questions and answers Biology

IIT JAM Biotechnology (BT) 2017 Original Solved Question Paper with Answer Key (Download PDF)


JAM Biotechnology 2017 Paper PDF

IIT JAM BT 2017 Solved Paper with Key (PDF)

Official / Original Previous Year (Old) Solved Question Paper of IIT / IISc Joint Admission Test for MSc JAM Biotechnology (BT) Examination 2017 with Answer Key and Explanations as PDF. JAM aspirants can download the question paper as single PDF file for your exam preparation.

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questions and answers Biology

IIT JAM Biological Science (BL) 2017 Original Solved Question Paper with Answer Key (Download PDF)


JAM BL 2017 Solved Question Paper

IIT JAM BL 2017 Original Solved Question Paper with Answer Key PDF

Official / Original Previous Year (Old) Solved Question Paper of IIT / IISc Joint Admission Test for MSc JAM Biological Science (BL) Examination 2017 with Answer Key and Explanations as PDF. JAM aspirants can download the question paper as single PDF file for your exam preparation.

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Free Net Life Science Study Materials

CSIR JRF NET Life Sciences December 2010 Original Solved Question Paper with Answer Key as PDF


NET Life Science Solved Question Paper

CSIR JRF NET Life Sciences December 2010 Solved Question Paper PDF

Official / Original Previous Year (Old) Solved Question Paper of CSIR Junior Research Fellowship (JRF) and National Eligibility Test (NET) Life Sciences (XL) Examination Dec 2010  with Answer Key PDF. CSIR aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Research Methodology Lecture Notes

What is Science? (About Science and Scientific Knowledge with PPT)


Science Word Definition

What is Science?
(The Concept of Science and Scientific Knowledge)

“Only two things are infinite, the universe and human stupidity, and
I’m not sure about the former…”

Albert Einstein

What is science?

Ø  Definition of science: Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the world.

Ø  The word ‘science’ is originated from a Latin term ‘scientia’ = KNOWLEDGE.

Ø  Philosophically science is an attempt to understand, explain and predict the world we live.

Ø  Religions also attempt to understand & explain the world. However, religions are NOT considered as science.

What is Knowledge?

Ø  Definition of Knowledge: The expertise and skills acquired by a person by experience or education (Oxfd. Dict.).

Ø  Knowledge is the Theoretical or Practical understanding of a subject gained through complex cognitive processes.

Ø  The cognitive processes to acquire the knowledge are Perception, Learning, Memory, Experience and Judgment.

Ø  Knowledge is the comprehension (conception) of realities of the Universe.

What is Epistemology?

Ø  Epistemology is a branch of philosophy which deals with the study of KNOWLEDGE.

Ø  Epistemology analyzes the nature of knowledge and how it relates truth, belief and justification.

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Botany lecture notes

Polysiphonia: Thallus Structure, Reproduction, Post Fertilization Changes and Life Cycle


Polysiphonia Post Fertilization Changes

Polysiphonia
(Thallus Structure, Reproduction, Post Fertilization Changes and Life Cycle)

Polysiphonia- Systematic Position

Division: Rhodophyta
Class: Rhodophyceae
Order: Ceramiales
Family: Ceramiaceae

Distribution of Polysiphonia

Ø  Polysiphonia is marine red algae belongs to the class Rhodophyceae.

Ø  They are abundantly present in the Atlantic Coasts of America.

Ø  Polysiphonia platycarpa is present in the Indian coastal regions.

Ø  Polysiphonia violacea is an epiphytic alga grown on some brown algae such as Fucus vesiculosus.

Ø  Some species of Polysiphonia are parasitic (example: Polysiphonia fastigiata).

Thallus Structure of Polysiphonia

Ø  As the name suggests, the thallus of Polysiphonia is siphonous with many interconnected filaments (siphons).

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