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Name the components of xylem and phloem?
what would happen if a plant lacks of meristem tissue?
why is spleen called the blood bank in our body?
List any 6 differences between Xylem and Phloem???
Lysosomes are known as " suicidal bags " because of
(a) catalytic activity
(b) hydrolphytic activity
(c) parasitic activity
(d) saprophytic activity
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.
why does the growth of plants occur in specific region?
structure , function, location of parenchyma, collenchyma, sclerenchyma, xylm and phylomen tissue ???????
What is the location of parenchyma, sclerenchyma, collenchyma in plant?
DRAW THE LABELLED DIAGRAM OF PARENCHYMA, COLLENCHYMA AND SCLEVENCHYMA. WRITE THE DIFFERENCE BETWEEN THEM?
Differentiate between Parenchyma and Sclerenchyma in a Tabular Form?
easy diagram of xylem and phloem
What does "prominent nucleus" mean ?
give difference between plant n animal tissues............
what are the difference between plant tissues and animal tissues?
What will happen if Apical Meristem is damaged or cut?
why is blood considered a connective tissue?
state true or false:
1.Voluntary muscles control the iris of the eye
2.epithaleal cells have a lot of intercellular spaces
what are the constituents of phloem ?
difference between Xylem and Phloem
name the long, cylindrical process arising from the cyton of a neuron.
State the characteristics of collenchyma tissue?
why does parenchyma have large intercellular space?
Intercellular spaces are absent in sclerenchymatous tissues. Give reason
mind map of types of tissues
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.Give reason.
What are tissues ? Give importance of tissue
The only plant cells without nucleus among the following are:
(a) Cambium cells (b) Xylem vessel elements
(c) Root Hairs (d) Sieve tubes
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
Differentiate between striated, unstriated and cardiac muscles based on their structure (shape, nucleus, striations),location. Support your answer with diagrams
expand DNA?in which part of a cell itis found.state it function.
Explain the structure of neuron with the help of a labelled diagram
UMA STARTED WALKING FAST WHEN SHE NOTICED THAT SOME UNKNOWN FACES ARE FOLLOWING HER. NAME THE TWO TYPES OF TISSUES WHICH FACILITATED THE MOVEMENT OF HER LEG BONES IN RESPONSE TO THE STIMULUS.
What is the difference between tendons and ligaments?
What dose word 'chyma' means?
Branches of a tree move and bend freely in high wind velocity. Why ??
Water hyacinth floats on water surface. explain
While doing work and running, you move your organs like hands, legs etc.
Which among the following is correct?
(a) Smooth muscles contract and pull the ligament to move the bones
(b) Smooth muscles contract and pull the tendons to move the bones
(c) Skeletal muscles contract and pull the ligament to move the bones
(d) Skeletal muscles contract and pull the tendon to move the bones
please provide a labeled diagram of nerve cell ( specially " cyton " )
Diffrentiate between sclerenchyma fibres and sclereids???
which part of neuron recieves impulse and which part takes it away from neuron
State similarities between parenchyma,collenchyma and sclerenchyma? PLEASE reply as soon as posssible:)
why do meristematic tissues lack vacuoles?
TAKE 2 GLASS JARS AND FILL THEM WITH WATER. NOW TAKE TWO ONION BULBS AND PLACE ONE ON EACH JAR. OBSERVE THE GROWTH OF ROOTS IN BOTH THE BULBS FOR FEW DAYS. MEASURE THE LENGTHS OF ROOT ON DAY 1 , 2,AND3 . ON DAY 4 CUT THE ROOT TIPS OF THE THE ONION BULB IN JAR 2 BY 2 CM. AFTER THIS OBSERVE THE GROWTH OF BOTH.
1. WHICH OF THE 2 ONIONS HAVE LONGER ROOT, WHY ?
2. DO THE ROOTS CONTINUE GROWING EVEN AFTER WE HAVE REMOVED THE TIPS?
3.WHY WOULD THE TIPS STOP GROWING IN JAR 2 AFTER WE CUT THEM ?
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
give an example of protective tissue in plant?
why does a desert plant have thick coating of cutin on the outer surface of epidermis?
Write a note on meristematic tissue? Draw diagram showing the location of various meristemsin a plant
three features of cardiac muscles.
how is meristematic tissue classified on the basis of its location?
Why is it difficult to pull out the husk (fiber like thing on its covering) of a coconut tree?
why are parenchyma tissues also known as plant packaging tissues?
what is aerenchyma ? state its functions.
why blood is called fluid connective tissue?
what are the differences between vascular tissue and vascular bundle? Give atleast two differences.
what is vascular cambium and cork cambium?
difference between three types of muscles fibres.
what is the meaning of tangential walls?
explain the location,structure and function of meristematic tissue in plant body with a labelled diagram.
If sclerenchyma cells are dead then do they have a nucleus or a vacuole ?
functions of chlorenchyma?
a) bone and cartilage
b)tracheids and vessels
c)tendon and ligament
d)axon and dendron....
1.) which protein is responsible for the contraction and relaxation of muscles ?
2.) what is the other name of involuntary and voluntary muscles ?
Animals of colder regions and fishes of cold water have thick layer of subcutaneous fat.Explain why?
why epidermis is called protective tissue and why epidermis of desert plant is covered with waxy substance ?
PLEASE PROVIDE A TABLE OF DIFFERENCES BETWEEN PARENCHYMA, SCLERENCHYMA AND COLLENCHYMA.
why tissues are important in multicellular organisms??
flowchart about diffrent types of tissues
difference between epidermis and cork
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
what is animal tissue and its all parts?explain
difference between white and yellow fibres
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.
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