Plant and Wood Anatomy (Part-1)/ objective question for Acdemic, jrf, srf, afo, upsc and other Forestry related competive exam

Comments

Post a Comment

Popular blog

Components of Network,Network, personal computer

Image
   Network: - A network is an interconnected collection of autonomous computers. Two computers defined as interconnected if they are capable to interchange information. The autonomous computer means that no computer on the network can start, stop or control another computer. The jobs are allotted in the network without users' intervention.  Components of Network: - A basic network is made up of the following hardware. ₀  Server • Workstations / Nodes • Interface Cards •  Cabling system  • Shared resources and peripherals  Server:- The server runs the network operating system and offers network services to workstations. These services include the file storage, user management, security, common network commands, system manager commands and much more. Nodes: - When a computer is attached to a network, it becomes a node on the network. It is sometimes referred as workstation. A node can be DOS-based PC or Windows 95/ 2000-based PC.  Interface Card:- ...
Read more

Computer Software,Internet and Intranet

Image
  Computer Software Set of Computer programs ,procedures, and associated documents ( flowcharts, manuals, etc) describing the programs and how they are to be used. Types of Software • System Software • Application Software System Software : Set of one or more programs that control operation and extends the processing capability of a computer system. It performs the following functions : 1. Supports development of other application software. 2. Supports execution of other application software. 3. Monitors effective use of various hardware resources such as CPU, memory, peripherals, etc. 4. Communicates with and controls operation of peripheral devices such as printer, disk, tape, etc. Types of System software Operating systems : Acts as an interface between user and the hardware. Eg. Windows, Ubuntu etc. Programming language translators : Transform the instructions prepared by programmers in programming language to a form that can be interpreted and executed by the computer system i...
Read more

sterculiaceaed

 13. STERCULIACEAE Distribution: The family is represented by 50 genera and 750 species distributed mainly in tropical parts of the world. In India, some 18 genera and over 90 species are found in tropical parts and Himalayas. Common Indian examples are Heritiera littoralis (Sundari, the Sundarban is named after this tree), Ptetospermum acerifolium, Guazuma ulmifolia, Helicteres isora, Dombeya mastersii etc. Salient feature: Pollination and dispersal Flowers show entomophily and seeds show anemochory (winged seeds) or Zoochory. Description:Vegetative characters such as, plants are usually softwood trees or shrubs rarely herbs (Pentapetes) or climbers (Buettneria species). Young parts are often stellate - tomentose. Flowers unisexual or bisexual; calyx colored in Sterculia; staminodes present; placentation is axile. Leaves: Leaves are alternate, simple, entire or palmately lobed or Digitate (e.g Sterculia). Stipules are present and caducous. Inflorescence: Flowers are found arranged...
Read more

sapindaceae

 9. SAPINDACEAE Distribution:The family with its 92 genera and 900 species is widely distributed in tropical regions of the world. In India, it is fairly represented by 24 genera and 72 species common examples like Litchi sinensis, Aesculus indica, Sapindus muskorossi and species of Acer, mainly found in western Himalayas. Litchi and Sapindusare grown in most part of the country. Salient feature: Plants are trees or herbs rarely Woody Vines (Cardiospermum) climbs by tendrils or modified in inflorescence axes; stem has resin passages with plenty of gum. Description:Stem shows of extra stelar vascular bundles (anamalous condition); leaves are pinnately compound, exstipulate; flower complete and hypogynous; calyx and corolla are free; extra stamina disc is found in form of a gland; placentation is axile. Leaves: Leaves are alternate or rarely opposite (Acer) usually pinnately compound, rarely ternate and very simple (Cardiospermum), palmately lobed (Acer) or digitate (Aescules). Exsti...
Read more