4021: Which one of the following is the best description of the term 'ecosystem'?
(a) A community of organisms interacting with one another.
(b) That part of the Earth which is inhabited by living organisms.
(c) A community of organisms together with the environment in which they live
(d) The flora and fauna of a geographical area
4022: What is 'Greased Lightning-10 (GL-10)', recently in the news?
(a) Electric plane tested by NASA
(b) Solar-powered two-seater aircraft designed by Japan
(c) Space observatory launched by China
(d) Reusable rocket designed by ISRO
4023: Which one of the following lakes forms an international boundary between Tanzania and Uganda ?
(a) Chad
(b) Malawi
(c) Victoria
(d) Zambezi
4024: Which one of the following statements regarding the election of the President of India is correct?
(a) A candidate securing the majority of votes is not automatically elected.
(b) The Supreme Court has no jurisdiction in any doubt or dispute arising in connection with the election of the President.
(c) The Presidential election cannot take place when one or more State Assemblies stand dissolved because all the State Assemblies form part of the electoral college.
(d) The total value of the votes allotted to both Houses of Parliament is much more than the total value of the votes of all the States taken together.
4025: Which one of the following can be prorogued but cannot be dissolved ?
(a) Rajya Sabha
(b) State Council
(c) Municipal Corporation
(d) Governing Council in a Union Territory