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Human skeleton is an example of
- endo skeleton
- exo Skelton
- hydrostatic skeleton
- none
- N/A
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Answer: A Explanation: -
Suportive cells in plants
- collenchymatous cells
- sclerenchymatous cells
- parenchyma cells
- both a and b
- N/A
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Answer: D Explanation: -
In animals support providing structure are
- muscles
- cartilage
- bones
- All
- N/A
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Answer: D Explanation: -
Functions of stem in plants
- support
- supply line b/t aerial parts and roots
- both a and b
- none
- N/A
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Answer: C Explanation: -
Internal hydrostatic pressure in plants
- turgor pressure
- water tenshion
- osmotic pressure
- transpirational pull
- N/A
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Answer: A Explanation: -
scelerenchyma cells contain high amount of
- cellulose
- lignin
- pectin
- cutin
- N/A
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Answer: B Explanation: -
Collenchyma and sclerenchyma are found in
- xylem
- cortex
- petals
- All
- N/A
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Answer: D Explanation: -
The major mechanical stress faced by terrestrial plants
- wind
- animals
- chemical
- All
- N/A
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Answer: A Explanation: -
Resistance to wind stress and weight bearing ability to stem is provided by
- presence of zylem in ring
- tough and inextensible xylem
- both a and b
- none
- N/A
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Answer: C Explanation: -
In sunflower plant the vascular bundles are strengthen by
- additional sclerenchyma
- bundle cap
- bundle sheath
- both a and b
- N/A
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Answer: D Explanation: