May 27, 2019
Group the following as nitrogenous bases and nucleosides
Adenine, Cytidine, Thymine, Guanosine, Uracil, and Cytosine.
Solution: Nitrogenous bases present in the list are adenine, thymine, uracil, and cytosine. Nucleosides present in the list are cytidine and guanosine.
If a double-stranded DNA has 20 percent of cytosine, calculate the percent of adenine in the DNA.
May 27, 2019
Mention the advantages of selecting a pea plant for the experiment by Mendel.
Solution: Mendel selected pea plants to carry out his study on the inheritance of characters from parents to offspring. He selected a pea plant for the following features:
- Pea plant has many visible contrasting characters such as tall/dwarf plants, purple/white flowers, etc.
May 22, 2019
What do you think is the significance of reproductive health in a society?
Solution: Reproductive health is the total well-being in all aspects of reproduction. It includes physical, emotional, behavioral, and social well-being. AIDS, gonorrhea, etc. are sexually transmitted diseases transferred from one individual to another through sexual contact.…Read More
March 18, 2019
In this article, you will find Class 11 Maths NCERT solutions in PDF format. These are notes thoroughly organized by HashLearn teachers making it ideal for exams like JEE & other state engineering exams, CBSE and ICSE Board exams.…Read More
March 8, 2019
In this article, you will find NCERT solutions for Class 12 Physics in PDF format available for download. These notes will help in your preparation for exams like JEE & other state engineering exams, NEET, JIPMER, AIIMS, CBSE and ICSE Board exams.…Read More
March 6, 2019
NCERT books are issued by CBSE every year detailing the curriculum and are referred to at one point or another by every student in his/her 12 years of schooling. NCERT books are fundamental for entrance exam preparations, they provide in-depth knowledge and conceptual clarity. …Read More
March 4, 2019
Students preparing for various competitive exam often dive directly into the subject without having a look at the syllabus first. A deep understanding of the syllabus can help with familiarizing the subject, understanding its depth, difficulty level and so on. Hence, the first step in your preparation process is to have a deep understanding of the syllabus. …Read More
February 27, 2019
We see students struggling with the endless syllabus while preparing for an entrance exam. Since not knowing where to focus on has become a serious issue we’ve decided to save you from that hassle. In this article, you will find Class 11 physics handwritten notes as downloadable PDFs, these high-quality NCERT handwritten notes for Class 11 Physics are from HashLearn teachers.…Read More
January 17, 2019
The CBSE boards are just around the corner. While we hope you have made use of your time before this, here is a general idea of what you should be doing in the last phase!
The NCERT books are what you need. …Read More
December 26, 2018
The Central Board of Secondary Education (CBSE) conducts its board exams for classes X and XII from the month of February onwards. Exam anxiety is very real and much expected. Here is a list of pointers that can help you tackle the exams with panache.…Read More