Which one of the two, stenothemals or eurythermals, shows wide range of distribution on earth and why?

Which one out of the eurythermal or stenothermal species is likely to survive increased global temperature? Give example one reason for your answer.

Which one will show optical isomerism ?

ASSERTION TYPE QUESTIONS : These questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is correct explanation of Assertion B. If both Assertion and Reason are true but Reasou is not correct explanation of Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion : Plants have wider range of distribution which are distributed by spores. Reason: Spores are easily dissiminated by water.

Which one undergoes S_N2 substitution reaction faster and why ?

Which one of the following complexes shows optical isomerism?

Which of the two, an ammeter or a milliammeter, has a higher resistance and why?

Which of the two Ferrous or Ferric ion has larger magnetic moment and why ?

Which one is not a requirement of a binomial distribution?