Stomata Quiz Questions and Answers PDF Download - 317

There are extensive stomata on the upper surface of leaves in

1. geophytes
2. bryophytes
3. hydrophytes
4. xerophytes

The sporophyte is dominant and the gametophyte is small and reduced but separate as well as independent. This development shows heteromorphic alternation of generation

1. heteromorphic alternation of generation
2. automorphic alternation of generation
3. heteromorphic alternation
4. hypomorphic alternation of generation

The mammals which can stay under the ocean for more than two hours without coming up for air are

1. cetaceans
2. sea urchin
3. sea anemones
4. oceanic

During the travel of nerve impulse, across the cell membrane

1. lysosomes move
2. molecules move
3. ions move
4. atoms move

The inhabited part of the earth in which living organisms and non-living components co-exists is called

1. Ecosystem
2. Community
3. Biosphere
4. population