Old Question Paper of Biology
Year: 2069 (2012) | Class : 11
For : Science Students
Biology (Botany + Zoology)
Candidates are required to give their answers in their own words as far as practicable.The figures in the margin indicate full marks.
Attempt all the questions. [7x1=7]
1. Answer in short on any seven.
(a) What is the message of Steward’s experiment?
(b) What do you mean by RER and SER ?
(c) Define suicidal bag.
(d) What does it mean by taxonomy?
(e) Write the name of bacteria on the basis of its shape.
(f) Define the function of leaf.
(g) Mention about sori.
(h) How do you mean autoecology ?
(i) State about predation.
(j) Elaborate climax community.
2. Describe in brief on any five. [5x3=15]
(a) Differentitate between DNA and RNA.
(b) Structure and functions of plastid.
(c) The process of meiosis I.
(d) Structure of Spirogyra.
(e) Importance of N2 cycle in nature.
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