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PPSC test preparation Biology MCQs part 1

PPSC test preparation Biology MCQs part 1 Source: 8 class science book Choose the correct option. (i) The phenomenon that does not lead to global warming:  greenhouse effect deforestation ozone depletion  photosynthesis (ii). The feeding level of an organism in an ecosystem is called tropic level  food chain secession level  food Web (iii). The graphical representation of trophic relationship of organisms in an ecosystem is called tropic level  food chain ecological pyramid  predation (iv). All food chains are joined together to form  tropic level  food web ecological pyramid  none of these (v).  The energy of the sun is trapped as chemical energy by  producers secondary consumers primary consumers tertiary consumers (vi). Consumers that actively hunt other organisms are called prey symbiont predator competitor (vii). A relationship where two species live together closely is called predation competition symbiosis none of these (viii) We can solve environmental problems by:  reducing po
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Kojic acid of Skin

  Kojic acid of Skin:  Kojic acid is a chemical molecule that is frequently included in skincare products because of its ability to lighten skin. It is generated from various fungi, a byproduct of the fermentation of rice, which is used to make Japanese rice wine.  Advantages: Skin Lightening: Kojic acid is known for its ability to inhibit the production of melanin in the skin. Melanin is the pigment responsible for the color of our skin, hair, and eyes. Kojic acid can help lighten and brighten the skin by inhibiting melanin production. Hyperpigmentation: Kojic acid is often used to treat hyperpigmentation, which includes conditions like age spots, sun spots, and melasma. It can be effective in reducing the appearance of these dark spots on the skin. Acne Scars: Some people also use kojic acid to address acne scars and other forms of skin discoloration. Antioxidant Properties: Kojic acid has antioxidant properties, which means it can help protect the skin from oxidative damage caus
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7 Most beautiful restaurant in Multan, Pakistan

 7 Most Beautiful Restaurants in Multan, Pakistan Multan is a historic city located in the Punjab province of Pakistan. Known as the "City of Saints" and "City of Sufis," it has a rich cultural heritage and is one of the oldest cities in the Asian subcontinent. Multan is a beautiful city. Here are some restaurants that are known for their beauty.  Treat Yourself to the most pleasing of  restaurants in Multan.  If you are a visitor or want to enjoy with family and friends you must visit these places.  1. Monal Restaurant Multan: In Pakistan, the Monal Restaurant chain is incredibly well-liked. Monal's branch in Multan is not an exception. This restaurant is known for its picturesque location and panoramic views. Address :  6F7C+7XP Rooftop Crystal Mall, Bosan Rd, Usmanabad Colony, Multan, Punjab 2. Ramada Multan Restaurant: This hotel often had a well-regarded restaurant with a pleasant ambiance. Customers at Ramada by Wyndham Multan can choose from a variety o
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How to stop me from eating multani mitti.

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  How to stop me from eating multani mitti Eating multani mitti, also known as fuller's earth, can be unhealthy for you because it shouldn't be consumed and can lead to digestive problems as well as other health issues. To benefit your overall health, addressing any urges or compulsions you may have to eat multani mitti is crucial. You can follow the instructions listed below: Educate yourself. Making wise decisions can be aided by thoroughly understanding the health concerns related to eating non-food items. If you're having trouble controlling your urges to consume non-food items like multani mitti, you might want to speak with a psychologist or psychiatrist. They can aid with your investigation of the root causes of this behavior and offer techniques for overcoming it. Utilise mindfulness practices to increase your awareness of your desires and urges. Pause when you are tempted to consume multani mitti and examine your feelings and ideas without passing judgment. Putting
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5 top websites for genuine online working

5 top websites for genuine online working  By providing a wide range of routes to meet different abilities and preferences, online earning has revolutionized the way people access chances to make revenue. The digital world has opened up new aspects of financial freedom, from freelancing on sites like Upwork and  Nevertheless, despite the enormous potential, it's crucial to use caution and attention to prevent fraud, as well as to understand that sustained online earning frequently calls for devotion, flexibility, and a dedication to perfecting one's craft in the virtual world. You can discover legal or  genuine  online jobs on some well-known and trustworthy freelancing websites, which I can definitely refer you to.  1. Upwork: One of the biggest and most well-known platforms for independent contractors is Upwork. It offers a wide range of jobs. Projects are posted by clients, and freelancers can offer to work on them.  Internet address: https://www.upwork.com 2. Freelancer:
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Seed treatment with carboxymethyl cellulose (CMC) is typically referred to as "priming" rather than "coating."

  Seed treatment with carboxymethyl cellulose (CMC) is typically referred to as "priming" rather than "coating." Priming involves pre-treating seeds with various compounds, including chemicals, nutrients, hormones, or microorganisms, to enhance germination, early seedling growth, and overall plant performance. Seed priming has gained attention as a valuable technique in agriculture and horticulture, as it can lead to improved seedling establishment, reduced emergence variability, and better plant growth under various environmental conditions. It's worth noting that the effects of priming can vary based on the specific treatment, the plant species, and the growing conditions. In the context of using beneficial microorganisms and CMC for seeds, the term "priming" would be appropriate. The process involves allowing the seeds to absorb the beneficial compounds from the microorganism's culture and CMC solution, which can enhance their germination, nutri
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Antifungal efficacy of Microrobots

  Antifungal efficacy of Microrobots: Small robotics, specifically mobile robots with characteristic dimensions less than 1 mm, are known as microbotics or microrobots. A microrobot is a tiny robot designed to carry out particular tasks. A microrobot is typically somewhat bigger than a nanorobot, which is made at the nanoscale. While some nanobots are not instantly apparent to the human eye, microrobots are typically visible ( Margaret Rouse ).  Current treatments (such as nanoparticles) can have a variety of negative effects and function slowly and ineffectively. In addition, the problem of growing drug resistance diseases in the field of antifungal therapy.  Researchers at the University of Pennsylvania, Hyun (Michel) Koo and Edward Steager, joined forces with their teams in an initiative to use microrobots to target microbial coatings on soft surfaces. In an email to ASN, Koo stated, "Our study has developed a new strategy using tiny robotic particles called nanozyme microbots
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