Q. 14.5( 50 Votes )
Which instrument was essential for the study of cells ?
Microscope was essential for the study of cells.
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Which of the following statements are true for eukaryotic cells?
(i) They do not have a nuclear membrane.
(ii) They have a well-organized nucleus.
(iii) They have a nuclear membrane.
(iv) Blue-green algae are eukaryotic cells.NCERT - Science Exemplar
Classify the following terms into cells, tissues, and organs and write in the tabular column given below.
RBC, WBC, Nerve cell, blood, muscle, blood vessels, brain, heart, hand
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Name the smallest unit of life.Lakhmir Singh & Manjit Kaur - Science
State the cell theory of organisms.Lakhmir Singh & Manjit Kaur - Science
Under a microscope, Paheli observes a cell that has a cell wall but no distinct nucleus. The cell that she observes isNCERT - Science Exemplar
Identify the correct statement.NCERT - Science Exemplar
The structural and functional unit of life called cell was discovered by :Lakhmir Singh & Manjit Kaur - Science
Identify the statement which is true for cells.NCERT - Science Exemplar
Which of the following is not a cell?NCERT - Science Exemplar
Fill in the blanks with the terms given in the box below:
Nucleus, chromosomes, cell wall, cell membrane, protoplasm, cytoplasm, ribosome, cell organelles
The outermost layer of plant cells is the (a) beneath which is the …..(b) …….The term ….(c)….. refers to the jelly-like substance containing all the ….(d)….. The …..(e)…. contains thread-like structures called ….(f)…...NCERT - Science Exemplar