Class 11 plays a major role in a student’s life. In CBSE class 11 biology, various important topics are introduced that are used to understand the higher concepts in class 12. It should be noted that questions from most of these topics are also included in the NEET exam.
To help the students prepare effectively for the short answer type questions, some important 2 marks questions for CBSE class 11 biology exam are given here.
Some important points are given below regarding 2 marks questions. Read these points and then check the questions.
- 6 questions are included in the short answer-I section i.e. 2 marks section.
- 1 question in this section includes an internal choice.
- 2 marks questions need to be short and to the point.
- The answer should be preferably written in 1 sentence.
- Writing too many irrelevant points are not considered while marking.
Students can also check important questions for class 11 biology and get various important questions from all the individual chapters.
Important 2 Marks Questions For CBSE Class 11 Biology Exam
What connects the left and right hemispheres of cerebrum? Name the four lobes into which each hemisphere is divided.
Differentiate between neurons and neuroglia.
Differentiate between heartwood and sapwood.
What are nuclear pores? State their function.
Differentiate loose and dense connective tissue.
Name the plant hormone that exists in gaseous form? Also, state its function.
Explain the structure and function of plasmodesmata with the help of a diagram.
What do you understand by hydrostatic skeleton?
What are the differences between runner and stolon.
What are micelles? Give their uses.
Draw the structure of
b) adenylic acid
Why there arises a need to classify organisms?
Distinguish between prostomium and peristomium.
Illustrate law of limiting factors with suitable examples.
Explain the role of Na-ion in the generation of Action potential.
What is respiratory quotient? What is its value for fats?
What are the important features of cnidarians?
What is Osmoregulation?
Name the enzymes of citric acid cycle present in inner mitochondrial membrane.
Highlight the significance of Juxta-glomerular apparatus (JGA) in kidney function? State in brief.
What is molecular homology? Explain with an example.
What is heterospory? Give two examples.
What are functions of the following:
(a) Body wall in earthworm
(b) Malpighian tubules
Who is called the Father of Taxonomy? Name any two other botanists who are known for their contribution to the taxonomy field.
What are the differences between diploblastic and triploblastic animals?
Why mitosis is called equational division?
What is water potential?
What is heterospory?
What is meant by modification of root?
What is placentation?
Write the differences between plant cytokinesis and animal cytokinesis.
Why the colour of a leaf kept in dark turns yellow or pale green from its original colour.
What is plasmolysis?
Write the differences between C3 and C4 pathway.
Write any two economic importances of algae.
The questions given here are from varied CBSE class 11 chapters and might be included in the exam too. It is also suggested to check CBSE question papers for class 11 biology to get acquainted with the type, pattern and difficulty of the questions generally asked in the class 11 exam.
Stay tuned with BYJU’S for more assistance on biology class 11 preparation.