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PLANT HORMONES | FOUR MAJOR TYPES OF PLANT HORMONES

PLANT HORMONES | FOUR MAJOR TYPES OF PLANT HORMONES

What is Plant Hormones? The special substances produced by the plants which influence the growth and plant responses to various stimuli are called plant hormones.Let’s discuss in detail different types of plant hormones are as under; TYPES OF PLANT HORMONES There are four types of plant hormones; Auxins Gibberellins Cytokinins Abscisic acid AUXINS These are…

By Free Online Notes April 26, 2018 Off

COORDINATION IN PLANTS | PLANT MOVEMENTS & HORMONES

COORDINATION IN PLANTS | PLANT MOVEMENTS & HORMONES

What is Coordination in Plants? Plants behave but their behaviour is fundamentally different from that of animals. The difference is due to two ways of life sessile on one hand and motile on the other.      Passive, complex and dynamic: Plants, compared to animals are far from being passive, and are a complex dynamic organism…

By Free Online Notes April 26, 2018 Off

LOCOMOTION | LOCOMOTION IN INVERTEBRATES AND VERTEBRATES

LOCOMOTION | LOCOMOTION IN INVERTEBRATES AND VERTEBRATES

What is locomotion in Protoctista and invertebrates and vertebrates?There are varieties of organisms which have evolved different modes of locomotion. Let’s discuss in detail locomotion in Protoctista and invertebrates  are as under; LOCOMOTION IN PROTOCTISTA AND INVERTEBRATES LOCOMOTION IN EUGLENA Euglena moves with the help of flagellum. As the flagellum is whipped backward the organism moves…

By Free Online Notes April 23, 2018 Off

WHAT ARE MUSCLES | DIFFERENT TYPES OF MUSCLES

WHAT ARE MUSCLES | DIFFERENT TYPES OF MUSCLES

What are Muscles? Many multicellular animals have evolved specialized cells for movement. These cells contain numerous filaments of special proteins, action, and myosin. let’s discuss in detail various types of muscles are as under; TYPES OF MUSCLES The vertebrates possess three types of muscle cells. Smooth muscles Cardiac muscles Skeletal muscles. SMOOTH MUSCLES Smooth muscles…

By Free Online Notes April 23, 2018 Off

WHAT ARE JOINTS | CLASSIFICATION OF JOINTS

WHAT ARE JOINTS | CLASSIFICATION OF JOINTS

What are Joints? Joints occur where bones meet. They not only hold together but also give it the mobility to the skeleton. Joints are classified either on the basis of the amount of movement or on the basis of structure. Let’s discuss in detail what are joints and classification of joints are as under; CLASSIFICATION OF JOINTS…

By Free Online Notes April 20, 2018 Off

HUMAN SKELETON | VARIOUS PARTS OF HUMAN SKELETON

HUMAN SKELETON | VARIOUS PARTS OF HUMAN SKELETON

What is Human Skeleton? As we know that Human skeleton is a tough and rigid framework of the body which includes a skull, vertebrae, ribs, sternum, pectoral girdle and appendages (forelimbs), and pelvic girdle and appendages (hind limbs). Let’s discuss in detail various parts of the human skeleton are as under; PARTS OF HUMAN SKELETON           …

By Free Online Notes April 20, 2018 Off

MOVEMENTS IN PLANTS | DIFFERENT TYPES OF MOVEMENTS

MOVEMENTS IN PLANTS | DIFFERENT TYPES OF MOVEMENTS

What are Movements in Plants? Living Organisms respond to the external as well as internal stimuli. Animals move in response to external stimuli by motion. Similarly, plants also show movements. Animals change their location in response to the stimulus. Plants are fixed therefore they change their growth pattern. Let’s discuss in detail different types of…

By Free Online Notes April 20, 2018 Off