The Fundamental Unit of Life (Class IX)
Description: Biology | |
Number of Questions: 15 | |
Created by: Darshan Khurana | |
Tags: Biology Science IX Fundamental Unit of Life Fundamental Units of Life Structure and Function of a Cell Plasma Membrane or Cell Membrane Nucleus Structure Functions of Nucleus Prokaryotic Cell Eukaryotic Cell Cytoplasm &Functions Cells Organelles Golgi Apparatus its Functions |
Ameoba acquires its food through the process of
Which of the following statements is incorrect?
Which of the following statements about eukaryotic cells is/are correct?
a. Eukaryotic cells are generally large. b. Nucleolus is present in eukaryotes. c. Cell division in eukaryotic cells takes place by fission or budding.
Which of the following statements is/are correct about a nucleus?
a. A nucleus has a double layered covering called nuclear membrane. b. A nucleus contains chromosomes. c. A nucleus plays a central role in cellular nutrition.
Which of the following statements is/are incorrect?
a. Prokaryotes lack membrane-bound organelles. b. Prokaryotes contain a single chromosome. c. Onion peel cell is a prokaryotic cell.
Which of the following statements about cytoplasm is incorrect?
Match the following:
Column I | Column II |
a. Robert Brown | 1. Observed free cells for the first time |
b. Robert Hooke | 2. Gave the term protoplasm |
c. Leuwehoek | 3. Discovered cell in a cork slice |
d. J. E. Purkinje | 4. Discovered the nucleus in the cell |
Which of the following cell organelles are rich in digestive enzymes?
Which of the following organelles serve as a channel for the transport of materials between the cytoplasm and the nucleus?
Which of the following statements is/are correct?
a. All cells come from pre-existing cells. b. Each living cell can change shape. c. A cell is able to live and perform all its functions due to the presence of organelles.
Which of the following pairs is/are correct?
a. Mitochondria - powerhouse of the cell b. Vacuole - suicidal bags of the cell c. RNA - energy currency of the cell
Which of the following statements is/are correct about the Golgi apparatus?
a. It consists of a system of membrane-bound vesicles arranged in sacs called vacuoles. b. It is involved in the formation of lysosomes. c. It is involved in storage, modification and packaging of products in vesicles.
Organelles are membrane-enclosed structures that are found within the cells and each with a particular function. Some organelles possess their own genes. Which of the following organelles have their own DNA?
a. Lysosomes b. Mitochondria c. Plastids d. Cytoplasms
Which of the following statements are correct about the cell theory as presented by Schleiden and Schwann?
a. All plants and animals are composed of cells. b. A cell is the basic unit of life. c. All cells arise from pre-existing cells. Many cells group together in a single body and assume different functions in it to form various body parts.
Which of the following is not a unicellular organism?