Biology

Cell: The Unit of Life

137 questions from 38 papers, each with its answer.

Practise Cell: The Unit of Life

• 137 questions
• 38 papers
• 3.89% of Biology

Chromosomes – Types and Structure

1 question

1. 1 2019 Medium
   The shorter and longer arms of a submetacentric chromosome are referred to as:
   A s-arm and l-arm respectively B p-arm and q-arm respectively C q-arm and p-arm respectively D m-arm and n-arm respectively
   Check Answer

Cell Organelles – DNA-containing Organelles

1 question

2. 2 2019 Medium
   Which of the following pair of organelles does not contain DNA?
   A Mitochondria and Lysosomes B Chloroplast and Vacuoles C Lysosomes and Vacuoles D Nuclear envelope and Mitochondria
   Check Answer

Cell Organelles – Endomembrane System (Lysosomes)

1 question

3. 3 2019 Medium
   Which of the following statements is not correct?
   A Lysosomes have numerous hydrolytic enzymes. B The hydrolytic enzymes of lysosomes are active under acidic pH. C Lysosomes are membrane bound structures. D Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
   Check Answer

Cell Theory

1 question

4. 4 2019 Easy
   The concept of "$Omnis\ cellula\text{-}e\ cellula$" regarding cell division was first proposed by:
   A Rudolf Virchow B Theodore Schwann C Schleiden D Aristotle
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Cell Organelles – Mitochondria

1 question

5. 5 2019 Medium
   Which of the following statements regarding mitochondria is incorrect?
   A Outer membrane is permeable to monomers of carbohydrates fats and proteins. B Enzymes of electron transport are embedded in outer membrane. C Inner membrane is convoluted with infoldings. D Mitochondrial matrix contains single circular DNA molecule and ribosomes.
   Check Answer