Biology questions
20584 published questions with worked solutions.
- There are special enzymes that help to open up DNA double helix in front of the replication fork. These enzymes are [MHTCET 2003]
- In DNA, when AGCT occur, their association is as per which of the following pair? [MHTCET 2001]
- In a given DNA segment, the number of nucleotides of guanine is 75 and those of thymine is 75. The total number of nucleotides in...
- New strand on a DNA template is initiated by [MHTCET 2023]
- The earth is presumed to have originated about _______ years ago
- Panspermia theory was given by
- The origin of life on the earth is also called
- According to Oparin and Fox, which biomolecules are said to be the fore-runners of the first form of life on earth?
- According to cosmozoic theory,
- According to the “Theory of special creation”
- What inference was made based on Urey-Miller’s experiment?
- Sydney Fox heated the amino acids which polymerized into protein-like droplets called
- Meteorites struck the barren earth and cosmozoa was released which helped in the development of creatures. This was explained by
- According to the “Biochemical origin of Life” theory,
- The accepted model of protobiogenesis suggests that the information in the first organism flowed from
- Molecular evolution was formulated by
- The nucleic acid along with inorganic and organic molecules formed the first form of life called
- The Theory of special creation was proposed by
- The theory of panspermia is also called
- What is true about mutation?