Chapter 11: Organisms and Population - Online Test
Study the four statements
(1 to 4) given below and select the two correct ones out of them.
A) A lion eating a deer
and a sparrow feeding on grain are ecologically similar in being consumers.
B) Predator star fish
Pisaster helps in maintaining species diversity of some invertebrates.
C) Predators ultimately
lead to the extinction of prey species.
D) Production of
chemicals such as nicotine, strychnine by the plants is metabolic disorders.
Which two of the
following changes ( 1 to 4) usually tend to occur in the plain dwellers when
they move to high altitudes(3500 m or more)?
A) Increase in red blood
cell size
B) Increase in red blood
cell production
C) Increased breathing
rate
D) Increase in
thrombocyte count
Consider the following
four conditions (A-D) and select the correct pair of them as adaptation to
environment in desert lizards. The conditions:
A) Burrowing in soil to
escape high temperature.
B) Losing heat rapidly
from the body during high temperature
C) Bask in sun when
temperature is low
D) Insulating body due
to thick fatty dermis.
