as
(a) Analgesic
(b) Anaestheti
(c) Antimalarial
(d) Antibiotic
(a) Zinc carbonate
(b) Zinc sulphate
(c) Zinc oxide
(d) Zinc blende
Q11. Which one of the following is a female sex hormone?
(a) Estrogen
(b) Androgen
(c) Oxytocin
(d) Insulin
Q12. ‘ELISA’ test is employed to diagnose:
(a) Polio virus
(b) AIDS antibodies
(c) Tuberculosis bacterium
(d) Cancer
Q13. AIDS virus has:
(a) single-stranded RNA
(b) double-stranded RNA
(c) single-stranded DNA
(d) double-stranded DNA
Q14. Which one of he following is a non-poisonous snake?
(a) Cobra
(b) Dryophis
(c) Elapes
(d) Python
Q15. Angora wool is extracted from-
(a) rabbit
(b) sheep
(c) fox
(d) goat
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