Showing posts from 2019

Neural control and coordination: Previous Year Questions Part 3

NEURAL CONTROL AND COORDINATION MARCH 2016 1.       Observe the diagram carefully and answer the following questions.                                                                    (3)

Evolution: Previous Year Questions Part 2

EVOLUTION 2013 MARCH 1.       Arrange the following examples under two heads viz- homologous organs and analogous organs.              (Score: 2)

Evolution: Previous Year Questions Part 3

EVOLUTION 2016 MARCH 1.       Which theory talks about the huge explosion that leads to origin of universe?                  (Score: 1)

Environmental issues: Previous Year Questions Part 1

ENVIRONMENTAL ISSUES 2010 MARCH 1.      Destruction of forest leads to the increase of CO 2 in atmosphere. Recently Govt. of India instituted an award for individuals or communities from rural areas that shown ex…

Environmental issues: Previous Year Questions Part 2

ENVIRONMENTAL ISSUES 2013 MARCH NO QUESTIONS 2013 SAY 1.      In a study conducted, the concentration of DDT found to increase in the successive trophic levels. The result of the study is shown below.

Organisms and populations: Previous Year Questions Part 1

ORGANISMS AND POPULATIONS 2010 MARCH 1.      Given below is a table which shows the interspecific interaction. ‘+’ sign indicates beneficial, ‘-‘ sign indicates detrimental and ‘0’ indicates neutral.

Reproduction in organisms: Previous Year Questions Part 3

REPRODUCTION IN ORGANISMS 2016 MARCH 1.      When a gamete without any fusion develop into a new organism the phenomenon is called a)      Syngamy                       (b)    External fertilization

Animal Kingdom: Previous Year Questions Part 3

ANIMAL KINGDOM 2016 MARCH 1.       The characteristic features of an invertebrate is given. “The phylum includes the comb jellies, also called walnuts. They are noted for their bioluminescence and comb plates.” Identify…

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