Which of the following function is performed by the kidneys in the human body?
Excretion
Respiration
Digestion
Transportation
What is the name of a group of similar cells performing a specific function?
Tissue
Organ
Organ system
Cellular organization
Which among the following is not a connective tissue?
Blood
Bone
Skin
Cartilage
C.
Skin
Which of the following micro-organism causes diseases like polio and chicken pox?
Bacteria
Protozoa
Algae
Virus
Red data book contains data of which of the following?
All plant species
All animal species
All endangered species
All extinct species
Nephron is related to which of the following system of human body?
Circulatory system
Excretory system
Reproductive system
Respiratory system