3. Choose the correct ansnen Man 1. The trople movement that helps the dimbing vines to find a suitable support is a. Phototropism Geotropism Thigmotropism d. Chemotropism RNRS & The root of the plant is 1) positively phototrople but negatively geotropic ID) positively geotrople but negatively phototropic ut negatively phototropie but positively hydrotropic 1) negatively hydrotrople but positively phototropic a) (i) and (ID) b) (1) and ( c) (uit) and (iv) d) (i) and (1) 6. The non-directional movement of a plant part in response to temperature is called 2. The chemical reaction occurs during photosynthesis is a. C, is reduced and water is oxidised & water is reduced and CO is oxidized e both CO, and water are oxidized d. both CO, and water are produced 3. The bending of root of a plant in response to water is called a. Thigmonasty b. Phototropism c Hydrotropism d. Photonasty a) Thermotropism b) Thermonasty e) Chemotropism d) Thigmonasty 7. Chlorophyll in a leaf is required for a) photosynthesis b) tropic movement e) transpiration d) nastic movement 4. A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of a) Chemotropism b) Geotropism c) Phototropism d) Thigmotropism 9. Transpiration takes place through a) fruit b) seed c) flower d) stomata
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(i) and (ID) b) (1) and ( c) (uit) and (iv) d) (i) and (1) 6. The non-directional movement of a plant part in response to temperature is called 2. The chemical reaction occurs during photosynthesis is a. C, is reduced and water is oxidised & water is reduced and CO is oxidized e both CO, and water are oxidized d. both CO, and water are produced 3. The bending of root of a plant in response to water is called a. Thigmonasty b. Phototropism c Hydrotropism d. Photonasty a) Thermotropism b) Thermonasty e) Chemotropism d) Thigmonasty 7. Chlorophyll in a leaf is required for a) photosynthesis b) tropic movement e) transpiration d) nastic movement 4. A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of a) Chemotropism b) Geotropism c) Phototropism d) Thigmotropism 9. Transpiration takes place through a) fruit b) seed c) flower d) stomata