GK-Biology Question and Answer
GK-Biology Question and Answer
11. One of the following is not a function of bones.
- Place for muscle attachment
- Protection of vital organs
- Secretion of hormones for calcium regulation in blood and bones
- Production of blood corpuscles
12. Plants absorb most part of water needed by them through their
- embryonic zone
- growing point
- root hairs
- zone of elongation
13. Photo-oxidation is
- photorespiration
- photolysis
- light and oxygen induced breakdown
- All of the above
16. Plant development is influenced by
- quality of light only
- quality and quantity of light
- quality and duration of light
- quality, quantity and duration of light
17. Prokaryotic cells lack
- nucleolus
- nuclear membrane
- membrane bound by organelles
- All of these
19. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
- Robert Hooke
- Robert Brown
- Rudolf Virchow
- Theodore Schwann
20. Primary phloem develops from
- lateral meristem
- protoderm
- extrastelar cambium
- provascular tissue