The Fundamental Unit of Life
Description: The Fundamental Unit of Life, IX, Biology, Science | |
Number of Questions: 25 | |
Created by: | |
Tags: The Fundamental Unit of Life Cell - its Types Cell Wall - Structure and Functions Structure and Functions of Cell Organelles Nucleus - Structure and Functions Nucleus |
Which of the following statements are correct about cell wall? a. It is made of a complex carbohydrate called cellulose. b. It is found in both plant and animal cells. c. It is semi-permeable. d. It is hard and rigid.
Which of the following statements is correct?
Match the column I (Scientist) with Column II (Discovery) ||| |---|---| | Scientist| Discovery| |a. Robert Hooke|1. Cell theory| |b. Leeuwenhoek|2. Cell | |c. Robert Brown|3. Bacteria| |d. J.E. Purkinje|4. Nucleus| |e. Schleiden and Schwann|5. Protoplasm|
Which of the following statements is/are incorrect about nucleus? a. The nucleus has a double layered covering called nuclear membrane. b. It contains chromatins and a nucleolus. c. Chromatin is formed of RNA, which is required for protein synthesis in the cytoplasm.
Which of the following statements is incorrect about Genes?
Which of the following statements are incorrect? a. A cell gains water from outside in a hypertonic solution. b. There is no net movement of water in an isotonic solution. c. A cell loses water by osmosis in a hypotonic solution.
Which of the following options helps in the manufacture of fat molecules, lipids, important for cell function?
Which of the following are the functions of Golgi apparatus? a. It packages and despatches the material synthesised in the cell to intracellular and extracellular targets. b. It is involved in the formation of lysosomes and peroxisomes. c. It is involved in the synthesis of substances such as polysaccharides and glycoproteins etc.
Which of the following statements is incorrect about mitochondria?
Which of the following statements is incorrect?
Which of the following statements is/are correct? a. Vacuoles are storage sacs for solid or liquid contents. b. Vacuoles in animal cells provide turgidity and rigidity to the cell. c. Vacuoles are absent or small in plant cells.
Which of the following statements are incorrect? a. Plastids are present only in plant cells. b. Plastids are single membrane bounded. c. Plastids have separate cristae. d. Plastids hace extra nuclear DNA.
Which of the following organelles has its own genetic material?
Stroma is present in which of the following?
Which of the following statements is/are correct? a. Chromoplasts are coloured plastids. b. Leucoplasts are colourless plastids. c. Leucoplasts are involved in the formation and storage of starch and oil drops.
Which is the largest cell present in the human body?
Which of the following pairs is incorrect?
A unicellular organism like ameoba obtains its food through
The _______ is the fluid content inside the plasma membrane.
Which of the following organelles is involved in the formation of lysosomes?
Which of the following is/are correct? a. Chromosomes are circular-shaped structures found in the nucleus of cell. b. Chromosomes are composed of DNA and protein. c. Chromosomes contain information for the inheritance of features from parents to next generation in the form of deoxyribo nucleic acid molecules.
Which of the following is/are the cellular waste(s) that needs to be excreted out by the cell through the process of diffusion? a. CO2 b. O2 c. H2O
The flexibility of the cell membrane enables the cell to engulf in food and other materials from its external environment. What is such a process called?
Which of the following organelles make the endoplasmic reticulum rough?
Match Column I with Column II ||| |---|---| | Column I| Column II| |a. Eukaryotic cell|1. Nucleoid | |b. Prokaryotic cell|2. Cytoplasm | |c. RNA|3. Nucleolus|