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You Are On Question Answer Bank SET 2304
115201. The preparation of organic food by reducing CO2 takes place in which phase?
Answer: Dark Phase
115202. The most abundant plant pigment in the world?
Answer: Chlorophyll a
115203. Minimum rate of photosynthesis is found in which colour?
Answer: Green
115204. The process of break down of food materials within the cell to release energy is known as?
Answer: Cellular respiration
115205. The organic food that are oxidised during cellular respiration are known as?
Answer: respiratory substrates
115206. The energy released during respiration is used for the synthesis of ........?
Answer: ATP
115207. The rate of respiration is measured by?
Answer: respirometer
115208. Glycolysis takes place in which part of the cell?
Answer: Cytoplasm
115209. Kreb’s cycle occurs in?
Answer: Mitochondria
115210. Name the important plant hormones?
Answer: Auxins; Gibberellins; Cytokinins; Abscisic acid & Ethylene
115211. Which plant hormones are known as growth promoters?
Answer: Auxin; Gibberellin; Cytokinin
115212. Which plant hormones are known as growth inhibitors?
Answer: Abscisic acid and Ethylene
115213. The only gaseous plant hormone which promotes fruit growth and ripening is?
Answer: Ethylene
115214. In plants the adverse enviornmental conditions are overcome with the help of which hormone?
Answer: Abscisic acid
115215. The plant hormone abscisic acid is also known as ......?
Answer: Stress hormone
115216. Which plant hormone is known as the ripening hormone?
Answer: Ethylene
115217. Which hormone is responsible for flowering in plants?
Answer: Florigen
115218. The activity of which hormone help to cover wounded or injured portions of a plant?
Answer: Traumatic acid
115219. Synthetic growth regulators are commonly known as?
Answer: Morphactins
115220. The synthetic auxin which is used as a herbicide?
Answer: -2.4 - Dichloro Phenoxy Acetic Acid (2; 4-D)
115221. The hormone present in coconut milk is?
Answer: cytokinin
115222. Seed dormancy is due to?
Answer: Abscisic acid
115223. Plant movement in response to chemical stimulus is called?
Answer: Chemotropism
115224. The bending of stem towards light is due to?
Answer: Phototropism
115225. The movement of plant organs in response to the force of gravity is called?
Answer: Geotropism
115226. Haptotropism means the movement of a plant organ induced by contact with a ......?
Answer: Foreign body
115227. Growth movements in response to the stimulus of contact are called?
Answer: Thigmotropism
115228. Growth movements in response to the stimulus of heat or cold is called?
Answer: thermotropism
115229. Plant movement due to the alternation of day and night are called?
Answer: nyctinastic movement
115230. Seismonastic movements are in response to ........?
Answer: touch or shock stimulus PLANT HORMONES 1) Flowering hormone - Florigen 2) Ripening hormone - Ethylene 3) Wound hormone - Traumatic acid 4) Stress hormone - Abscissic acid
115231. Name the plant which produce ozone at the time of photosynthesis?
Answer: Thulsi
115232. Name the plant that show seismonastic movement?
Answer: Touch me not plant (Mimosa plant)
115233. The transfer of pollen grains from the anther to the stigma is called?
Answer: pollination
115234. What is hydrophily?
Answer: Pollination by water
115235. Pollination by bat is called?
Answer: Chiropterophily
115236. Pollination between two flowers of one plant is called ......?
Answer: gytanogamy
115237. Pollination by insects is called ........?
Answer: Entomophily
115238. What is zoophily?
Answer: Pollination by animals
115239. Pollination by birds?
Answer: Orinithophily
115240. The chief pollinators of agrihorticulture crops?
Answer: bees
115241. Seed dispersal in coconut occurs through ........?
Answer: water
115242. In muringa; seed dispersal takes place through .......?
Answer: wind
115243. Why are night blooming flowers white in colour?
Answer: To become discernible to pollinators
115244. What is Anemophily?
Answer: It is the pollination by wind ALGAE AND FUNGI
115245. The multicellular fungi is?
Answer: Pencillium
115246. Name two antibiotic drugs obtained from actinomycetes?
Answer: Streptomycin and erythromycin
115247. What is hyphae?
Answer: The individual mycelium filaments is hyphae
115248. The land plant without chlorophyll?
Answer: Mushroom
115249. Phaeophyta is?
Answer: Brown Algae
115250. The brownish colour of Brown Algae is due to presence of ...... pigment?
Answer: Xanthophyll
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