Knowledge in 1st year

Torsion in Gastropods ( Zoology / Biology )

Here is the description of the process Torsion in Gastropods with proper diagram. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Detection of Known Special Element Practical Notes ( Chemistry )

Here are the chemistry practical notes for Detection of Known Special Elements ( Nitrogen and Chlorine ). It is included in the syllabus of Chemistry General Degree Course under Calcutta University.

Engineering materials, joining processes, belt drives and gear drives.

This file contains detailed description on Engineering materials. It includes definition and classification of Engineering materials. Definition and description on ferrous and non-ferrous materials, bronze, brass etc., Definition of ceramics and types. Description on Optical fibre, Glass semiconductors etc., Definition and description on composite materials. Definition and description on Smart-materials. Joining processes such as brazing, soldering and welding. Belt drives and gear drives with numerical guide.

Machine tools and CNC & Robots.

This document consists of sketches of Lathe and Milling machine. Sketches of operations of Lathe like Facing, Turning, Knurling, Drilling, Thread cutting, Taper Turning by offsetting tailstock and Taper Turning by Swiveling compound rest method. Sketches of operations of Milling machine like Slab milling, End milling, Slot milling, Angular milling, Form milling, Straddle and Gang milling. Specifications of Lathe. Up milling and Down milling sketches.

Apoda vs Urodela vs Anura - Differences ( Zoology / Biology )

Here are the differences between different categories of Amphibia i.e. Apoda, Urodela and Anura. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Axolotl Larva Notes ( Zoology / Biology )

Here are the notes on Axolotl Larva. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Chondrichthyes vs Osteichthyes - Differences ( Zoology / Biology )

Here are differences between Chondrichthyes and Osteichthyes. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Coelom Notes ( Biology / Zoology )

Here are the detailed Notes on Coelom. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Colour of Feathers - Different Reasons ( Zoology / Biology )

Here are the reasons behind the Colouration of Feathers due to different pigments. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Connective vs Commissure - Differences ( Zoology / Biology )

Here are the differences between Connective and Commissure. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Coral Reef Notes - Types, Causes, Significance ( Zoology / Biology )

Here are the complete notes on Coral Reef, its types, causes, significances, etc. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.

Cow stomach vs Camel stomach - Differences ( Zoology / Biology )

Here are the differences between Cow stomach and Camel stomach. It is included in the syllabus of B.Sc. Honours 1st Year (Zoology) under Calcutta University.