Q. Another supercontinent has been expected to form in how many million years from now?

View solution

Q. How many million years ago did therapsids exist?

View solution

Q. Which of following is earth's youngest mountain range?

View solution

Q. Which of following does not belong to first three eons?

View solution

Q. For which of following incisor teeth are used?

View solution

Q. Over past 1.5 billion years how many times a supercontinent has been formed?

View solution

Q. Which of following is most likely to be genetic material?

View solution

Q. How many million years ago did late cynodonts exist?

View solution

Q. Layered rocks formed when prokaryotes bind thin films of sediments together is called

View solution

Q. Which of the following is released when a Hydrogen atom loses an electron?

View solution

Q. Which of the following is an example of amphoteric molecule?

View solution

Q. Acids that lose a proton easily are weak acids.

View solution

Q. What is the full form of pH?

View solution

Q. A solution having a pH of 6 has a proton concentration of _______

View solution

Q. What is the concentration of pure water?

View solution

Q. In presence of an acid, amino group can be ____________

View solution

Q. Buffers react with _______________ ions.

View solution

Q. Buffers usually contain ________________ with its conjugate ____________

View solution

Q. Carbonic acid and bicarbonate ions buffer which of the following?

View solution

Q. Heptoses are __________

View solution