A. Lenticels
B. Guard cells
C. Hydathods
D. All of these
Related Mcqs:
- Tricuspid valve is present_____________?
A. Between right atrium and right ventricle
B. Between left atrium and left ventricle
C. At base of pulmonary artery
D. At base of aorta - A group of similar cells that perform a specific function is:
A. Organ
B. Tissues
C. Organelle
D. Organ System - What is the branch of biology in which structure and function of tissues are studied___________?
A. Cell Biology
B. Taxonomy
C. Histology
D. Morphology - Whone is not the function of endoplasmic reticulum?
A. Nerve impulse conduction
B. Transport of material
C. Mechanical support
D. Synthesis of conjugated molecules - The function of coelom is__________?
A. To increase the size of the animals
B. To help in the functioning of reproductive system
C. To provide space for the development of organs and systems
D. None of these - What is the function of synapse________________?
A. To allow nerve impulse to move in backward direction
B. To decrease the speed of nerve impulse
C. To stop the nerve impulse
D. To provide cytoplasmic connection between neurons. - Carotenoids perform protective function in_____________?
A. Animals
B. Plants
C. Both of these
D. None of these - The most important function of troponin is___________?
A. To bind with actin
B. To bind with tropomyosin.
C. To bind with Ca2+ ions.
D. All of these - branches of biology and medicine concerned with the structure and function of plant and animal cells is called___________?
A. Nephrology
B. Semiology
C. Orology
D. CytologySubmitted by: Rana Wasim Jamil
- The function of chrosomes of carrying genetic information from cell generation to another is performed by _________?
A. RNA
B. DNA
C. Histones
D. CalciumSubmitted by: Rashid Mehmood