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Exam Year:
2001
Which organelle in the cell, other than nucleus, contains DNA
Epiphytes are plants which depend on other plants for
Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.
The cellular and molecular control of programmed cell death is known as
Consider the following statements with reference to the Periodic Table of chemical elements : I. lonisation potential gradually decreases along a period. II. In a group of elements, electron affinity decreases as the atomic weight increases. III. In a given period, electronegativity decreases as the atomic number increases. Which of these statement(s) is/are correct
Quartizite is metamorphosed from
Which of the following cell organelles play the most significant role in protein synthesis
An aqueous solution of copper sulphate is acidic in nature because the salt undergoes
In an atom, the order of filling up of the orbitals is governed by
Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons