01:17

Mirror Formula , Magnification,Sign Convention Notations of concave mirror

00:36

Reflection of Light

00:29

Images formed by concave lens

01:08

Images formed by Convex lensvv

00:59

Images form by Concave mirror

00:54

Image formation by a Concave Mirror, Real image, inverted image

00:52

Concave lens and Convex lens

01:15

Speciation

01:29

Sex Determination

02:23

Inherited Traits

00:46

How do Organisms Reproduce

02:25

Fossils and Evolution by Stages

02:48

Expression of Traits

02:34

Evolution

01:34

Evolution and Progress

01:46

Evolution and Classification

02:06

Acquired and inherited Traits

01:15

Accumlation of Variation During Reproducation

01:39

Reproductive Phase of Life in HUmans

01:27

Sexual Reproduction

01:04

sexual Reproduction in Plants

00:38

Voice Change

01:03

Viviparous and Oviparous Animals

00:36

Secondary Sexual Characters

01:20

Respiration

01:00

Vegetative Propagation

00:43

Types of Fertillization

00:35

Asexual Reproduction by Regeneration

01:34

Fertillization in human

01:29

female Reproductive System Sexual Reproduction

01:02

Reproduction

00:49

Asexual Reproduction by spore formation

01:23

FertilIzation in plant

00:41

Asexual Reproduction by Budding

00:38

Asexual Reproduction by Fission

00:34

Reproduction in Human Beings

00:51

In Vitro Fertilization

01:15

Male Reproductive System Sexual Reproduction

00:59

Asexual Reproduction by fragmentation

00:16

Development of Sex Organs

01:49

How is The Sex of the Baby Determined

01:10

Reproductive Health

01:26

The Human Eyes

01:01

Twinkling of stars, Twinkling of stars due to Atmospheric refraction

00:44

Sky appear blue

00:31

Tyndall effect, Scattering Of Light By Colliodal Particles

02:34

Refraction of Light Throgh A Prism

00:52

Rain Bow, The rain bow due to Atmospheric refraction

00:56

Power of Accommodation of Eye

01:37

Dispersion of white light by a prism

03:08

Defects of Vision and Their Correction

02:29

Colour of the Sun at Sunrise and Sunset

00:34

Advance sunrise and delayed sunset, Advance sunrise and delayed sunset due to Atmospheric refractio

01:04

control and Coordination Nervous Tissue

01:23

Central nervous System

01:20

Coordination in Plants

00:25

Role of Hormones in Insexts

00:51

control and Coordination Reflex Action

01:33

Hormones in animals Chemical Coordination in animals

00:49

Nervous System human brain