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Posted by Ritika Satmasia 8 years, 2 months ago

CBSE > Class 12 > Biology

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From where do the bacteria for the fermentation come from?

Posted by Madhu Shree 8 years, 2 months ago

CBSE > Class 12 > Biology

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Which metabolic pathways is taking place resulting in the formation of co2 in dough of dosa and idling?

Posted by Madhu Shree 8 years, 2 months ago

CBSE > Class 12 > Biology

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Which metabolic reaction will result in the production of ethanol by yeast?

Posted by Madhu Shree 8 years, 2 months ago

CBSE > Class 12 > Biology

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give reasons as to why cell division cannot be a type of reproduction in multicellular organism

Posted by Sonam Rani 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Vatsala Pandey 8 years, 2 months ago

By the method of cell division in muticellular organism no any other individual organisms is born. By this method another cell is added to the same organism. It does not proceeds the generation

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What is myxedema

Posted by Saumya H 8 years, 2 months ago

CBSE > Class 12 > Biology

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What is humulin

Posted by Saumya H 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Harsh Bhati 8 years, 2 months ago

Man made insulin

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What is the scientific name of water hyacanth?

Posted by Akriti Sharan 8 years, 2 months ago

CBSE > Class 12 > Biology

2 answers

Khushbu Shekhawat 8 years, 2 months ago

Eichornia crassipus

1Thank You

Shivangi Sharma 8 years, 2 months ago

Eichhornia Crassipes

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why do internodal segment of sugarcane fail to propagate vegetatively even when they are in contact with damp soil

Posted by Sonam Rani 8 years, 2 months ago

CBSE > Class 12 > Biology

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Is human evolution is example of adaptive radiation

Posted by Jaahnavi Pannur 8 years, 2 months ago

CBSE > Class 12 > Biology

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Please explain rna interference briefly and how pathogens disarmed

Posted by Gunjan Pandey 8 years, 2 months ago

CBSE > Class 12 > Biology

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What is stratification

Posted by Ritu Vashisth 8 years, 2 months ago

CBSE > Class 12 > Biology

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Virus have DNA or RNA or both

Posted by Anvi Singh 8 years, 2 months ago

CBSE > Class 12 > Biology

2 answers

Abc Kamboz 8 years, 2 months ago

Virus have either DNA or RNA. No virus contains both RNA and DNA

2Thank You

Nadeem Dar 8 years, 2 months ago

RNA

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How a baby born

Posted by Aditi Shandilya 8 years, 2 months ago

CBSE > Class 12 > Biology

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What is biology?

Posted by Tadar Yam 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Abc Kamboz 8 years, 2 months ago

Biology is the branch of science that deals with the study of Flora and fauna

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What is the difference between recombination and crossing over

Posted by Altaf Khan 4 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Sia ? 4 years, 9 months ago

Recombination vs Crossing Over
Recombination refers to the process of recombining genes to produce new gene combinations that differ from those of either parent.	Crossing over is the process of exchanging segments of chromosomes between homologous chromosomes.

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Define hotshot

Posted by Rajan Kumar Sahni 8 years, 2 months ago

CBSE > Class 12 > Biology

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What are cry genes

Posted by Nooman Ansari 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Nandini Sharma 8 years, 2 months ago

The gene which code insecticidal protein crystalisolated from basilus thuringenesis.

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Name the base triplets which code for amino acid as well as start signal for translation

Posted by Samrat Shitanshu Maurya 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Bhargav Singh 8 years, 2 months ago

AUG (methonine)

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Why male mitochondria is not present in zygote

Posted by Sahil Mansoor 8 years, 2 months ago

CBSE > Class 12 > Biology

2 answers

Samrat Shitanshu Maurya 8 years, 2 months ago

Because only head portion of sperm enter into zona Pellucidar and mitochondria are present below the head of the sperm.

1Thank You

Payal Dewani 8 years, 2 months ago

Cause only nucleus of sperm enters zona pellucida

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What is genetic drift? Is it also called sewall wright effect? If not what is the other name of sewall wright effect?

Posted by Vatsala Pandey 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Sonia Dhawan 8 years, 2 months ago

genetic drift is the random changes in gene frequencies in a population occuring by chance. yes,it is also called swell wright effect.

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Give an example of a gene responsible for multiple phenotypic expression. What are such genes called? State the cause that is responsible for such an effect.

Posted by Suraj Singh 8 years, 2 months ago

CBSE > Class 12 > Biology

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What is mutagen? Name a physical factor that can be a mutagen.

Posted by Navjot Sandhu 8 years, 2 months ago

CBSE > Class 12 > Biology

1 answers

Vatsala Pandey 8 years, 2 months ago

Mutagen are the agents which causes mutation. It can be of three types- physical, chemical or biological A physical factor that can be a mutagen are rays (ultraviolet, alpha, beta, gamma)

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What is self incompatibility

Posted by Nasreen Bano 8 years, 2 months ago

CBSE > Class 12 > Biology

2 answers

Alisha Bisht 8 years, 2 months ago

When the stigma of flower refused pollen grains to fuse with ovary to avoid self pollination and to allow cross pollination.......there are so many condition for self incompatibility....like sometime the position of stigma is upper and the position of anther is lower so that pollen grains can not reach to the stigma

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Tarun Yadav 8 years, 2 months ago

Sterility for self is known as self incompatibility.

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Which proteins are associated with DANA

Posted by Rashi Hazri 8 years, 2 months ago

CBSE > Class 12 > Biology