Question
| Column I | Column II | ||
| Q.1. | Oviduct | p. | Disc-like special tissue develops between embryo and the uterus wall. |
| Q.2. | Placenta | q. | Fertilisation |
| r. | Testosterone |
| Column I | Column II | ||
| Q.1. | Oviduct | p. | Disc-like special tissue develops between embryo and the uterus wall. |
| Q.2. | Placenta | q. | Fertilisation |
| r. | Testosterone |
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| Column 'A' | Column 'B' |
| Q.1. Concave mirror | (a) It is used in a compound microscope |
| Q.2. Convex lens | (b) It is used as a rear-view mirror in vehicles |
| (c) It is used by doctors |
| Colum $A$ | Colum $B$ |
| $Q.1.$ Electric power | $a.$ Joule |
| $Q.2.$ kWh | $b.$ Electrical energy |
| $c.$ Watt |
| Column I (Type) | Column II (Reactions) |
| Q.1. Neutralisation reaction | a. $Zn + Cu ^{2+} \rightarrow Zn ^{2+}+ Cu$ |
| Q.2. Redox reaction | b. $CaCO _3 \rightarrow CaO + CO _2$ |
| c. $HCl + NaOH \rightarrow$$NaCl+H_2 O$ |
| Column I | Column II | ||
| Q.1. | Guard cells | p. | Breakdown of pyruvate using O2 |
| Q.2. | Food vacuole | q. | Stomatal pore |
| r. | Digestion |
| Column I (Reaction) | Column II (Type of reaction) |
| Q.1. $CH _3 OH + CH _3 COOH \xrightarrow{ H ^{+}} CH _3 COOCH _3+ H _2 O$ | P. Addition reaction |
| Q.2. $H _2 C = CH _2+ H _2 \xrightarrow{ Ni } CH _3- CH _3$ | Q. Substitution reaction |
| R. Esterification reaction |
| Column I | Column II | ||
| Q.1. | Life of unfertilised egg | p. | Q.1. 0 to 12 years |
| Q.2. | Puberty in girls | q. | About 1 day |
| r. | At least 9 months |
| Column I | Column II | Column III |
| Q.1. Myopia | p. The focal length of the eye lens increases | a. Bifocal lens |
| Q.2. Hypermetropia | q. The focal length of the eye lens decreases | b.Concave lens |
| r. The power of accommodation of the eye decreases with ageing | c. Convex lens |
| Column I | Column II |
| Q.1. Twinkling of stars | p. Tiny water droplets present (or suspended) in the atmosphere |
| Q.2. Blue coloured sky | q. Uneven atmosphere |
| r. Scattering of light |
| Colum $A$ | Colum $B$ |
| $Q.1.$ Watt | $a.$ Volt |
| $Q.2.$ Potential difference | $b.$ Electrical energy |
| $c.$ Volt×Ampere |
| A' | 'B' | |
| $Q.1.$ Auxin | $(a)$ | Cell division test in plant |
| $Q.2.$ Gibberellin | $(b)$ | Avena curvature test |
| $(c)$ | Divarb corn test | |