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Name the components of xylem and phloem?
why is spleen called the blood bank in our body?
List any 6 differences between Xylem and Phloem???
Which two organelles of a cell contain their own genetic material ? What will happen if the organisation of a cell is destroyed due to some physical or chemical influence.
mind map of types of tissues
structure , function, location of parenchyma, collenchyma, sclerenchyma, xylm and phylomen tissue ???????
1.) which protein is responsible for the contraction and relaxation of muscles ?
2.) what is the other name of involuntary and voluntary muscles ?
DRAW THE LABELLED DIAGRAM OF PARENCHYMA, COLLENCHYMA AND SCLEVENCHYMA. WRITE THE DIFFERENCE BETWEEN THEM?
NAME THE MERISTAMATIC TISSUE THAT IS RESPONSIBLE FOR THE TRANSFORMATION OF STEM OF A PLANT TO A TRUNK WHEN IT GROWS INTO A TREE
Differentiate between Parenchyma and Sclerenchyma in a Tabular Form?
What is the location of parenchyma, sclerenchyma, collenchyma in plant?
easy diagram of xylem and phloem
give difference between plant n animal tissues............
What will happen if Apical Meristem is damaged or cut?
why is blood considered a connective tissue?
To prepare a mount of human cheek cell, the sample is collected from
A) Outer side of cheek with a blade B) Inner side of cheek with blade
C) Outer side of cheek with a tooth pick D) Inner side of cheek with a tooth pick
what are the constituents of phloem ?
Lysosomes are known as " suicidal bags " because of
(a) catalytic activity
(b) hydrolphytic activity
(c) parasitic activity
(d) saprophytic activity
difference between Xylem and Phloem
State the characteristics of collenchyma tissue?
Intercellular spaces are absent in sclerenchymatous tissues. Give reason
Differentiate between striated, unstriated and cardiac muscles based on their structure (shape, nucleus, striations),location. Support your answer with diagrams
what advantage do pla nts get by having mostly dead cells?
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.Give reason.
Normally in the process of osmosis, the net flow of water molecules in or out of the cell depends upon difference in the
1. Concentration of water molecules inside and outside the cell
2. Concentration of enzymes on either side of the cell membrane
3. Rate of molecular motion on either side of the cell membrane
4. Rate of movement of insoluable molecules inside the cell
Pl. tell me which is correct option on the above with detail explanation
The only plant cells without nucleus among the following are:
(a) Cambium cells (b) Xylem vessel elements
(c) Root Hairs (d) Sieve tubes
Explain the structure of neuron with the help of a labelled diagram
we can bend the cartilage pf our ears but cannot bend the bones of our arms . why?
What is the difference between tendons and ligaments?
what are the difference between plant tissues and animal tissues?
State the location and function of columnar epithelium? where and how is it modified ? write its function of this modified tissue.
Branches of a tree move and bend freely in high wind velocity. Why ??
If sclerenchyma cells are dead then do they have a nucleus or a vacuole ?
Water hyacinth floats on water surface. explain
1. Which of the following is the correct statement for parenchyma cells-
a. Intercellular spaces are generally absent.
b. Intercellular spaces are generally present.
c. They provide mechanical support to the plants.
d. None of these.
2. Which of the following plant tissues do not possess living protoplasm at maturity?
3. You are shown two slides of plant tissues: parenchyma and sclerenchyma. You can identify the sclerenchyma by the :
a. Location of nucleus
b. Thickness of cell wall
c. Size of the cell
d. Position of the vacuoles
4. A permanent slide shows thin walled isodiametric cells with large vacuole. The slide contain:
a. Parenchyma cells
b. Nerve cells
c. Collenchyma cells
d. Sclerenchyma cells
5. The given slide contains cylindrical muscle fibres which are striated. The slide is of:
a. Voluntary muscles
b. Involuntary muscles
c. Cardiac muscles
d. Visceral muscles.
6.If teacher asked you to select the slide showing collenchyma cells from a slide box containing a few unlabeled slides. Which of the following would help you to correctly identify the slides?
a)Structure of the cells as seen under low power of the compound microscope.
b)Observing the slide with the help of a simple microscope
c)A colour of the material on the slide
d)None of the above
7.The longest cell of human body is ______________.
a)Epithelial cells b)Muscle cells
c)Nerve cells d)Bone cells
8.Which of the following is a voluntary muscle?
a)Non - striated b)Striated
c)Cardiac d)None of the above
please provide a labeled diagram of nerve cell ( specially " cyton " )
Name seven types of cells found in stem of sun flower
Diffrentiate between sclerenchyma fibres and sclereids???
write one term for each:
a) that joins muscles to bone.
b) fat resorvoir of our body
c) supporting, fills the space inside the organs, and heplsin repair of tissues
why do meristematic tissues lack vacuoles?
We get a crunchy and granular feeling when we chew pear fruit. Why ??
What is the difference between-
i.Tracheids and vessels
ii.Sieve plates and sieve tubes
A student on adding a solution X to rice extract, observed the conversion of colour of solution to blue black. Identify the compound X.
(a) Bromine solution (b) Iodine solution (c) Distilled water (d) Salt solution
A student while observing a human cheek cell could not observe — (a) Nucleus (b) Mitochondria (c) Nucleolous (d) Chloroplast
why does a desert plant have thick coating of cutin on the outer surface of epidermis?
what are the most important diagrams of chapter tissue?
Write a note on meristematic tissue? Draw diagram showing the location of various meristemsin a plant
three features of cardiac muscles.
Why is it difficult to pull out the husk (fiber like thing on its covering) of a coconut tree?
Which tissue make sthe plant hard and stiff and what is the unique property of this tissue?
what is aerenchyma ? state its functions.
why blood is called fluid connective tissue?
what is vascular cambium and cork cambium?
difference between three types of muscles fibres.
write three significant points about sclerenchyma
explain the location,structure and function of meristematic tissue in plant body with a labelled diagram.
tissue found in area of regular wear and tear is
functions of chlorenchyma?
Why nare 'simple permanent tissues' called so?
a) bone and cartilage
b)tracheids and vessels
c)tendon and ligament
d)axon and dendron....
how is meristematic tissue classified on the basis of its location?
Animals of colder regions and fishes of cold water have thick layer of subcutaneous fat.Explain why?
What does "prominent nucleus" mean ?
PLEASE PROVIDE A TABLE OF DIFFERENCES BETWEEN PARENCHYMA, SCLERENCHYMA AND COLLENCHYMA.
flowchart about diffrent types of tissues
difference between epidermis and cork
State similarities between parenchyma,collenchyma and sclerenchyma? PLEASE reply as soon as posssible:)
what is animal tissue and its all parts?explain
why do meristematic tissues contain dense cytoplasm
the simple permanent tissue are divided into 3 types of tissue PARENCHYMA , COLLENCHYMA and SCELENCHYMA .. what are the differences between theM?>
list two characteristics of cork cells which help them to function as protective tissue.
why does the growth of plants occur in specific region?
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