1. Which of the following organs of human body is said to be a reserve bank of blood?
(A) Spleen
(B) Pancreas
(C) Gall bladder
(D) None of the above
2. Which part of the alimentary canal in htıman beings receives the secretions of liver and pancreas through a common duct ?
(A) ilenm
(B) Stomach
(C) junction of jejunum and ileum
(D) Duodenum
3. Acid rain is caused due to emission of which of the following into the atmosphere
(A) Oxides of nitrogen and sulphur
(B) Ozone and carbon and dioxide
(C) Carbon dioxi-de and carbon monoxide
(D) Carbon monoxide and nitrogen
4. Which of the following spices is obtained from flower buds '?
(A) Clove
(B) Coriander
(C) Cardamom
(D) Turmeric
5. Another name of vitamin B is-
(A) Retinol
(B) Tocopherol
(C) Calciferol
(D) Steroid
6. Deficiency of which vitamin causes night blindness ?
(A) Vitamin A
(B) Vitamin B
(C) Vitamin B12
(D) Vitamin D
7. The main constitttent of skin is-
(A) Hair
(B) Cortical cells
(C) Collegen
(D) Matrix
8. A plant uses nitrogen in the form of-
(A) Nitrogen gas
(B) Nitrate
(C) Nitrite
(D) Urease
9. Which of the following is a fungus ?
(A) Agaricus
(B) Rhizobium
(C) Funaria
(D) Spirogyra
10. Oxygen released during photosynthesis of green plants comes from the break down of-
(A) Carbon dioxide
(B) Fatty acids
(C) Carbohydrates
(D) Water
11. In human being the digestion of proteins starts in which part of the alinıentaıy Canal '?
(A) Month
(B) Stomach
(C) Duodenum
(D) Ilium
12. The enzyme present in the saliva of human beings breaks-
(A) Starch into maltose
(B) Proteins into peptides
(C) Peptides into amino acids
(D) Fats into fatty acids
13. The involvement of which of the following is essential in the control of blood sugar '?
(A) Adrenal
(B) Pancreas
(C) Parathyroid
(D) Spleen
14. During the anaerobic respiration that takes place in our muscles while doing rigorous exercise, what is the end-product formed in the muscle ?
(A) Acetic acid
(B) Carbon dioxide
(C) Ethanol
(D) Lactic acid
15. Which one of the following causes the disease Syphilis ?
(A) Bacteria
(B) Fungus
(C) Protozoan
(D) Virus
16. Which one of the following plants yields bio-diesel or biofuels '?
(A) Hevea brasiliensís
(B) Jatropha Curcas
(C) Juniperus verginiana
(D) Parthenium argenatum
17. There is a fear of decreasing sex ratio of the world in future due to increasing-
(A) Urbanization
(B) Expectationof life
(C) Sex determination tests
(D) Women`s status
18. 'Global-500 Award` is given for the achievement in the field of-
(A) Environmental protection
(8) Movement against narcotics
(C) Movement against terrorism
(D) Population control
19. Urbanization and industrialization are detrimental to-
(A) Sustainable development
(B) Environment and ecology
(C) Presevation of biodiversity
(D) All of the above
20. Which of the following energy is most utilized in biomass '?
(A) Atomic energy
(B) Solar energy
(C) Geothermal energy
(D) Tidal energy
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