Study the four statements (A-D) given below and select the two correct ones out of them: A. Definition of biological species was given by Ernst Mayr B. Photoperiod does not affect reproduction in plants C. Binomial nomenclature system was given by R. H. Whittaker D. In unicellular organisms, reproduction is synonymous with growth The two correct statements are

A lake which is rich in organic waste may result in

Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthes…

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from th…

When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?

During cell growth, DNA synthesis takes place in

A cell organelle containing hydrolytic enzymes is

The second overtone of an open organ pipe has the same frequency as the first overtone of a closed pipe \( L \) meter l…

The highest DDT concentration in aquatic food chain shall occur in

Match Column-I with Column-II and select the correct option using the codes given below: \begin{tabular} { | l | l | }…

Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?