Biology - Questions (Section-1)
13Most highly intelligent mammals are
A. whalesB. dolphins
C. elephants D. kangaroos
View Answer
14Photo-oxidation is
A. photorespirationB. photolysis
C. light and oxygen induced breakdown D. All of the above
View Answer
15Plant development is influenced by
A. quality of light onlyB. quality and quantity of light
C. quality and duration of light D. quality, quantity and duration of light
View Answer
16Plants absorb most part of water needed by them through their
A. embryonic zoneB. growing point
C. root hairs D. zone of elongation
View Answer
17Process of cell division can take place by
A. heterosisB. fusion
C. mitosis D. None of these
View Answer
18Prokaryotic cells lack
A. nucleolusB. nuclear membrane
C. membrane bound by organelles D. All of these
View Answer