(a) Tocopherol, Niacin, Cyanocobalamin
(b) Calciferol, Carotene, Tocopherol
(c) Ascorbic acid, Calciferol, Riboflavin
(d) Thiamine, Carotene, Biotin
Q2. Heart attack occurs due to
(a) Bacterial attack on the heart
(b) Stopping of heart beat
(c) Lack of supply of blood to the heart itself
(d) Impairment of heart’s working due to unknown reasons
Q3. The colour change in the Chameleon is due to the presence of
(a) Haemoglobin
(b) Chromatophore
(c) Chlorophyll
(d) Pneumatophore
Q4. The Drone in honey-bee are
(a) Fertile male
(b) Fertile female
(c) Sterile male
(d) Sterile female
Q5. Of which tissue nails, hoofs and horns are made of
(a) Cutide
(b) Chitin
(c) Keratin
(d) Tunicin
Q6. Mercury poisoning in man causes the disease
(a) Black lung
(b) Arsenicosis
(c) Minamata
(d) Tai-Etai
Q7. The yellow colour of urine is due to presence of
(a) Bile
(b) Lymph
(c) Cholesterol
(d) Urochrome
Q8. In cauliflower plant the useful part is :
(a) Underground stem
(b) Root
(c) Young inflorescence
(d) Leaves
Q9. Plants which flower only once in their life time are known as
(a) polycarpic
(b) monocarpic
(c) monogamous
(d) monogeneric
Q10. ‘Comose’ seeds are seeds with
(a) Long hairs
(b) Wings
(c) Bristles
(d) Hooks
Q11. Which of the following does not cause pollution?
(a) Burning of petrol
(b) Use of solar energy
(c) Burning of rubber
(d) All of the above
Q12. An invertebrate does not have
(a) Notochord
(b) Body cavity
(c) Haemocoel
(d) Gills
Q13. Excess amount of absorbed water by plants is liberated out by :
(a) Evaporation
(b) Osmosis
(c) Diffusion
(d) Transpiration
Q14. Biogradable wastes can usually be converted into useful substances with the help of:
(a) nuclear proteins
(b) radio-active substances
(c) viruses
(d) bacteria
Q15. Bio-diesel is mostly produced by :
(a) Myrtaceae
(b) Malvaceae
(c) Liliaceae
(d) Euphorbiaceae
