Question 1) Describe the following :
a) Stratosphere.
b) Precipitation.
c) Mutualism.
d) Demography.
e) Biosphere.
f) Tundra.
g) Benthos.
h) Homeothermic.
i) Mesozoic era.
j) Deletion.
k) Isolation.
l) Micro evolution.
m) Darwin’s finches.
n) Batesican mimicry.
o) Australopithecus
Question 2)(a) Explain the formation of soil.
(b) Write the account on Shlfords’ law of tolerance.
Question 3)(a) Explain the energy flow in an ecosystem.
(b) Distinguish food chain and food web.
Question 4)(a) Describe fossorial adaptation.
(b) Explain cusorial adaptation.
Question 5)(a) Explain Alfred Russel Wallace concept of evolution.
(b) What is macro evolution? Describe with examples.
Question 6)(a) Describe cryptic odoration in detail.
(b) Write the account on evolution of primates.
Question 7) Explain water as a limiting factor.
Question 8) Explain the structure and functions of a lake ecosystem.
Question 9) Describe flight adaptation of a bird.
Question 10) Describe Lamarck’s concept of evolution.
Question 11) Write the essay on genes in population.