Last seen: Jan 25, 2021
Sclerenchyma (fibres) makes up the husk of coconut.
Apical meristem occurs at root and stem tips.
There are three types of simple tissues. These are: parenchyma, collenchyma and sclerenchyma.
The utility of tissues in multicellular organism is given below: (i) Division of labour: Tissues bring about division of labour in multicellular org...
A tissue may be defined as a group or collection of similar or dissimilar cells that perform or help to perform a common function and have common orig...
(a) We can separate the rotten eggs by dipping them in water. The eggs that will float in water are rotten eggs and the one that sinks are good one. ...
(a) On drinking sally water, exosmosis in the intestine will cause dehydration and vomiting. (b) The movement of water molecules through a permeabl...
(a) Fingers wrinkled because the cells of the skin lost some water. (b) This happened because of the difference in the concentration of water in th...
(a) On sprinkling of some salt on the salad, the salad will release water. (b) The salt outside the salad acts as hypertonic solution as it has les...
(a) Cell wall (b) Smooth endoplasmic reticulum (c) Mitochondria (d) Golgi apparatus (e) Chromoplast
Diagram of animal cell. 2s.png
Diagram of plant cell and label its parts. 2s.png
Prokaryotic Cell 1. Size : 0.5-5 μm diameter. 2. Nucleus: No true nucleus, single chromosome, nuclear membrane absent. 3. Organelles: Membrane-b...
Plant Cell 1. Size is usually larger than animal cell. 2. Cell wall present. 3. Plastids are present. 4. Vacuoles are large in number and bigg...
Cells of human body 2s.png
Gene is a segment of DNA. They are located on chromosomes in linear fashions. One gene may perform one or more function. Genes are carrier of genetic ...
Mitochondria is known as powerhouse of the cell because they store energy in the form of ATP. [Adenosine Triphosphate]
The endoplasmic reticulum helps in the manufacture of proteins and fat molecules or lipids which are important for the cell function. These proteins a...
(a) Plasma membrane: It is a thin membrane which controls the passage of materials in and out of the cell. It is also called as selectively permeable ...
Plant cells attain turgidity and rigidity due to the more number of vacuoles as well as large-sized vacuoles help the plant cells to withstand the wea...