A. chromosomes
B. pilli
C. plasmid
D. mesosome
Biology
Which of the following are connective tissues?
A. cartilage
B. bone
C. blood
D. all the above
Human brain contains……….neurons.
A. 10,000,00
B. 100,000,000
C. 100,000,000,000
D. 1000
Xylem and phloem are conducting tissues found in ……….?
A. animals
B. plants
C. micro orgamnisms
D. all the above
which of the following consists of the dead cells?
A. Parenchyma
Simple tissues and complex tissues are two groups of………tissues.
A. Meristematic
B. Permanent
C. Epidermal
D. Supporting
In plants there are…….basic types of tissues?
A. 2
B. 3
C. 4
D. None of these
which of the following gas discovered by Scheele?
A. chlorine
B. hydrogen
C. oxygen
D. carbon dioxide
Which of the following endoplasmic reticulum has no ribosome on its surface?
A. smooth
B. rough
C. both
D. all of above
Which of the following is a selectively permeable membrane?
A. cell wall
B. cytoplasm
C. cell membrane
D. none of these