Amoeba is a :
Multicelled organism
Single - celled organism
Autotrophic organism
All
The branch of biology which specializes in the study of skin tissue is :
Cardiology
Neurology
Genetics
Dermatology
Propagation of a rose plant is through :
Flowers
Stem
Fruits
Roots
Animal that lives in water only:
Frog
Fish
Crocodile
Duck
The process of expelling waste from the organism is called :
Digestion
Ingestion
Excretion
Reflex Action
Binomial nomenclature is proposed by :
Charles Darwin
Carolus Linneus
Louis Pasteur
Carl Landsteiner
The plants which grow on land and need moderate amount of water are called :
Xerophytes
Pteridophytes
Hydrophytes
Mesophytes
The given figure shows a cactus plant. Which adaptation helps the plant to minimize loss of water?
Needle like leaves
Thick fleshy stem
Green stem
Deep roots
The device used to see the magnified image of cells are called :
Microscope
Telescope
Periscope
Spectroscope