Question

13:In plants, which type of dermal tissue behaves similar to lungs in animals?
A:Cork cells.
B:Roots.
C:Epidermal cells.
D:Guard cells.
14:Which of the following is an example of a voluntary muscle?
A:Intestines.
B:Heart.
C:Bicep.
D:Stomach lining.
15:Smooth and cardiac muscle are involuntary muscles that cannot be consciously controlled.
A:true
B:false

16:Microvilli are finger-like projections from many, but not all, cells that need to absorb material. Which of the following are the most likely to have microvilli?
A:Cardiac muscle cells.
B:Epithelial cells lining the small intestine.
C:No option is correct.
D:Epithelial cells lining arteries.

Answer 1

13. D. Guard cells.

Guard cells are type of plant cells located in the epidermis of leaves and stem. These cells are involved in the exchange of gases in plants just like lungs in animals.

14. D. Biceps.

Biceps are the type of striated muscles which are involuntary in nature and their contraction is under the control of an individual.

15. A. True.

Involuntary muscles cannot be controlled by an individual and smooth and cardiac muscles comes into this category.

16. Epithelial cells lining the small intestine.

Epithelial cells in small intestine contain abundant microvilli and these cells perform the process of absorption of food by the help of these microvilli.