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Biology 12 Chapter 16 - Support and Movements - 9
1.
What is True about Auxins?
All of these
Inhibit root growth
Inhibit shoot growth
Increase root growth
2.
Which of the following hormone is called growth inhibitors?
Auxins
Abscisins
Gibberellins
Ethane
3.
Which of the following hormone is called growth stimulators?
Auxins
Abscisins
Gibberellins
Ethane
4.
Which of the following hormone is responsible of epinasty?
Abscisins
Ethane
Auxins
Gibberellins
5.
Which of the following hormone is responsible of hyponasty?
Gibberellins
Ethane
Abscisins
Auxins
6.
In protozoa skeleton is secreted by?
Single cell
Skin cells
None
Specialized cells
7.
Which of the following is Not true about skeleton?
It is tough and rigid
Provides protection
Its cells are non-living
Gives shap and support
8.
Which of the following are the type of skeleton in animals?
All of these
Endoskeleton
Hydrostatic skeleton
Exoskeleton
9.
In which of the following skeleton fluid filled gastrovascular cavity found?
Exoskeleton
None
Hydrostatic skeleton
Endoskeleton
10.
In which of the following animal Hydrostatic skeleton is Not found?
Sea anemone
Vertebrates
Annelids
Earthworm
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