Question
| Column A | Column B | ||
| (1) | Myopia | (a) | Convex lens |
| (2) | Hypermetropia | (b) | Concave lens |
| (3) | Presbyopia | (c) | Cone cells |
| (4) | Colour blindness | (d) | Ciliary muscles |
| (e) | Rear new mirror |
| Column A | Column B | ||
| (1) | Myopia | (a) | Convex lens |
| (2) | Hypermetropia | (b) | Concave lens |
| (3) | Presbyopia | (c) | Cone cells |
| (4) | Colour blindness | (d) | Ciliary muscles |
| (e) | Rear new mirror |
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| Group 'A' | Group 'B' |
| a. $C_2H_6$ | 1. Unsaturated hydrocarbon |
| b. $C_2H_2$ | 2. Molecular formula of an alcohol |
| c. $CH_4O$ | 3. Saturated hydrocarbon |
| d. $C_3H_6$ | 4. Triple bond |
| Column A | Column B |
| (i) Alkali metals | (a) Group 2 |
| (ii) Alkaline earth metals | (b) Group 1 |
| (iii) Halogens | (c) Group 18 |
| (iv) Noble gases | (d) Group 17 |
| Column A | Column B | ||
| (1) | Annelida | (a) | Jointed appendages |
| (2) | Arthropoda | (b) | Segmented body |
| (3) | Mollusca | (c) | Flat body |
| (4) | Echinodermata | (d) | Soft body |
| (e) | Spiny body |
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
| Group A | Group B |
| 1. Making sheets of metals | a) Sonority |
| 2. Making metal utensils | b) Malleability |
| 3. Making Copper wires | c) Good conductor of heat |
| 4. Making bells from metal | d) Ductility |
| Column A | Column B |
| (1) Corynobacterium | (a) Lactic acid |
| (2) Aspergillus niger | (b) Itaconic acid |
| (3) Lactobacillus delbrueckii | (c) Gluconic acid |
| (4) Aspergillus itaconius | (d) Wine |
| (e) L-glulamic acid |
| Column A | Column B |
| (1) Wilfley table method | (a) $SnO _2$ and $FeWO _4$ |
| (2) Hydraulic separation method | (b) CuFeS2 |
| (3) Magnetic separation method | (c) Ball mill |
| (4) Froth Floatation method | (d) Ore soaked in a solution |
| (e) Law of gravitation |
| Column A | Column B |
| (1) Bauxite | (a) Mercury |
| (2) Cassiterite | (b) Aluminium |
| (3) Cinnabar | (c) Tin |
| Column A | Column B |
| (1) Phenol oxidising bacteria | (a) Prevent leaching of iron, zinc by forming compounds |
| (2) Thiobacilli | (b) Xenobiotic chemicals |
| (3) Pseudomonas spp. | (c) Soil pollution due to acid rain |
| (4) ) Ideonella sakaiensis | (d) Biopesticide |
| (e) Oil spills | |
| (f) PET |
| Column A | Column B | ||
| (1) | Acoelomate | (a) | Starfish |
| (2) | Radially Symmetrical | (b) | Frog |
| (3) | Bilaterally Symmetrical | (c) | Amoeba |