UPPSC pre 2010 Botany solution Part-1

1. guanylic acid (abbreviated as GMP). (biochemistry) the nucleotide guanosine monophosphate formed during protein synthesis
2. Liriodendron tulipifera (tulip tree), Magnolia stellata, Michelia doltsopa, ... where these girdle the stem tissue, the leaves above the lesion wilt
3. Cystolith (Gr. "cavity" and "stone") is a botanical term for the inorganic concretions, usually of calcium carbonate, formed in a cellulose matrix
4. The companion cell and the neighbouring sieve cell together represent a pair of sister cells. The companion cell has a granular cytoplasm, prominent nucleus The sieve-tube cells lack a nucleus, have very few vacuoles, ... The cytoplasm of a companion cell is connected to the sieve-tube element by plasmodesmata

   vessel elements of secondary xylem were found. to contain a nucleus and cytoplasm

5. Why does a root hair cell have a nucleus? It is a (modified) but living cell. It is a specialised cell which has been formed from the division of another cell
6. Medullary bundles present (inversely orientated, e.g. in Campsis, Tecoma
7. Boerhaavia L. (Nyctaginaceae) has attracted the attention of plant anatomists due to the presence of medullary bundles
8. The inner ring of Bougainvillea shows no central or medullary bundles
9. Nucellar embryo is Apomictic diploid,
10. Trochodendron as archaic is their lack of xylem vessels. Xylem vessels are only lacking in a few other extant woody angiosperms, which include Tetracentron
11. Amborella represents a particularly primitive angiosperm, and it does not have xylem vessels.
12. Species of Equisetum have been found to contain two types of xylem vessel
13. The Meliaceae, or the Mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants) in the order Sapindales
14. The most common natural cytokinin in plants is trans-zeatin.
15. Abstract Cytochrome c6 and plastocyanin are soluble metalloproteins that act as mobile carriers transferring electrons between the two membrane-embedded
16. , 130 mols of ATP result from the oxidation of one mol of palmitic acid (C16:0), as compared to 38 mols of ATP from one mol of glucose.
17. The chemical structure of Tyrosine
18. mesogamy. noun. Fertilisation during which the pollen tube penetrates the ovule laterally by way of the integuments.
    
19. In most accounts of Ephedra, Gnetum, and Welwitschia, the ovules on bisexual cones .... megaspores were observed and thus megasporogenesis is tetrasporic in nature
20. Tetrasporic embryo sac : All the four megaspore nuclei take part in development of embryo sac e.g., Adoxa, Plumbago, Dursa, Fritillaria
21. gametophyte (rws - no archegonia formed..none in Gnetum
22. major part of centriole tubulin is highly modified on both the - and ..... tions of tubulin reported that centriole microtubules
23. Unlike those of "true" mosses (Bryopsida), the sporophytes of Sphagnum consist of a capsule (sporangium) and foot, with little or no development of a seta.
24. SELAGINELLA CROSS SECTION OF A STEM WITH A POLYSTELE - Here you see the cross-section of a stem that is polystelic, i.e. , it has two or more protosteles
25. The main event in the centriolar cycle in the S period is centriole replication
26. Passage through the four phases of the cell cycle is regulated by a family of cyclins that act as regulatory subunits for cyclin-dependent kinases (cdks).
27. nucleolus and, in particular, its potential roles in mRNA processing and biogenesis. ... The fundamental role of the nucleolus in production of ribossomes- .
28. The mechanism of replication of phi x174 DNA. XVI. Evidence that the phi x174 viral strand is synthesized discontinuously
29. Adenovirus replication occurs in the nucleus and is semiconservative with each strand being elongated continuously without Okazaki
30. Pseudouridine (abbreviated by the Greek letter psi- Ψ) is the C-glycoside isomer of the nucleoside uridine, and it is the most prevalent of the over one
31. Padian, K, JR Hutchinson & TR Holtz, Jr. (1999), Phylogenetic definitions and nomenclature of the major taxonomic categories of the carnivorous Dinosauria ...
    
32. Nyctanthes is a genus of flowering plants in the family Oleaceae, native to southeastern Asia. It is currently accepted as containing two species
33. Y – shaped Energy Flow Model. Known also as Two-Channel Energy Flow Model, it includes both the grazing and detritus food-chain of an ecosystem
34. Bordeaux mixture is a mixture of copper sulphate and hydrated lime used as a fungicide in vineyards. It is used mainly to control garden, vineyard
35. Trabeculae are the cells from endodermis in the stem of Selaginella . They develop by radial elongation of some of the endodermal cells
36. DNA Fingerprinting Using Amplified Fragment Length Polymorphisms (AFLP)
37. HAR GOBIND KHORANA. 1968 Nobel Laureate in Medicine. for their interpretation of the genetic code and its function in protein synthesis.
38. Areca is a genus of tall palms with pinnated leaves, and a drupe-like fruit enclosed in a fibrous rind.
39. Taq polymerase (pronounced; tack puh-lim-er-ase) is a thermostable DNA polymerase named after the thermophilic bacterium Thermus aquaticus from which it was isolated
40. The main enzyme responsible for synthesis of DNA from an RNA template is called reverse transcriptase
41. Unrefined crude oil accounts for majority of oil spills because this is the ... Pseudomonas putida was isolated from the oil-contaminated sites of BHEL
42. The antibodies produced by the hybridoma are all of a single specificity and are therefore monoclonal antibodies
43. Blunt End Ligation by T4 DNA Ligase, End Labelling and Hybridization in Restriction Mapping ,Chimeric DNA
44. The FLAVR SAVR. TM tomato was developed through the use of antisense RNA
45. Loose smut - Ustilago tritici Loose smut is probably the most obvious of all wheat diseases. At flowering, all parts of the head and grain except the rachis (backbone) are replaced by ...
    
46. The single-chain antibody (scFv) made by recombinant DNA technology is one of ... thus they have been often employed for gene therapy to cure various diseases. .... This competitive inhibition
47. Phytoplasma are specialised bacteria that are obligate parasites of plant phloem tissue and transmitting insects (vectors)Phytoplasmas are prokaryotes lacking cell walls that are currently classified in the class Mollicutes (Agrios, 1997).
48. Kalmegh (andrographis) is an annual herb. It is extremely bitter, acrid, cooling and laxative. In India, it is sometimes called.Common Name, Kalmegh. Family, Acanthaceae. Part-Used, Whole Plant ... Kalmegh contains bitter principles andrographolide, a bicyclic diterpenoid lactone and Andrographis paniculata (Kalmegh) is traditionally known as kalmegh. The plant belongs to family Acanthaceae and is widely used in Ayurvedic and Homeopathic ..The decoction of the plant is a blood purifier. It is used as a cure for torpid liver and jaundice.
49. sten·o·ther·mal [ stènnə thúrm'l ]. adjective. Definition: living within narrow temperature range: able to live only within a narrow temperature range
50. 2 February each year is World Wetlands Day. It marks the date of the signing of the Convention on Wetlands on 2 February 1971
51. Epipelic algae live freely on sediment surfaces, epipsammic algae ... but sand an epipelic flora may be present but a community of epipsammic
52. Neuston is the name for zooplankton that live in the top few centimetres ... area revealed a seabed of fine mud scattered with black stones
53. Epipelon. An organism living on (or in) fine sediments, namely mud or sand
54. Benthos are the organisms which live on, in, or near the seabed, also known as the benthic zone.
55. A phenocopy is an individual whose phenotype (generally referring to a single trait), under a particular environmental condition, is identical to the one of another individual whose phenotype is determined by the genotype. In other words the phenocopy environmental condition mimics the phenotype produced by a gene.The term was coined by Goldschmith in 1935.
56. India is part of two hotspots- Indo-Burma (earlier Eastern Himalayas ) and Western Ghats and Sri Lanka .
    Of late, conservationists named nine new 'Biodiversity Hotspots', making the total to 34, which also include the Himalayas
57. Acacia (pronounced /əˈkeɪʃə/) is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae,
58. The UNESCO Man and Biosphere Reserve Programme (MAB) was established in 1977
59. latex of Calotropis procera possessing potent antioxidant and ... PGE(2) and catalase and decrease in the levels of glutathione (GSH),
60. The names "nut grass" and "nut sedge" (shared with the related species Cyperus esculentus) are derived from its tubers, that somewhat resemble Family Cyperaceae (Sedge family). Overview Nutgrass is a common perennial weed in Suriname; herbaceous perennial with purple - brown, bisexual flowers
61. Parthenium is called Congress weed or Congress Grass, do you know why? ... It is a type of grass....Congress grass it has been the main CONGRESS GRASS (Parthenium hysterophorus) - A Fast Spreading Biological Pollutant ... herbaceous annual plant belonging to family Asteracae (Compositae). ...
62. A perennial, creeping grass (Cynodon dactylon), grass,family Gramineae
63. Family: Poaceae (Grass family) Genus: Vetiveria Bory (vetivergrass) Species: Vetiveria zizanioides (L.) Nash (vetivergrass) Popular Name(s): Khas Khas,