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    • Posted by Anime Docs 2 years ago

    CBSE > Class 12 > Biology
    • 1 answers

    Satyaki Yadav 2 years ago

    Lactic Acid Bacteria (LAB) is generally found in Curd. One of it's major qualities is that it increases the nutrition value of curd by increasing the content of Vitamin B12.

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    • Posted by Jhalak Kirad 2 years ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Khushi Jaiswal 2 years ago

    CBSE > Class 12 > Biology
    • 2 answers

    Anushka Singh 1 year, 11 months ago

    Sickle cell anemia:- This defect is caused by the substitution of Glutamic acid by Valine at the sixth position of the beta globin chain of the hemoglobin molecule

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    Sayeqa Anjum 1 year, 11 months ago

    Colour blindness- Defect in ability of cones to perceive red and green colour is called colour blindness

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    • Posted by Dhruv Pratap Singh Dhruv Pratap Singh 2 years ago

    CBSE > Class 12 > Biology
    • 1 answers

    Rajesh Yadav 2 years ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Neeru Sahu 2 years ago

    CBSE > Class 12 > Biology
    • 3 answers

    Saksham Garg 1 year, 11 months ago

    Ha, gene always occurs in pair

    0Thank You

    Adarsh Jaiswal 1 year, 11 months ago

    Ha Pair me hote hai aor uuse allele kahte hai

    1Thank You

    Komal Gupta 2 years ago

    Genes pair me hi hote h aur uss gene ke ek bhaag ko allele kehte h

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    • Posted by Mohammed Munaf 2 years ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anushka Singh 1 year, 11 months ago

    Toppr Hershey and Chase performed a series of experiments to prove that the DNA is the genetic material. They took bacteriophages that contained the radioactive sulphur and radioactive phosphorous.  The bacteriophages were then made to infect the bacterial cells and these cells were then studied. The cells that were infected with the radioactive sulphur had protein with radioactive sulphur and not the genetic material. The bacterial cells that were infected with the radioactive phosphorus and phosphorous in the cells. This lead Hershey and Chase to conclude that DNA is the genetic material.

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    • Posted by Krish Yadav 2 years ago

    CBSE > Class 12 > Biology
    • 3 answers

    Vishal Potter 1 year, 8 months ago

    Genetic disorders like down's syndrome, Turner syndrome

    0Thank You

    Anushka Singh 1 year, 11 months ago

    Genetic disorders are due to alterations or abnormalities in the genome of an organism. A genetic disorder may be caused by a mutation in a single gene or multiple genes. It can also be due to changes in the number or structure of chromosomes.

    0Thank You

    Anshul Pratap Singh 2 years ago

    If there is any change ment during splitting of chromosomes i.e during cell division then this is known as genetic disorder Ex . Turner syndrome .this occur due to trisomy of 21 pair of chromosomes

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    • Posted by Shruti Mishra 2 years ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anil Tadvi 2 years ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Safeen Sab 2 years ago

    CBSE > Class 12 > Biology
    • 4 answers

    Nandini Upadhyay 1 year, 11 months ago

    Non sticky, light pollen grains and feathery .they do not have colour or fragrance

    0Thank You

    Ankit Anagh 2 years ago

    They are Not Colourful to Conserve energy. They are released in Large Amounts. They are Feathery.

    0Thank You

    Sarita Mishra 2 years ago

    A large amount of pollen is formed so that the pollination can occur properly. The flowers formed are generally unisexual, dull-colored, and odorless. The flowers possess a sticky stigma so that pollen can bind easily.

    0Thank You

    Neha Thakur 2 years ago

    They doesn't produce nactar They are not colourull

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    • Posted by Gk Gk 2 years ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anshul Pratap Singh 2 years ago

    Part of chromosomes that having information related to genetic A chromosomes have many no. of gene

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    • Posted by Himan Shu 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 2 answers

    Anshul Pratap Singh 2 years ago

    By process know as insemination

    0Thank You

    Rishab Kumar Kumar 1 year, 11 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Amit Kumar 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anushka Singh 1 year, 11 months ago

    The sino-atrial (SA) node is a specialized bundle of neurons located in the upper part of the right atrium of the heart. The cardiac impulse originating from the SA node triggers a sequence of electrical events in the heart, thereby controlling the sequence of muscle contraction that pumps blood out of the heart. Since the SA node initiates and maintains the rhythmicity of the heart, it is known as the natural pacemaker of the human body.

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    • Posted by Moni K 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Amit Kumar 2 years, 1 month ago

    Homologous

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    • Posted by Pooja Surliya 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 3 answers

    Sumit Yadav 2 years, 1 month ago

    23650592723

    0Thank You

    Sumit Yadav 2 years ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

    0Thank You

    Naveen Sharma 2 years, 1 month ago

    Sewage mainly includes human excreta and contains large amounts of organic waste and pathogenic microbes. Thus it is necessary that waste should be made less polluted before discharging into water bodies. The process of sewage treatment is explained in the following steps: a) Primary treatment - In this treatment, filtration and sedimentation process is applied to remove large and small particles. Filtration process removes the floating debris by passing it through mesh wire screens. Then sedimentation removes the soil and small pebbles. The sediment is known as primary sludge and the supernatant is known as primary effluent. The effluent then enters the secondary treatment. b) Secondary treatment - In this treatment, large aeration tanks containing primary effluent are constantly agitated with a continuous supply of air. Thus aerobic microbes grow vigorously consuming a major part of the organic effluent reducing biological oxygen demand (BOD) of the effluent. The sewage is then passed into the settling tank where bacterial flocs settle and now it is known as activated sludge. Some of the activated sludge is again passed into aeration tank to serve as inoculum while rest of it enters into large tanks called anaerobic sludge digesters. Here anaerobic bacteria grow to produce a mixture of gases such as methane, hydrogen sulphide and carbon dioxide to form biogas. This effluent can then be released into natural water bodies

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    • Posted by Shagufta Yasmeen 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 4 answers

    Rekha Rekha 2 years, 1 month ago

    Function unit. Of dna

    0Thank You

    Afrin Khan Maheros 2 years, 1 month ago

    Gene is genetic character

    0Thank You

    Pragyan Baby 2 years, 1 month ago

    Panting of dna

    0Thank You

    Himanshu Raj Anand 2 years, 1 month ago

    Gene is something which code for traits

    1Thank You

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    • Posted by Sarthak Chandola 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 2 answers

    Shipha Mairisha 2 years ago

    The removal of introns from mRNA is termed as splicing

    0Thank You

    Neha Thakur 2 years ago

    To separate unwanted introns from mrna

    0Thank You

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    • Posted by Shivank Rathore 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Rekha Rekha 2 years, 1 month ago

    As anther mature and dehydrate the. Microspore

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    • Posted by Yoki Kavi 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Nitin Tawda 2 years, 1 month ago

    If the length of E. coli DNA is 1,360 microns then the number of base pairs in this DNA is 4×106.

    3Thank You

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    • Posted by Anshika Puri 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Nitin Tawda 2 years, 1 month ago

    In the presence of antibiotic, the bacteria that are sensitive to it will die. However, if there are any mutants in the population, that can somehow survive its effect, they will multiply and increase in numbers. After that they will live as new species of antibiotic resistant bacteria.

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    • Posted by X A 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Chintu Raj 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 2 answers

    Anushka Singh 1 year, 11 months ago

    • It is uncurable • It's vaccine was prepared by genetic engineering

    0Thank You

    Ayush Dixit 2 years, 1 month ago

    It is a disease that makes the urine yellow colur

    1Thank You

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    • Posted by Ruhani Arora 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 3 answers

    Shagufta Yasmeen 2 years, 1 month ago

    (C ) LNG - 20 because hormonal IUDs require to hostile cevux for sperm....

    1Thank You

    Sonia Sharma 2 years, 1 month ago

    Cu-T

    1Thank You

    Shilpa Devi 2 years, 1 month ago

    A

    2Thank You

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    • Posted by Diksha Foujdar 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Krish Singh 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Aditi Thapa 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 3 answers

    Vijay Kumar 1 year, 11 months ago

    When there is representation of both alleles

    0Thank You

    Shipha Mairisha 2 years ago

    When both alleles dominance and recessive together express themselves in the offspring is called co dominance. Example :- ABO blood grouping

    0Thank You

    Madhu Pandey 2 years, 1 month ago

    Both allel parent vene has heterozygous

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    • Posted by Chanchal M 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 2 answers

    Shagufta Yasmeen 2 years, 1 month ago

    And it produce many seeds and complete it's cycle in one season ...

    0Thank You

    Akansha Rawat 2 years, 1 month ago

    Because it has short life span. Can done self pollination and cross pollination. Contrasting traits

    2Thank You

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    • Posted by Vaibhav Sharma 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Himanshu Raj Anand 2 years, 1 month ago

    Vaccination is an process which leads to immunisation. Vaccination: Introduction of dead mirobes into body Immunisation: response of body toward vaccine

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    • Posted by Ashi Tha 2 years, 1 month ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anushka Singh 1 year, 11 months ago

    the cell or group of cells from which spore mother cells develop

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    • Posted by Poonam Balwada 2 years, 2 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anushka Singh 1 year, 11 months ago

    In society 4 points of significance of reproductive health are as follows: -Reproductive health is vital in the prevention and control of sexually transmitted diseases such as AIDS, HIV, etc. -Population control and unwanted pregnancies can be avoided. -Awareness about pre and post maternal care and proper medications. -Better *** education spreading awareness about contraception, misconceptions, etc.

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    • Posted by Priya . 2 years, 2 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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