Cell: The Unit of Life (Class - XI)
| Description: Cell The Unit of Life | |
| Number of Questions: 15 | |
| Created by: Manjit Singh | |
| Tags: Cell: The Unit of Life - XI Biology Cell Theory Overview Types of cells Atomic Structure Bohr-s Atomic Structure Aufbau-s Principle Molecular Orbital Method, Concept of Bond Order Electronic Configuration of Elements Molecular Orbital Theory Prokaryotic Cell Centrosome and Centrioles Cell Membrane and Fluid Mosaic Model Cell Wall: Structure and Function |
Match the following: Type of bacterium|Shape| |a. Bacillus|1. Comma-shaped| |b. Coccus|2. Rod-shaped| |c. Vibrio|3. Spherical-shaped|
Which of the following is not a property of prokaryotic cells?
Which of the following cells are round and biconcave in shape?
Which of the following structures in prokaryotic cell is semi-permeable in nature and interacts with the outside world?
In most prokaryotic cells, the cell envelope consists of a tightly bound three-layered structure. Which of the following layers is/are not present in the cell envelope?
a. Cell wall b. Glycocalyx c. Golgi complex
The cell wall of an algae is not made of
The cell membrane does not consist of which of the following?
a. Phosphoglycerides b. Proteins c. Carbohydrates d. Vitamins
Which of the following are present in animal cells, but absent in almost all plant cells?
a. Centrioles b. Plastids c. Central vacuoles
Which of the following surface structures do(es) not play a role in the motility of bacteria?
a. Flagella b. Pili c. Fimbriae
Which of the following statements regarding rough endoplasmic reticulum is/are false?
a. Rough endoplasmic reticulum is involved in protein synthesis and secretion. b. Rough endoplasmic reticulum is extensive and continuous with the outer membrane of the nucleus. c. Rough endoplasmic reticulum is the major site for synthesis of lipids.
Match the following:
| a. Chloroplasts | 1. They are the colourless plastids of varied shapes and sizes with stored nutrients. |
| b. Chromoplasts | 2. They contain fat soluble carotenoid pigments that give the plant a yellow, orange or red colour. |
| c. Leucoplasts | 3. They contain chlorophyll and carotenoid pigments that are responsible for trapping light energy. |
Which scientist was the first person to see and describe a living cell?
Which of the following are not considered parts of the endomembrane system?
a. Golgi bodies b. Mitochondria c. Peroxisomes d. Lysosomes
Which of the following organelles is/are found in prokaryotic cells?
Which of the following is an important site of formation of glycoproteins and glycolipids?