Study the given diagram that shows an arrangement
of five bar magnets Which of the following shows the correct poles for X and Y?
Refer to the given figure and select incorrect statement regarding it.
A Site 1 has higher alpha diversity than site 2.
B Region Y has higher beta diversity than region X.
C Region X has high alpha diversity, lower beta diversity but higher gamma diversity than region Y.
D Region Y has lower alpha diversity, higher beta diversity and higher gamma diversity than region X.
Study the given experimental set-up carefully and choose the correct observation.
I. Bubbles are produced in the beaker.
II. Air in the empty bottle contracts.
III. Water from the beaker moves up the delivery tube.
A I only
B III only
C II and III only
D None of the observations is correct.
Read the given statements and select the correct option.
Statement 1 : If a body is thrown vertically upward from ground and air resistance is taken in account, then the time of ascent is less than the time of descent.
Statement 2 : Air resistance opposes the motion of the body.
A Both statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
B Both statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.