Key Terms-Class 10-cbsebiology4u

Important terms & it’s definition | Class-10 | Biology | CBSE

Find all the important terms and their meaning for all the biology concepts in class-10 in a chapter-wise manner. Understand all the key concepts in textbook.

Our environment important terms - cbsebiology4u

Our Environment | Important terms & definitions | Class-10

Important terms with its meaning related to the chapter “Our Environment” from Class-X.

reproduction in organisms important terms - cbsebiology4u

How Do Organisms Reproduce? | Important terms & definitions | Class-10

Important terms with its meaning related to the chapter “How Do Organisms Reproduce?” from Class-X.

heredity and evolution important terms - cbsebiology4u

Heredity and Evolution | Important terms & definitions | Class-10

Important terms with its meaning related to the chapter “Heredity and Evolution” from Class-X.

Heredity and Evolution – Practice Questions | Class-X

VSA How do we come know that organisms had common ancestors? (2016) SA-I Is it necessary that the newly generated species is better than the older one? Explain by giving two points. (2014)

Management of Natural Resources – Practice Questions | Class-X

VSA What does the presence of Coliform bacteria in water indicate? (2015) Name any two wastes which can be recycled and reused. (2016) SA-I State the main purpose of water harvesting system and also mention the sources which fill the ponds behind harvesting structures. (2014) Compare reuse over recycling, a method for conservation of the…

Our Environment – Practice Questions | Class-X

VSA Write any two consequences if decomposers are removed from the ecosystem. (2014) Producers always occupy the first tropic level in any food chain. Justify the statement. (2014) Name the organism(s) belonging to fourth trophic level in the food chain comprising of: (2012) Snakes, Insects, Frogs, Plants, Hawks Name the chemical compound which depletes the…

How do Organisms Reproduce? – Practice Questions | Class-X

VSA Name the types of cells which undergo regeneration. (2016) Name the part of the embryo which gives rise to future shoot. (2015) How can the chromosomes be identified? (2014) Write the role of testes in male reproductive system. (2014)

Previous year questions - chapter wise - Class-X - cbsebiology4u

Chapter-wise Previous Year Questions: Class-X

How do Organisms Reproduce? Heredity and Evolution Our Environment Management of Natural Resources