Q1. Turpentine oil is extracted from
(a) Nettle
(b) Cycas
(c) Teak
(d) Pine

Q2. Coffee is extracted from the

(a) Flowers
(b) Seeds
(c) Leaves
(d) Fruits
Q3. Process by which plants prepare their food is
(a) Carbohydrolysis
(b) Metabolic synthesis
(c) Photosynthesis
(d) Photorespiration
Q4. In photosynthesis
(a) Light energy is converted into chemical energy
(b) Chemical energy is converted into light energy
(c) Chemical energy is converted into electrical energy
(d) Light energy is converted into mechanical energy
Q5. Which of the following organelles of a cell is involved in photosynthesis?
(a) Chloroplast
(b) Mitochondria
(c) Golgi bodies
(d) Endoplasmic reticulum
Q6. The organ of the human body directly affected by the disease of hepatitis is
(a) Liver
(b) Lungs
(c) Heart
(d) Brain
Q7. Which one of the following disease is not caused by virus ?
(a) Polio
(b) Rabies
(c) Small pox
(d) Diphtheria
Q8. Of the following, ELISA test is performed to test
(a) Diabetes
(b) Tuberculosis
(c) AIDS
(d) Syphilis
Q9. The radio-isotope used to detect blood-clots in the circulatory system is
(a) Arsenic-74
(b) Cobalt-60
(c) I-131
(d) Sodium-24
Q10. Keeping pigs away from human settlements helps in the eradication of
(a) Malaria
(b) Japanese encephalitis
(c) Elephantiasis
(d) Polio
Q11. Which one of the following human organs is less susceptible to harmful radiations ?
(a) Eyes
(b) Heart
(c) Brain
(d) Lungs
Q12. In human the thickest skin is present in
(a) palm
(b) sole of foot
(c) neck
(d) head
Q13. The 1968 Nobel prize for Physiology or Medicine was shared by Holley, Khorana and Nirenberg, for
(a) discovery of tRNA
(b) genetic code
(c) genetic structure
(d) meiosis
Q14. Which of the following is not the vestigial human organ ?
(a) Tailbone
(b) Eardrum muscles
(c) Frontal teeth
(d) Appendix
Q15. Which of the following does not have blood but undergoes respiration ?
(a) Cockroach
(b) Snail
(c) Hydra
(d) Kangaroo

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