CBSE > Class 12 > Biology | CBSE Board | Homework Help

I'll tell u the easiest way.... First things first... get rid of ur phone....clear ur mind and then from ur cupboard dust off the biology textbook and.... listen to this.... this is the important process of the entire experiment of reading ...now goto ur study table and open the first page.....now things gets tricky....do not read the first page that we call acknowledgement ....don't worry they'll not ask from it anyway..... And then start reading from first chapter....I tried my best to explain a retard how to read.... Have a nice day... And atb for Bio exam....

1Thank You

Divyanshi Singh 8 years ago

Prefer ncert, prepare definitions and practice diagrams with labelling separately and solve question papers..

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ANSWER

Facultative anaerobes?

Posted by Jahanavi Tewari 8 years ago

CBSE > Class 12 > Biology

1 answers

Pruthviraj Biradar 8 years ago

The organisms which live in absence of oxygen but if their is air then also they can survive and if in the presence of oxygen the organism die then they are obligate anaerobes

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how much bio syllabus u all have covered?

Posted by Tehrim Rockstar 8 years ago

CBSE > Class 12 > Biology

7 answers

Tehrim Rockstar 8 years ago

are vah muje bi pdado yr kuch topper mam ??

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Tehrim Rockstar 8 years ago

ok tell me what is so special about neelakurangi plants

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Vithika Singh 8 years ago

Yuppp??...puch lo kuch v

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Tehrim Rockstar 8 years ago

seriously vithika fr to tum top krogi bio me ?

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Vithika Singh 8 years ago

All??

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Tehrim Rockstar 8 years ago

only 2 chap nd u

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Utkarsha Nayak 8 years ago

How much you have covered, Ms Kaur

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ANSWER

How to prepare the diagram T.S of embryo of grass..?

Posted by Divyanshi Singh 8 years ago

CBSE > Class 12 > Biology

2 answers

Divyanshi Singh 8 years ago

Hm..But kavya i have seen this question many times exams...?

1Thank You

Pruthviraj Biradar 8 years ago

No need of that just do practice of TS of monocot embryo

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Which is the most imp ch in bio. Please tell........ ...??

Posted by Bio Tech 8 years ago

CBSE > Class 12 > Biology

3 answers

Vithika Singh 8 years ago

11,12,6,5 enough h

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Tehrim Rockstar 8 years ago

genetics vala

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Divyanshi Singh 8 years ago

Ch 2, 6, 8, 9, 11, 12, 13, 16

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Which bone known as hyoid bone

Posted by Chandni Rajpoot 8 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Why exine should be hard

Posted by Deependra Chouhan 8 years ago

CBSE > Class 12 > Biology

2 answers

Kiran Bala 8 years ago

To preserve and protect the pollen grain

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Swagata Singha 8 years ago

Exine is hard as it contains a highly resistive substance called sporopollenin.

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ANSWER

Why does DNA replication occur in small replication fork and not in its entire length?,why is DNA replication continuous and discontinuous in a replication fork?,explain the importance of origin of replication fork?

Posted by Sakshi Kumari 8 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Why in perennial species it is difficult to clearly define the phases of life ?????????

Posted by Pankaj Sihag 8 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Water hyacinth

Posted by Tarun Saini 8 years ago

CBSE > Class 12 > Biology

2 answers

Utkarsh Raj 8 years ago

Water hyacinth is commonly called Terror of Bengal.It is a invasive weed which propagates at a phenomenal rate and spreads all over the water body in a very short period of time.It drains oxygen from water which leads to death of fishes.

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Pankaj Sihag 8 years ago

Water hyacinth is eicchornia or terror of bengal which was introduced in bay of bengal due to its beautiful flower and shape but later on it spreads alarmingly and drains the oxygen from sea which kills the aquatic animals ...........

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After eating.why a person not hungry?

Posted by Prashuk Jain 8 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Why there is not mention of headings this creates a lot of confusiin in reading??

Posted by Trashti Gupta 8 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

जीव और जन्तुओं मे अंतर

Posted by Maths Topper Girl 8 years ago

CBSE > Class 12 > Biology

2 answers

Tehrim Rockstar 8 years ago

sry creatures

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Tehrim Rockstar 8 years ago

jeev are animals and humans nd jantu r small insects and creatured

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In some plants , where flowering occur more than once , what would you call the interflowering period - juvenile or mature

Posted by Pankaj Sihag 8 years ago

CBSE > Class 12 > Biology

5 answers

Ekta Shekhawat 8 years ago

Please explain it in detail.

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Jahanavi Tewari 8 years ago

Mature period

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Isabelle Matthew 8 years ago

I read it online on AIPMT

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Tehrim Rockstar 8 years ago

how can u say that

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Isabelle Matthew 8 years ago

Juvenile period

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Cloning site?

Posted by Ashwani Yadav 8 years ago

CBSE > Class 12 > Biology

1 answers

Samu Dr 8 years ago

By adding to which transforming DNA could be multipled in large number

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Explain the two ways by which seed develop without fertilisation

Posted by Neha Tomar 8 years ago

CBSE > Class 12 > Biology

2 answers

Gullu Verma 8 years ago

1.in some species diploid egg cell is formed without reduction division and develops into the embryo without fertilisation 2.some of the nucellar cells surrounding the embryo sac start dividing ,protrude into the embryo sac and develops into embryo

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Ashutosh Singh 8 years ago

In a nutritious medium

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Difference between animal and mammals

Posted by Amit Patwa 4 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Sia ? 4 years, 9 months ago

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Regeneration and fragmentation in difference

Posted by Gautam Prasad 8 years ago

CBSE > Class 12 > Biology

1 answers

Vidhi Verma 8 years ago

In fragmentation parent body is break into two or more parts and each part grow as independent individual In regeneration missing part of the organism is repaired by proliferation of cell

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where is acrosome present

Posted by Parteek Kumar 8 years ago

CBSE > Class 12 > Biology

1 answers

Pranjali Mahajan 8 years ago

On sperm

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difference between in vivo and in vitro fertilization

Posted by Riya Sharma 4 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Sia ? 4 years, 9 months ago

In vivo refers to when research or work is done with or within an entire, living organism. Examples can include studies in animal models or human clinical trials.

In vitro is used to describe work that’s performed outside of a living organism. This can include studying cells in culture or methods of testing the antibiotic sensitivity of bacteria.

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What i read firstly from which chapter i start?

Posted by Amaya Thakur 8 years ago

CBSE > Class 12 > Biology