Biology Questions And Answers :: Tools Techniques: part10



Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part10 : 26 to 30

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

26.Protoplasm is

Emulsion
Complex colloidal solution
Molecular solution
Suspension

27.Which is correct about cell theory in view of current status of our knowledge about cell structure

It needs modification due to discovery of subcellular structures like chloroplasts and mitochondria
Modified cell theory means that all living beings are composed of cells capable of reproducing
Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation
Cell theory means that all living objects consist of cells whether or not capable of reproducing

28.Callus is

Material used in healing in phloem
Secondary tissue developed by woody plants
An undifferentiated mass of cells
All the above

29.Given below are assertion and reason. Assertion Specialisation of cells is advantageous to organisms. Reason It increases operational efficiency

Both are true with reason being correct explanation
Both true but reason is not correct explanation
Assertion is true but reason is wrong
Both are wrong

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