Organisation of a cell has not been achieved in
Bacteriophage
Bacteria
Diatom
Amoeba
Related Questions
Complete the given NCERT statements (I-III) by choosing appropriate options for the blanks (A-D) I. Cells that have membrane bound nuclei are called …A… II. In both …B… and …C… cells, cytoplasm is the main arena of cellular activities III. Cell that lack a membrane bound nucleus are called …D…
A-prokaryotic cells, B-plant cells, C-animal cells, D-eukaryotic cells
A-eukaryotic cells, B-animal cells, C-plant cells, D-prokaryotic cells
A-prokaryotic cells, B-plant cells, C-eukaryotic cells, D-animal cells
A-eukaryotic cells, B-plant cells, C-prokaryotic cells, D-animal cells
Schleiden (1838) proposed that cell is the structural and functional unit of life. His idea was a/an
Assumption
Generalisation
Hypothesis
Observation
Which of the following statements are correct? I. Occurrence of different types of tissues, organs and organ system results in division of labour II. A new cell always develops by the division of a pre-existing cells III. Cells are totipotent IV. Cell is the smallest unit, capable of independent existence and performing the essential functions of life The correct option is
I, II and III
I, III and IV
II, III and IV
I, II, III and IV
Select the correct fundamental features of cell theory I. All cells are basically alike in their chemistry and physiology II. All living organisms are composed of cells and their products III. Each cell is made of a small mass of protoplasm containing a nucleus inside and a plasma membrane with or without a cell wall outside IV. Activities of an organism are the sum total of activities and interaction of its constituent cells Correct option regarding the statement is
All are incorrect
II and III are correct
II, III and IV are correct
All are correct
Select the right option which relates to Schwann regarding the following statement I. He reported that cells have a thin outer layer which is today known as plasma membrane II. Cell wall is a unique character of the plant cell III. Body of plants and animals are composed of cells and product of cells Choose the correct option from below
I and II
III Only
II and III
I, II and III
According to cell doctrine, which of the following statements are correct?I. The bodies of all living beings are made up of cells and their productsII. Cells are the basic units of structure in the body of living organismsIII. Cells are the basic units of function in living organisms that is, the activities of an organisms are the sum total of the activities of its cellsIV. Genetic information is stored and expressed inside the cellsChoose the correct option
II and III
I and II
Only I
I, II, III and IV
Which of the following statements are correct? I. Mycoplasmas are the smallest cells II. Nerve cells are some of the longest cells III. Ribosomes are non-membrane bound organelles found only in eukaryotic cells IV. The cytoplasm is the main arena of cellular activities only in plant cells
I, II and III
I and II
II and III
I, II, III and IV
Which of the following pairs lack the unit membrane?
Nucleus and ER
Mitochondria and chloroplast
Ribosome and nucleolus
Golgi body and lysosome
Comparing small and large cells, which statement is correct?
Small cells have a small surface area per volume ratio
Exchange rate of nutrients is fast with large cells
Small cells have a large surface area per volume ratio
Exchange rate of nutrients is slow with small cells
Which of the following statements are correct? I. Nerve cells are the smallest of all cells II. Bacteria are 3-5 in length III. The largest cell is the egg of an ostrich IV. Mycoplasma is the smallest cell (0.3 in length) Choose the correct option
I, II, III and IV
Only II
Only I
II, III and IV