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question_answer1) Name two cell organelles that have their own genetic material.
question_answer2) Name the cell organelle, which is able to destroy a damaged cell.
question_answer3) Name the process in which diffusion takes place through a selective permeable membrane.
question_answer4) State two important function of the nucleus of a cell.
question_answer5) Which organelles are called (i) Power house of the cell (ii) Suicidal bags
question_answer6) Explain the term ATR
question_answer7) Give one word answer to the following (i) Organelle containing chlorophyll. (ii) An organelle with cristae. (iii) An organelle with ribosome attached to its surface. (iv) Living matter of the cell.
question_answer8) Label X and Y in the following diagrams (i) (ii)
question_answer9) Which organelle is called factory of ribosomes?
question_answer10) Which of the following are present in the animal cells? Chloroplast, Nucleus, Vacuoles, Cell wall , Mitochondria
question_answer11) Why are the ribosomes called 'protein factories'?
question_answer12) Why is nucleus called controller of the cell?
question_answer13) Which type of plastids help in photosynthesis?
question_answer14) What is the function of cellulose in plant cell?
question_answer15) What is plasmolysis?
question_answer16) What are genes? Where are they located?
question_answer17) Is there any animal cell that lacks lysosomes?
question_answer18) Nucleus is called as brain of the cell, why?
question_answer19) Cell wall is made up of which component?
question_answer20) Who proposed the cell theory?
question_answer21) Set-up of an experiment is shown below Which process is demonstrated in above experiment?
question_answer22) If the swollen raisin is put into salt solution, what will happen?
question_answer23) Name the cell organelle from which lysosome arise. State one function of lysosome.
question_answer24) Name the organelle present only in plants which have their own genome and ribosomes.
question_answer25) Name the cell organelle which serve as a channel for transport of material between cytoplasm and nucleus.
question_answer26) Diagrammatic representation of an experiment is given below. Which phenomenon is this?
question_answer27) What are chromosome made up of?
question_answer28) Which cell organelle is called the power house of a cell? Why?
question_answer29) What is endocytosis?
question_answer30) Experimental set-up of an experiment is shown below. (i) Why raisins gets swollen? (ii) Name the process.
question_answer31) What are dictyosomes?
question_answer32) Where does the ATP synthesis occur in mitochondria?
question_answer33) Name two structures which are found in plant cell but not in animal cell.
question_answer34) Name two structure found only in animal cell but not in plant cell?
question_answer35) What is the role of iodine solution for a cell?
question_answer36) Which scientist coined the term cell?
question_answer37) Name the process of selective movement of substances through semi permeable membrane.
question_answer38) Mitochondria and plastids are able to synthesis some of their own proteins why?
question_answer39) In which cell organelle, the complete breakdown of glucose in presence of oxygen takes place?
question_answer40) Who coined the term 'protoplasm' for the fluid substance of the cell?
question_answer41) Plant cells have large vacuoles each surround by a membrane. What is the name of this membrane?
question_answer42) Which molecules in a cell are known as the energy currency of the cell?
question_answer43) What is the role of ribosomes in cell?
question_answer44) Where stroma is present in a cell?
question_answer45) What is the functional segment of DNA?
question_answer46) Which structure is found in plant cells but absent in animal cell?
question_answer47) Which is the most widely occurring plastid?
question_answer48) Name the pigment that imparts red and yellow colour to flowers.
question_answer49) What does the nucleus contain?
question_answer50) Which solutions apart from iodine solution can be used to stain the cells?
question_answer51) The nuclear membrane, which envelops the nucleus is selectively permeable, why?
question_answer52) Write an example of diffusion in a plant.
question_answer53) Observe the figure given below and tell Which structure in plant cell (labelled as A-D) contains chromosomes?
question_answer54) What are the different types of endoplasmic reticulum? Write one function of each.
question_answer55) Categorise the cells on the basis of presence or absence of nuclear membrane.
question_answer56) What does a chromosome contain?
question_answer57) Give scientific reason for the following (i) Inner membrane of mitochondria is deeply folded. (ii) Mitochondria are able to make some of their proteins.
question_answer58) Illustrate the various functions performed by a cell.
question_answer59) Name two nucleic acids present in cell. What is their function?
question_answer60) Why is plasma membrane called a selectively permeable membrane? How do the substances like and water move in and out of cell?
question_answer61) Why plant cell contain large size vacuole, as compare to animal cell?
question_answer62) What do you mean by plasmolysis?
question_answer63) State three differences between plasma membrane and cell wall.
question_answer64) The Golgi apparatus also called the secretory organelle of the cell'. Why?
question_answer65) Differentiate between diffusion and osmosis.
question_answer66) What would happen if cell wall is not present in plant cell?
question_answer67) A cell is a building block of an organism. Explain why?
question_answer68) Name the organelle of the cell, which has membrane bound sac filled with power full digestive enzymes. Write its any function in the cells.
question_answer69) Shilpa is telling her 10 years old sister that cells were discovered by Robert Hook in 1665. Based on his observation, cell theory was developed. You do not have a microscope and hence, not able to show that structure of a cell to her sister. Her sister is too small to understand this and asked Shilpa to show her a cell. (i) What will Shilpa show to her sister which can give her an idea of a cell? (ii) What is the life of a cell? (iii) What values are shown by Shilpa and her sister?
question_answer70) Where are chromosomes located? What are they composed of? What is chromatin material and how does it change just before the cell divides?
question_answer71) (i) In which form does the mitochondria release energy? Write its full form. (ii) The inner membrane of mitochondria is deeply folded. What is the advantage of these folds?
question_answer72) A plant cell is placed in a hypotonic solution. What will happen? Will the cell burst? Why or why not?
question_answer73) Write the one word of below sentences. (i) An organelle, which has its own genetic material. (ii) An organelle rich in digestive enzymes. (iii) Nucleic acid present in nucleus of cell.
question_answer74) What will happen to a plant cell if it is kept in sugar solution? Explain.
question_answer75) Name a cell organelle found only in a plant cell and name its type.
question_answer76) Give the differences between leucoplasts and chromoplasts.
question_answer77) Define membrane biogenesis?
question_answer78) Name the organelle of the cell, which is involved in the formation of lysosomes. Write its functions in the cells.
question_answer79) What happens to an animal cell when it is placed in a very dilute external medium? Why?
question_answer80) Explain the structure of nucleus.
question_answer81) What are the functions of Golgi apparatus?
question_answer82) What are the function of lysosomes?
question_answer83) Name the following organelles (i) Power house of the cell (ii) Kitchen of the cell (iii) Suicidal bags of the cell (iv) Controlling centre of the cell (v) Export firms (vi) Internal transport system
question_answer84) Draw a neat and well labelled diagram of a typical prokaryotic cell.
question_answer85) What are lysosomes, peroxisomes and centrosome and write their functions?
question_answer86) What do you mean by the following terms? (i) Protoplasm (ii) Cytoplasm (iii) Nucleoplasm
question_answer87) State some differences between cytoplasm and nucleoplasm. (3)
question_answer88) Describe complexity in structure of organisms.
question_answer89) Why does the skin of your fingers shrinks when you wash clothes for a long time?
question_answer90) Why is endocytosis found in animals only?
question_answer91) A person takes concentrated solution of salt. After sometime he starts vomiting. What is the phenomenon responsible for such a situation? Explain.
question_answer92) We eat food composed of all the nutrients such as carbohydrate, proteins, fats, minerals, vitamins and water. After digestion they get absorbed in the form of glucose, amino acids, fatty acids, glycerol, etc. Which mechanism is involved in the absorption of digested food and water?
question_answer93) If you are provided with some vegetables to cook you generally add salt into during cooking process. After adding salt vegetables release water. Which mechanism is responsible for this?
question_answer94) If cells of onion peel and RBCs are separately kept in hypotonic solution. What among the following will take place? Explain the reason for your answer. (i) Both the cell will swell (ii) RBC will burst easily, while cells of onion peel resist the bursting to some extent. (iii) and (b) both are correct (iv) RBC and onion peel cell will behave similarly.
question_answer95) Match the following columns. Column A Column B A. Smooth endoplasmic 1.Amoeba B. Lysosome 2. Nucleus C. Nucleoid 3. Bacteria D. Food vacuoles 4. Detoxification E. Chromatin material and nucleus 5. Suicidal bags
question_answer96) Write the name of different plant parts in which chloroplast, chromo plast and leucoplast are present.
question_answer97) Name the organelles, which show analogy written as under. (i) Transporting channels of the cell.......... (ii) Power house of the cell.......... (iii) Packaging and dispatching unit of the cell.......... (iv) Digestive bag of cell.......... (v) Storage sac of the cell.......... (vi) Kitchen of the cell.......... (viii) Control room of the cell..........
question_answer98) Why lysosome are known as 'scavengers of the cell'?
question_answer99) Why do plant cell possess large sized vacuoles?
question_answer100) How are chromatin, chromatid and chromosome related to each other?
question_answer101) What are the consequences of the following conditions? (i) Cell having higher water concentration than surrounding medium. (ii) A cell containing low water concentration than surrounding medium. (iii) A cell have equal concentration of its surrounding medium.
question_answer102) In brief state what happens when (i) Dry apricot are left for sometime in pure water and later transferred to sugar solution. (ii) Rheo leaves are boiled in water first and then a drop of sugar syrup is put on it. (iii) Golgi apparatus are removed from the cell.
question_answer103) Differentiate between rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER). How endoplasmic reticulum is important for membrane biosynthesis?
question_answer104) (i)Draw a diagram of prokaryotic cell and label on it-cell wall, ribosomes, nucleoid, plasma membrane, (ii) Write two differences between a prokaryotic cell and eukaryotic cell. (2)
question_answer105) Why is mitochondria called power house of cell? Give three similarties and one difference between mitochondria and plastid.
question_answer106) What are the main functions of each of the cell components?
question_answer107) Take a comparison and write down ways in which plant cells are different from animal cells. (5)
question_answer108) What is the structure of mitochondria?
question_answer109) Explain main functional regions of a cell with the help of a diagram.
question_answer110) Medical science took a giant step forward when it declared its capability to store stem cells. Stem cells can be used later on to treat certain diseases if need arises. Along with many western countries, India also has the facility for storage of stem cell and for use of the same for therapy. Scientists are trying their best to maximise the benefit from storage of stem cells. (i) What is the main source of stem cells? (ii) What are the diseases that can be treated by storing stem cells? (iii) What value is shown by the scientists?
question_answer111) (i) Draw a plant cell and label seven important organelles found in it. (ii) Name one organelle that can make some of its protein in a plant cell and mention one function of it in a cell.
question_answer112) (i) Name and draw a cell, which does not have well defined nuclear region. Label any four parts. (ii) Mention two ways by which a photosynthesising cell belonging to this group differs from a cell of your body.
question_answer113) Naman his told by his teacher that plants have mostly dead cells in its body. On the other hand most of the animal cell are alive. A student wants to know from his teacher if it gives any advantage to the organisms. (i) What advantage do plants get by having mostly dead cells? (ii) Why should we protect trees? (iii) What value is shown by the student?
question_answer114) Plasma membrane is made up of which two components? *-ENTER_NEXT_LINE* What is hypotonic solution? *-ENTER_NEXT_LINE* What is hypertonic solution?
question_answer115) What is isotonic solution?
question_answer116) Cell wall is made up of which component?
question_answer117) Give an example of unicellular organism.
question_answer118) Give an example of multicellular organism.
question_answer119) What is osmosis?
question_answer120) What is active transport?
question_answer121) Can you name the two organelles we have studied that contain their own genetic material? [NCERT]
question_answer122) Why are lysosomes known as suicidal bags?
question_answer123) Where are proteins synthesised inside the cell? [NCERT]
question_answer124) What is the intracellular source of digestive enzyme?
question_answer125) What is endocytosis?
question_answer126) Where are genes located?
question_answer127) Name two structures found in plant cells but not in animal cells.
question_answer128) Name two structures found in animal cells but not in plant cells.
question_answer129) Which organelle is involved in the formation of lysosomes? *-ENTER_NEXT_LINE* * * What is the outermost layer found in animal cells? *-ENTER_NEXT_LINE* What is the outermost layer found in the plant cell? *-ENTER_NEXT_LINE* Which organelle is the storage sac of solid and liquid materials? *-ENTER_NEXT_LINE* Which organelle serves as a channel for transport of materials between cytoplasm and nucleus? *-ENTER_NEXT_LINE* What is microscope? *-ENTER_NEXT_LINE* Why is light microscope called a compound microscope? *-ENTER_NEXT_LINE* Which organelle is associated with ribosome formation? *-ENTER_NEXT_LINE* What are chromosomes made up of? *-ENTER_NEXT_LINE* Define plasmolysis. *-ENTER_NEXT_LINE* What is a nucleoid? *-ENTER_NEXT_LINE* Which organelles other than nucleus contain DNA? *-ENTER_NEXT_LINE* Name the only cell organelle seen in prokaryotic cell. *-ENTER_NEXT_LINE* Which microorganisms can be made into crystal? *-ENTER_NEXT_LINE* Which organelle detoxify many poisons and drugs in a cell? *-ENTER_NEXT_LINE* Name a cell organelle which does not have a cell membrane. *-ENTER_NEXT_LINE* Define diffusion. *-ENTER_NEXT_LINE* Why is endocytosis found in animals only? [NCERT Exemplar] *-ENTER_NEXT_LINE* Which cell organelle controls most of the activities of the cell? [NCERT Exemplar]
question_answer130) Who discovered cells and how? [NCERT]
question_answer131) Describe the microscopic structure of the cell.
question_answer132) Why is cell called the structural and functional unit of life? [NCERT]
question_answer133) How do substances like carbon dioxide and water move in and out of the cell? [NCERT, NCERT Exemplar]
question_answer134) Differentiate between diffusion and osmosis.
question_answer135) How can you calculate the magnification of a microscope?
question_answer136) What is a cell wall and how is it formed?
question_answer137) Why were the scientists not able to observe most of the cell organelles before 1940?
question_answer138) If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen? [NCERT]
question_answer139) There would be no plant life if chloroplasts did not exist. Justify.
question_answer140) Why is the Golgi apparatus called the secretary organelle of the cell?
question_answer141) Differentiate between smooth and rough endoplasmic reticulum.
question_answer142) What are the functional regions of a cell?
question_answer143) What would happen if the plasma membrane ruptures or breaks down? [NCERT]
question_answer144) What would happen to the life of a cell if there were no Golgi apparatus? [NCERT]
question_answer145) Which organelle is known as the powerhouse of the cell? Why? [NCER]
question_answer146) Where do the lipids and proteins constituting the cell membrane get synthesised? [NCERT]
question_answer147) How does an Amoeba obtain its food? [NCERT, NCERT Exemplar]
question_answer148) What is cell sap? Give its composition.
question_answer149) What is cytosol and cytoskeleton?
question_answer150) What are secretory proteins? Give an example of secretory protein.
question_answer151) What is membrane biogenesis? How is plasma membrane formed during this process?
question_answer152) Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cup one of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, (a) Keep cup A empty. (b) Put one teaspoon sugar in cup B. (c) Put one teaspoon salt in cup C. (d) Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: (i) Explain why water gathers in the hollowed portion of B and C. Why is potato a necessary for this experiment? (ii) Explain why water does not gather in the hollowed out portions of; and D. [NCER]
question_answer153) Why are peroxisomes mostly found in kidney and liver cells?
question_answer154) What do you mean by plasmodesmata?
question_answer155) What is cell division? Give the types of cell division.
question_answer156) Why do the animal cells not have cell wall?
question_answer157) Why are the Golgi bodies found in large numbers in the cells which secrete digestive enzymes?
question_answer158) What is the significance of pores present on the nuclear membrane?
question_answer159) What is the functional difference between a plasma membrane and cell wall?
question_answer160) What are asters and spindle fibres?
question_answer161) What is the function of nuclear membrane?
question_answer162) Write a note on Golgi apparatus and the functions it performs.
question_answer163) Do you agree "A cell is a building unit of an organism". If yes, explain why.
question_answer164) If you are provided with some vegetables to cook, you generally add salt into the vegetables. After adding salt, vegetables release water. Why? [NCERT Exemplar]
question_answer165) How will absence of any one of the cell organelle affect the cell's working?
question_answer166) How are chromatin, chromatid and chromosomes related to each other? [NCERT Exemplar]
question_answer167) Make a comparison and write down ways in which plant cells are different from animal cells. [NCERT]
question_answer168) How is a prokaryotic cell different from a eukaryoric cell? [NCERT]
question_answer169) Draw a labelled diagram of mitochondria. Write the functions g mitochondria.
question_answer170) What is active transport? Differentiate between active and passive transport.
question_answer171) If cells of onion peel and RBC are separately kept in hypotonic solution, what will happen to each of them? Explain. [NCERT Exemplar]
question_answer172) Where will you find more number of ribosomes-in cancer cells or in fat cells?
question_answer173) A solution of 3% glucose and a solution of 8% glucose are kept in a trough separated by a semipermeable membrane. What will you observe after 1 hour?
question_answer174) What are the colours absorbed by plants? The green light of the sunlight is blocked. How will the photosynthesis be affected?
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