Which is the structural and functional unit of all living organisms ?
Plasma
Mitochondria
Reticulocytes
Cells
The absorption of mineral ions without the use of metabolic energy is called :
Active absorption
Passive absorption
Osmosis
Diffusion
Plants absorb water and minerals from the soil with the help of :
Leaf
Roots
Stem
Seed
A waxy layer lying over the epidermis of the leaf is called :
Lenticels
Cuticle
Stomata
Adenosine
Giving out excess water as water vapour is called as :
Respiration
Transpiration
Expiration
Inspiration
A plant cell differs from an animal cell in the presence of :
Cell membrane
Endoplasmic reticulum
Plasma membrane
Cell wall
Which is called the power house of the cell ?
Nucleus
Amyloplast
Cytoplasm
Give an example of an imbibant ?
Root
Wood
Stone
What is the name of green pigment present in leaves ?
Chlorophyll
Macrophyll
Neutrophyll
Basophyll
What is the meaning of term photosynthesis ?
Synthesizing food by light
Building up of plant
Building up of stem
Building up of root