Questions and answers on Heredity/Bio- X
1. Trait-A exists in 10% of a population of an asexually reproducing species and trait-B in 60%of the same population….
heredity
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Heredity, Its Physical Basis and Variations
Some specific characters are found in the parents of each species. These characters are transferred from generation to generation through the process of sexual reproduction.
Mendel’s Laws of Inheritance
On the basis of his experiments of hybridization Mendel proposed following rules of heredity-1. Law of dominance, 2. Law of iseggregation and , 3.Law of Independent Assortment.
Responsibilities of Industries and NGOs towards Environment
New Technologies are developed for improving and increasing industrial production. Similarly, new projects are formulated for providing energy to those industries.
Fern species that grow on old walls in
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.
Come! Protect Birds in Our Surroundings
A careful study and examination is necessary to understand the nesting behaviour of birds. Nests can be and should be studied only after the migration of birds. A scientific observation and careful study of nests reveals the secrets of the nesting concepts of these little architects (birds).
Joy of eating fried and roasted food items in Monsoon season
Fried and roasted food rush into our memory today because lock down has locked us inside. As a result the forgotten dishes are now being served on the table. Stuffed brinjal, stuffed lady’s finger, stuffed Shimla mirch, parval etc. taste double when fried. The maincourse items that were long banned in the kitchen are occupying their places on the dining table.
Questions and Answers on Reproduction Biology Class X
What is the importance of DNA copying in reproduction?
Protect Teens from Anxiety and Depression
Adolescence remains a critical phase of life. Extra efforts are to be put in managing teens especially in a disturbed period like spread of a pandemic when we have to remain indoors during a lockdown.
Occupations and Work
An activity that serves as one’s regular source of livelihood is called as occupation
Animal Shelters
An area or structure that protects animals from adverse conditions is called an animal shelter. Different kinds of animals need different types of shelters. Different kinds of animals and their shelters are mentioned here.
Kinds of animals and their shelters
Animals can be classified into terrestrial, arboreal, aquatic and amphibians.
Terrestrial Animals
Land animals are called as terrestrial animals. Some of these animals like lion, tiger, bears and bats live in rock caves. Illustration
Snakes live in ground, under rocks and in abandoned ant hills. Some snakes live insid
