List of top Questions asked in UP Board XII

How many codons are there in genetic codes?
What is the unit of genetics?
Write the full form of MTP and ZIFT.
Name the cells providing nutrition to the sperms.
Which enzyme cuts the DNA at specific site?
The vector of Dengue (Break bone) fever is:
Which one of the following is a detritivore?
The function of tapetum layer is to:
What do you understand by Australopithecines?
What do you understand by Darwinism?
Write short notes on Physical barrier and Cellular barrier.
Comment upon Law of Segregation.
What is Cancer? Mention its prevention and cure.
Explain monohybrid and dihybrid test cross.
Comment upon homology.
What is sewage?
What steps have been taken by the Government to conserve wildlife?
Write the chemical equation for the reactions of chlorine with (i) sulphur dioxide, and (ii) turpentine oil.

‘पंचलाइट’ कहानी का सारांश लिखिए।

Define the biodiversity hotspot.
What was the vow of the Maharaja? How did he fulfil it and what danger did he face?
Change any one of the following into indirect speech: (i)He said, "We cannot be quite happy in this life.”
What do you infer from Sam’s letter to Charley in the story, The Third Level?
If the sequence of Nitrogenous bases in one strand of DNA-helix is 5'-ATGCATGCATGCATGC-3' then what will be the sequence of nitrogenous bases in the complementary strand of that DNA helix in 3' $\to$ 5' direction?
The phrase ‘hold good’ means: