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HTML span tag
In this tutorial we will be covering the last container tag which HTML gives you - the tag. The tag is similar to the
tag but not the tag. The role of tag is similar...
Total Views: 6
Posted By: Open E-School
Posted On: 2017-12-06
HTML paragraph tag
After the heading tags let's move to the paragraph tag in HTML. Majority of the content you will be adding to your webpage will be in the form of paragraphs. The browser does not follow the normal rul...
Total Views: 4
Posted By: Open E-School
Posted On: 2017-12-03
HTML heading tags – h1, h2, h3, h4, h5, h6
The first content tag we will teach you is the heading tag. It is a normal practice to put heading on any content we write. Even when you create a webpage and want to add some content to it, you feel ...
Total Views: 5
Posted By: Open E-School
Posted On: 2017-12-07
HTML image tag
In this tutorial you will learn about the image tag which HTML provides you to add images to you webpage. Unlike the other content tags in HTML, understanding the image tag can be a little bit tricky ...
Total Views: 5
Posted By: Open E-School
Posted On: 2017-12-09
HTML form tag
In this tutorial you will start learning about the HTML form tags. Before you can learn any of the input tags which HTML provides you with, it is important to learn the
tag first. All the HTML ...
Total Views: 0
Posted By: Open E-School
Posted On: 2017-08-29
HTML anchor tag
The content tag about which you will be learning in this tutorial is a little extra special from all other tags in HTML. It is this tag because of which HTML is called a Hyper Text language. You might...
Total Views: 7
Posted By: Open E-School
Posted On: 2017-12-06
HTML list tags – ul, ol
Having understood the paragraph tags used for writing large amount of text, we will teach you the list tags in this tutorial. The list tags let’s you add content in the form of a list. There are two t...
Total Views: 5
Posted By: Open E-School
Posted On: 2017-12-06
HTML input tags
Now that you know about the form tag and the role it plays in transferring the user inputs to the server it’s time to learn our first and most important input tag which you will find in every form – t...
Total Views: 0
Posted By: Open E-School
Posted On: 2017-08-29
HTML file tags – File upload
After learning how to get text and selection inputs from the user let’s now teach you about a very interesting tag in HTML which is used for selecting files from your computer. You might have upload a...
Total Views: 0
Posted By: Open E-School
Posted On: 2017-08-29
HTML select tags – Drop down and list box
Very similar to the checkbox and radio button controls are the dropdown and list box controls in HTML. The role of dropdown and list box is to provide a list of options to the user and let him select ...
Total Views: 1
Posted By: Open E-School
Posted On: 2017-11-14
HTML input tags – Radio buttons
In the previous tutorial you learnt about the checkbox control in HTML. You need to set the type attribute of the input tag to checkbox in order to display a checkbox in the browser. In this tutorial ...
Total Views: 1
Posted By: Open E-School
Posted On: 2017-11-14
HTML input tags – Checkbox
The text input tag you learnt about in the previous tutorial is used for collecting inputs in the form of text from the user. In this tutorial you will learn about the checkbox input tag using which t...
Total Views: 1
Posted By: Open E-School
Posted On: 2017-11-15
HTML input tags – Textarea
Using all the input tags you learnt in the previous tutorials the user can provide inputs in the form of text, choices and file selection. But none of these tags let the user enter lengthy text inputs...
Total Views: 7
Posted By: Open E-School
Posted On: 2017-12-03
HTML and SEO
Search Engine Optimization is an extremely important subject and it is important that you know about this subject in order to learn how to bring more traffic to your website by increasing the visibili...
Total Views: 78
Posted By: Open E-School
Posted On: 2017-11-13
How is “Rosie” considered different from a normal cow. Explain.
Answer 1.    Rosie is a transgenic cow. 2.    It produces human protein enriched milk. The amount of protein in this milk is 2.4 gm per litre. 3.    It also contains human α-lactalbumin. 4.    It ...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How has mutation breeding helped in improving the production of mung bean crop.
Answer With the help of mutation breeding the mung bean crop has become resistant to yellow mosaic virus and powdery mildew.
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How many chromosomes do drones of honey bee possess. Name the type of cell division involved in the production of sperms by them.
Answer Drones are male honey bees which develop without fertilization. The process is called parthenogenesis. They are haploid and their chromosome number is 16.   Mitosis is involved in the producti...
Total Views: 89
Posted By: Open E-School
Posted On: 2017-11-26
How does the gene ’I’ control ABO blood groups in humans. Write the effect the gene has on the structure of red blood cells.
Answer Gene ‘I’ control ABO blood groups in humans. The gene I has three alleles-IA, IB and i. The kind of sugar present on the plasma membrane of RBCs is controlled by the gene. The allele IA and IB...
Total Views: 75
Posted By: Open E-School
Posted On: 2017-09-18
How is the child affected if it has grown from the zygote formed by an XX egg fertilized by a Y carrying sperm. What do you call this abnormality. Write any two symptoms of this abnormality.
Answer The genotype of the child is 44+XXY. The child is suffering from Klinefelter’s syndrome. Symptoms They are sterile males and have undeveloped testes, feminine pitched voice and sparse body h...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How is the presence of cyanobacteria in the paddy fields beneficial to rice crop.
Answer There is a great benefit of cyanobacteria  to the rice crops because cyanobacteria are photosynthetic  and so they add organic matter as well as extra nitrogen to the soil. Example Aulosira fe...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How does addition of a small amount of curd to fresh milk help in formation of curd. Mention a nutritional quality that gets added to the curd.
Answer Lactic acid bacteria i.e. Lactobacillus is added to the milk. It converts lactose sugar of milk in to lactic acid. It causes coagulation of milk protein casein. Milk is changed in to curd. Cur...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How is the action of exonuclease different from that of endonuclease.
Answer Exonucleases removes nucleotide from the terminal ends of the DNA either 5’ or 3’ in one strand of duplex whereas endonucleases make cuts at specific position within the DNA. They do not cleav...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How is DNA isolated in purified form from a bacterial cell.
Answer Lysozyme enzyme acts on the bacterial cell wall and dissolve it. The wall of bacteria is made up of peptidoglycan. Lysozyme acts by catalyzing hydrolysis of β-1,4 linkages of N-acetylglucosami...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
How is the length of the DNA usually calculated.
Answer Length of the DNA=Total number of base pairs x distance between two adjacent base pairs Example Total no. of base pairs in human DNA = 6.6x10-9 Distance between two adjacent base pairs = 0....
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12
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