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Reasons of importance of algae ---- (1.) Algae constitute the link of food chain. (2.) Algae is used in fish culture. (3.) Algea is used for recreational purpose. (4.) Algae is useful in sewage treatment plants. (5.) Algae as the origin of petroleum and gas. (6.) Algea is used in space research and other fundamental studies. (7.) Algae is used as Food, Fodder, Fertilizers and medicine etc.

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Shotnots of phylum platyhelminthes

Posted by Emlen Aditi 7 years, 5 months ago

CBSE > Class 11 > Biology

2 answers

Shreya Gour 7 years, 5 months ago

????

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Manika Gupta 7 years, 5 months ago

Write from book

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What is bacteriophage

Posted by Garvit Mittal 7 years, 5 months ago

CBSE > Class 11 > Biology

3 answers

Vimal Singj 7 years, 5 months ago

The virus which kill the bacteria is called bacteriophage

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Sabarinathan Gana 7 years, 5 months ago

Virus that attack bacteria

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Ashish Soni 7 years, 5 months ago

Virus infacted bacteria is bactetiophage

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what is reptoduction

Posted by Anshika Ranjan 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Sana Khan 7 years, 5 months ago

Reproduction is the biological process in which an organisms give rise to young ones similar to itself .

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Fungi are our friend and foes?

Posted by Ankit Harmukh 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Nischay Kishore 7 years, 5 months ago

Both

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Plz give important topics for NEET

Posted by Rumani Angral 7 years, 5 months ago

CBSE > Class 11 > Biology

2 answers

Neha S M 7 years, 5 months ago

The whole syllabus of cbse class 11 and 12 is important for NEET exam.The best way to be aware of the questions is to practice last year papers.By this you will be able to know the difficulty level of questions..........good luck

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Guru Randhawa 7 years, 5 months ago

Plz give answer instantly because I want to know answer of this question.

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What is haploid and diploid?

Posted by Reshi Reshi 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Rumani Angral 7 years, 5 months ago

Haploid means half no. of chromosomes (hap resembles in pronunciation with half) and Diploid means full no. of chromosomes

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Some points of plasma membrane

Posted by Arundhati Ammu 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Ashish Soni 7 years, 5 months ago

Plasma membrane is selectively permeable membrane It protect internal cell organelle It mentain osmosis and diffusion pressure of cell Etc

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Why our heart is called myogenic

Posted by Rajveer Singh 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Ashish Soni 7 years, 5 months ago

Myogenic term is related to muscle and our heart has special type of cardic muscle which regulary have rethamic contractions and relaction means it work by muscle not by nerves cell thats why it is called myogenic . All vertebrae have myogenic heart

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How do red algae prepare their food

Posted by Chhatrapal Singh 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Ashish Soni 7 years, 5 months ago

By the help of co2 water and chlorophyll in the presence of sunlighy

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Why are living organisms classified

Posted by Harsh Yadav 7 years, 5 months ago

CBSE > Class 11 > Biology

3 answers

Rumani Angral 7 years, 5 months ago

Living organisms are classified as there are a huge no. of living organisms So for ease of study we have to classify living organisms to study them more easily

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Thiri Vikraman 7 years, 5 months ago

There is need to classify organisms to make the study on them easier and also to identify them

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Amuthapriyaa Gunasekaran 7 years, 5 months ago

The living organisms are classified because there is a vast number of varieties of living organisms in the world. Due to this reason living organisms are classified and also not to get confused .

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Differentiate between root and stem

Posted by Harman Bhullar 7 years, 5 months ago

CBSE > Class 11 > Biology

2 answers

Ashish Soni 7 years, 5 months ago

Root emerges from radicle part of seed and shoot emerges from plemule part of germinating seed Shoot is airel part and root is ground part

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Amuthapriyaa Gunasekaran 7 years, 5 months ago

Root us bottom last part of a plant that can be seen under the soil and there is two varites of root they are tap root and fibrous root whereas stem is middle part of a plant .

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The lifespan of honey bee span is

Posted by Anurag Bhankhar 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Reshi Reshi 7 years, 5 months ago

122-152days

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Royal jelly is secreted from

Posted by Anurag Bhankhar 7 years, 5 months ago

CBSE > Class 11 > Biology

1 answers

Guru Randhawa 7 years, 5 months ago

Ans. Royal jelly is a honeybee secretion that is used in the nutrition of larvae as well as adult queens. IT IS SECRETED FROM THE GLANDS IN THE HYPOPHARYNX OF NURSE BEES, and fed to all larvae in the colony, regardless of *** or caste.

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Flame cell are the excretory organ in

Posted by Anurag Bhankhar 7 years, 5 months ago

CBSE > Class 11 > Biology