Biology NEB 2074 (old course) question paper

4 questions · 4 with worked answersSit this paper (timed)

National Examinations Board (+2)

+2 Science (Class 11 and 12)

Class 11 · NEB 2074 (old course)

Course Title: Biology (Bio)

Full Marks: 75Pass Marks: 27Time: 3 hrs

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Group A

Botany(?)

  1. 3.

    Define alternation of generation and discuss the process with special reference to life cycle of Fern. OR Describe the family Leguminosae in semitechnical terms with identifying characters, floral diagram and floral formula with two examples of economic value.

    8
  2. 4.

    What is ecosystem? Discuss in detail about the main components of ecosystem with suitable examples. GROUP: B | Zoology | ?

    8

— The End —