The absorption of mineral ions without the use of metabolic energy is called :
Active absorption
Passive absorption
Osmosis
Diffusion
Organism which synthesizes its own food is called :
Heterotrophs
Autotrophs
Multitrophs
Centritrophs
What is the name of green pigment present in leaves ?
Chlorophyll
Macrophyll
Neutrophyll
Basophyll
A plant cell differs from an animal cell in the presence of :
Cell membrane
Endoplasmic reticulum
Plasma membrane
Cell wall
Gases such as O2, CO2 and minerals move into or between the cells by :
Ultrafiltration
Imbibition
Movement of a plant part in response to light is called as:
Phototropism
Thermotropism
Phototherapy
Geotropism
Which is called the power house of the cell ?
Nucleus
Amyloplast
Mitochondria
Cytoplasm
Organisms which are not able to synthesize their own food are called :
Saprophytes
Parasites
Give an example of an imbibant ?
Leaf
Root
Wood
Stone
What is the meaning of term photosynthesis ?
Synthesizing food by light
Building up of plant
Building up of stem
Building up of root