A tissue is a group or collection of similar cells which work together to achieve a particular function and have common origin. Blood, phloem and muscles are ail examples of tissues.
A tissue is a group or collection of similar cells which work together to achieve a particular function and have common origin. Blood, phloem and muscles are ail examples of tissues.
(a)They are undergoing divisions (by mitosis) and do not store food. (b) They have lignified walls and form bundles for mechanical function. (c) It has stone cells or sclereids. (d) Collenchyma provides them flexibility. (e) Sclerenchyma fibres are tightly packed.
(a)They are undergoing divisions (by mitosis) and do not store food.
(b) They have lignified walls and form bundles for mechanical function.
(c) It has stone cells or sclereids.
(d) Collenchyma provides them flexibility.
(e) Sclerenchyma fibres are tightly packed.
Water hyacinth (Eichornia crassipes) has spongy petioles which enclose a lot of makes the plant lighter than water so that it is able to float on surface of water.
Water hyacinth (Eichornia crassipes) has spongy petioles which enclose a lot of makes the plant lighter than water so that it is able to float on surface of water.
What is a tissue?
A tissue is a group or collection of similar cells which work together to achieve a particular function and have common origin. Blood, phloem and muscles are ail examples of tissues.
A tissue is a group or collection of similar cells which work together to achieve a particular function and have common origin. Blood, phloem and muscles are ail examples of tissues.
See lessGive reasons for: (a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles (b) Intercellular spaces are absent in sclerencymatous tissue (c) We get a crunchy and granular feeling when we chew pear fruit (d) Branches of a tree move and bend freely in high wind-velocity (e) It is difficult to pull out the husk of coconut.
(a)They are undergoing divisions (by mitosis) and do not store food. (b) They have lignified walls and form bundles for mechanical function. (c) It has stone cells or sclereids. (d) Collenchyma provides them flexibility. (e) Sclerenchyma fibres are tightly packed.
(a)They are undergoing divisions (by mitosis) and do not store food.
See less(b) They have lignified walls and form bundles for mechanical function.
(c) It has stone cells or sclereids.
(d) Collenchyma provides them flexibility.
(e) Sclerenchyma fibres are tightly packed.
Water hyacinth floats on water surface. Explain.
Water hyacinth (Eichornia crassipes) has spongy petioles which enclose a lot of makes the plant lighter than water so that it is able to float on surface of water.
Water hyacinth (Eichornia crassipes) has spongy petioles which enclose a lot of makes the plant lighter than water so that it is able to float on surface of water.
See lessFill in the blanks: Phloem transports ……… from ………to other parts of the plant.
Phloem transports Food from leaves to other parts of the plant.
Phloem transports Food from leaves to other parts of the plant.
See lessFill in the blanks: Xylem transports ……… and…….from soil.
Xylem transports Water and minerals from soil.
Xylem transports Water and minerals from soil.
See less