The structural unit of a living being is :
Organs
Muscles
Skin
Cell
The organ system responsible for thinking and intelligence in man is :
Blood Circulatory System
Digestive System
Respiratory System
Nervous System
Binomial nomenclature is proposed by :
Charles Darwin
Carolus Linneus
Louis Pasteur
Carl Landsteiner
The green pigment present in the plants which help in the synthesis of food is :
Chlorophyll
Keratin
Serotonin
Haemoglobin
Animal that lives in water only:
Frog
Fish
Crocodile
Duck
The groups of cells which perform a particular function are called :
Tissue
Organ
Organ System
Molecule
Study the given table. Which of the following examples is incorrectly classified?
Leather
Cup
Mutton
Goat
Amoeba is a :
Multicelled organism
Single - celled organism
Autotrophic organism
All