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Home > A Study to Compare the Achievement of Secondary School Certificate and Higher Secondary School Certificate Science Students of Urdu and English Medium Institutions of Faislabad City from 1993Dto 1996

A Study to Compare the Achievement of Secondary School Certificate and Higher Secondary School Certificate Science Students of Urdu and English Medium Institutions of Faislabad City from 1993Dto 1996

Thesis Info

Author

Muhammad Arshad

Supervisor

Musaret Anwar Sheikh

Program

Mphil

Institute

Allama Iqbal Open University

Institute Type

Public

City

Islamabad

Country

Pakistan

Thesis Completing Year

1997

Thesis Completion Status

Completed

Page

xvi,189.

Subject

Education

Language

English

Other

Call No: 373 MUS; Publisher: Aiou

Added

2021-02-17 19:49:13

Modified

2023-02-19 12:33:56

ARI ID

1676709628251

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۵۱۔ دیواریں

دیواریں

میری پہلی صدا شکستہ دیوار سے ٹکڑا کر

جانے کن سماعتوں کی نذرہو گئی

میری پہلی نگاہ دیوارِ انا پہ پڑی

جس نے میری بینائی نوچ لی

میرے لیے کسی دیوار کے پاس سایہ نہیں

نہ کسی پر میٹھے انگوروں کی بیل ہے

جن کی مٹھاس کو میرے ہونٹ ترستے ہیں

اگرکوئی دیوارمیری نگاہ کا برہم رکھ پاتی

میرے ہونٹوں کی مٹھاس بن پاتی

میری صدا کو سماعت...

Perceptions of Sindhi Muslims Towards Exogamous Marriages: An Exploratory Study

It has been said that exogamous marriages tend to lead to language shift (Igboanus & Wolf, 2009 & Dumanig, David & Shanmuganathan, 2013). In an early study Gal (1978) found that Hungarian women marrying German men in the city of Oberwat had shifted to German to negate their peasant Hungarian ancestry and to move up the socio-economic ladder. Similarly, David and Dealwis (2011) found in their study of Malaysian Sindhi Hindus that exogamous marriages tend to lead to language shift but is not the only reason for the shift away from the heritage language. Therefore, before mixed marriages take place one should study perceptions of the speech community towards such marriages. In this exploratory study, the perceptions of Sindhi Muslims-men and women and from different socio-economic groups towards exogamous marriages are studied. With this objective, semi-structured interviews were conducted with ten Sindhi Muslim participants (four male adults and six female adults) who live in Karachi. The interviews were recorded, transcribed, coded and themes were generated after formal consent was obtained. The findings show that language choice in the home domain is shifting because of intercultural marriages. Also, such marriages are frequent among Sindhi community members with a high socio-economic status who live in cities. Gender plays an equal role too, as the women respondents showed mixed responses towards exogamous marriages while the male respondents had a more positive perception. Such views and perceptions may affect choice of marital partners and language choice in the home domain.

Relative Efficacy of Plant Growth-Promoting Rhizobacteria Possessing Phosphate Solubilizing And/Or Acc-Deaminase Activity for Improving Growth and Yield of Cereals

The phosphorus content in soil (organic plus inorganic) is usually much higher than plant requirements, however bioavailability of phosphorus to plant is one of the major plant growth limiting constraints. Even the added P as phosphatic fertilizer may get unavailable because of its fixation/ precipitation in soil, particularly in calcareous and alkaline soils. Thus, there is dire need to mobilize this big pool of soil phosphorus for improving crop yields on sustainable basis and one of the strategies useful for this purpose is the use of specific microorganisms applied as inocula. Some plant growth promoting rhizobacteria (PGPR) are known to promote plant growth by solubilizing this unavailable/insoluble phosphorus (P) in soil while others enhance P acquisition by plant indirectly through promoting extensive root growth because of their 1- aminocyclopropane-1-carboxylate (ACC)-deaminase activity. As far as we know, for the first time we compared the PGPR carrying dual traits (phosphorus solubilizing and ACC deaminase activity) vs. single trait PGPR for their effectiveness to improve P nutrition and growth of wheat and maize. To achieve these objectives, a series of experiments was conducted to document the impact of selected PGPR on wheat and maize under axenic and natural conditions. A total of thirty five (35) isolates were collected from the rhizosphere of wheat and maize by using enrichment techniques. Six isolates were selected on the basis of their P-solubilizing and/or ACC deaminase activity. Among the selected six rhizobacteria, two (K1 & K2) predominantly carry ACC-deaminase activity, the other two (K3 & K4) had P-solubilization activity while rest of the two (K5 & K6) carried both of these traits. The seeds of wheat (Bhakar 2002) and maize (Sahiwal 2002) were inoculated with these six selected isolates and sown under axenic conditions in growth medium containing rock phosphate (RP) as P source. The same six strains of PGPR were tested under pot and field conditions with the objectives to improve P use efficiency in inoculated wheat and maize crop under five fertilizer treatment matrix including F0 (NK fertilizer only); F1, (F0+rock phosphate (RP); F2, (F0+DAP); F3, (F0+compost) and F4, (F0+RP-enriched compost). Inoculation with all the PGPR strains promoted growth and yield parameters of wheat and maize compared to respective uninoculated control under all the five fertilizer treatments, however, effectiveness of PGPR strains varied in different fertilizer treatments. Results also clearly revealed that dual trait PGPR strains were most promising and consistent in increasing growth and yield parameters of wheat and maize compared to single trait strains under all fertilizer treatments. Comparison of single trait PGPR indicated that P solubilizers were relatively more effective than those PGPR containing ACC deaminase activity implying that the improvement in P-nutrition is more critical for improving plant growth than just improving root growth with respect to P nutrition as well as growth and yield of wheat and maize. These results may imply that PGPR possessing dual traits could be the best candidates for formulation of the most effective and consistent biofertilizer. Overall, fertilizer treatments also differed from each other with respect to affecting growth and yield parameters of wheat and maize as fertilizer treatment F2, (F0+DAP) proved the best while F0, (N and K only) had the minimum impact.