Biology Class XI Sample Question | Neb Hseb Notes

Biology Class XI Sample Question

Answer Group “A” & Group “B” in separate papers Group “A” 1. Answer very briefly (any five).                           [5×1=5] ...

Answer Group “A” & Group “B” in separate papers



Group “A”

1. Answer very briefly (any five).                           [5×1=5]

Name the analogous organ.
What is cholesterol?
Give two characters of sporozoa.
Why Paramecium never gets old?
What are the differences between upright and inverted pyramids?
What is typhlosole?
Give two acquired characters with examples.
2. Describe Darwin’s theory. [7.5]



Group “B”



1. Answer very briefly (any five).                                       [5×1=5]

a) What is conservation?

b) Write the function of heterocyst in Nostoc.

c) What is protonema?

d) Give the important chemical components of virus.

e) What is mycorrhizal root?

f) Mention, three positive values of fungi.

g) Name, kind of stamens in family compositae.

Give the distinguishing features of Solanaceae family with its floral formula and floral diagram. Also mention three economically important plants of this family.                             [7.5]


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Neb Hseb Notes : Biology Class XI Sample Question
Biology Class XI Sample Question
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