551. Which one of the following is a major green house gas? CO2 552. The flow of genetic information from nucleic acid to protein is called transcription 553. Oxygen in the universe is replenished higher plant photosynthesis 554. Limnophylla haterophylla is an example of Amphibious plant 555. An example for a parasitic algae is cephaleuros [...]
501. Quinine is made from cinchone bark 502. Phylllanthus nirui is a medicinal herb and it is used to cure jaundice 503. The dark reaction was worked out by an American scientist called Melvin Calvin 504. “Breathing roots” of mangrove plants are also called both (B) and (C) 505. Hydroponics is plant growth in liquid [...]
451. Those flowers which have both male and female reproductive parts are called unisexual 452. The other nama of the plant taxonomy is systematic botany 453. Plants takes nitrogen in the form of nitrates 454. Edible fungi are Agaricus 455. One of the following is useful for cheese making penicillium 456. Waterblooms are produced by [...]
401. Soyabean contains a high degrees of proteins 402. The age of a tree can be determined by counting the growth rings of its stem 404. Ground becomes slippery during the rainy season due to green algae 405. Which one of the following is a useful functional association between fungi and the roots of higher [...]
351. one of the following is the simplest land plant Bryophytes 352. Bacteria generally multiply by binary fission 353. Agaar- agar is obtained from gelidium 354. Which of th following grows on wet bread? yeasts 355. Nitrogen fixation is done by blue-green algae 356. Which bacteria produce vinegar in sugar solution? acetobacter aceti 357. Penicillin [...]
301. The green leaves performing photosynthesis are know as foliage leaves 302. Mango is an example for tree 303. Mitosis and Meiosis are absent in bacteria 304. Cotton fibres are obtained from cotton fruits 305. Bacteria which are spherical in shape are known as coccus 306. Viruses are in between non-living and living organisms 307. [...]
251. Ganong’s photometer is used in the study of transpiration 252. Coconut is dispersed in nature by water 253. Pillar roots of Banyan help in the support of the branches 254. The organic compounds that contain nitrogen is protein 255. Which one of the following is a climax forest? Thorn forest 256. Red colour of [...]
201. An example of a Hesperidium is Citrus 202. Which of these is an antibiotic? aureomycin 203. The number of dry plants in the herbarin found in the Indian botanical garden at kolkata is about 1 million 204. Mycoses are diseases caused by fungi 205. Which one of the following is not a correct pair [...]
151. Which one of the following is correctly matched? Polytrichum-Algae 152. Which one of the following tissues conducts food material in plants? phloem 153. Penicillin is a/an antibiotic 154. Polio is caused by virus 155. The energy needed by the living organism is ultimately obtained from sum 156. In plants, water is conducted by xylem [...]
101. The cambium present within a vascular bundle is known interfascicular cambium 102. The outermost layers of rice grain endosperm rich in proteins, vitamins and minerals are known as Aleurone layers 103. Syngenesious anther is an important characteristic feature of 104. Heterospory leading to the establishment of seed habit is observed in selaginella 105. Which [...]