Criticise the statement that the cells of Protista are simpler than those of the higher plants or animals.

which does not occur in the cells of higher plants

The second ionisation enthalpy of the elements of group 1 are higher than those of elements of group 2 . Explain.

The second ionisation enthalpies of both Cr and Cu are higher than those of the next element. Explain.

Go through the following statements (i) As smaller animals have the higher metabolic rate, their heart rate is higher than that of the larger animals (ii) Systoles of artria and ventricles never overlap while their diastoles always partly overlap. (iii) Cardiac cycle time is inversely proportional to the heart rate Which of these are correct ?

Boiling points of ketones are higher than those of the isomeric aldehydes. Assign reason.

Net rate of respiration is higher than that of photosynthesis. The plant will

Account for the fact that second ionization energies of both Cr and Cu are higher than those of the next element.

The scientist who created the group protista for both unicellular plants and animals is

Read the two statements , a and b Statement a. the number of mitchondria are common to the cell Statement b. Mitochondria are common to both plant and animal cells. Choose the correct option from those given

Higher plants differ from animals in having