No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

    • Posted by Anurag Thakur 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 3 answers

    Nidhi ? Bhola ? 4 years, 4 months ago

    Heart have 4 chambers,2chamber left side of heart and vice versa and both sides of heart have valves,one side have 2valves that is bicuspid valves,and other side have 3 valves that is tricuspid valves, and heart have artries and veins Arteries carry blood away from the heart, Veins carry blood towards the heart

    2Thank You

    Helper . 4 years, 4 months ago

    Heart is dil

    0Thank You

    Mamta ... 4 years, 5 months ago

    The heart is an organ found in every vertebrate. It is a very strong muscle. It is on the left side of the body in humans and is about the size of a fist. It pumps blood throughout the body.

    3Thank You

    ANSWER

    • Posted by Patel Vidhi 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Khushi Pandey 4 years, 3 months ago

    After absorption of light engery from sun the process which takes place by the help of enzymes in plants for synthesis of their food is called dark reaction.

    1Thank You

    ANSWER

    • Posted by Shahu Sardar 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 4 answers

    Nidhi ? Bhola ? 4 years, 4 months ago

    1,because 1sperm fertilise only one egg

    1Thank You

    Hey Kriti 4 years, 4 months ago

    During fertilization, when the sperm(having acrosome in the head of sperm) come in contact with zona pellucida(layer of ovum), zona pellucida allows to enter only that sperm and prevents the entry of other sperms. Acrosome helps to penetrate the zona pellucida.

    0Thank You

    Apeksha Dodyal 4 years, 4 months ago

    It needs two sperms because, one of the sperm reacts with the diploid secondary nucleus to form primary endosperm nucleus which is triploid in nature and another sperm reacts with the egg to form zygote.endosperm provide nourishment to developing embryo.

    0Thank You

    Gunja Kumari 4 years, 5 months ago

    1

    4Thank You

    ANSWER
    While having lessons of biology in school, Rohit listened carefully to his teacher Mrs Kavita, explaining how do plants grow, develop and prepare their own food by photosynthesis. She also explained them that they themselves can observe this by growing a plant at home. Rohit too, out of curiosity potted a plant in his room but after a week or two, he observed that leaves of plant became yellow and finally they started wilting. He asked his biology teacher about this and she told him that light is necessary for photosynthesis to occur. (a)Give an overall equation for photosynthesis showing its requirements as well as products formed. (b)What role do light play in the process of photosynthesis? (c)Name other factors that influence the rate of photosynthesis. (d)What values are observed from Rohit’s characte

    • Posted by Niranjana Rajesh 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Adithya Dev A 4 years, 3 months ago

    (a) 6 CO2 (g) + 6 H2O (l) ---Sunlight---Chlorophyll---> C6H12O6 (aq) + 6 O2 (g). (b) Light energy, obtained by plants as photons with the help of chlorophyll, is used in breaking down water molecules into hydrogen (used to reduce carbon dioxide to carbohydrates) and oxygen. (c) Factors influencing rate of photosynthesis = Availability of carbon dioxide, availability of water, presence of sunlight and presence of chlorophyll.

    0Thank You

    ANSWER

    • Posted by Kavya S.P 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Pushpender Gill 4 years, 5 months ago

    Silk cotton.

    1Thank You

    ANSWER

    • Posted by Lee Moyon 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Kavya S.P 4 years, 5 months ago

    Prophase, metaphase,anaphase,telophase,

    1Thank You

    ANSWER

    • Posted by Pushpender Gill 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Balwant Kumar 4 years, 5 months ago

     

    If the fruit is derived from the ovary alongwith other accessory floral parts, it is called false fruit.

    0Thank You

    ANSWER

    • Posted by Dev Bharati 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Pushpender Gill 4 years, 5 months ago

    Mycoplasma , example PPLO(Pleuro Pneumonia Like Organisms) Hope this Will help you !!

    2Thank You

    ANSWER

    • Posted by Keshav Kumawat 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Khushi Rao 4 years, 2 months ago

    Small intestine is a part of digestive system , it helps in the digestion of food which came from the stomach and get the energy from food . Large intestine is also a part of digestive system, it helps to absorb water from the digested food and also helps to get the food to rectum and ****

    0Thank You

    Vishal Prajapat 4 years, 5 months ago

    Large intestine me food store hota h aur small me digestion hota h

    1Thank You

    ANSWER

    • Posted by Nainu Kaur 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Arvind Jangid 4 years, 5 months ago

    Reason: The role of oxygen in the regulation of respiratory rhythm is quite significant.  All the factors in our body are facourable for diffusion of O2 from alveoli to tissues and that of CO2 from tissue to alveoli. ,brgt The role of oxygen in the regulation of respiratory rhythm is quite insignificant.

    0Thank You

    ANSWER

    • Posted by Aman Choudhary 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Aman Choudhary 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Kartik Chetija 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Aryan Singh 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Arvind Jangid 4 years, 5 months ago

    Difference Between Cartilaginous Fish and Bony Fish Cartilaginous Fish Bony Fish Biological Classification Cartilaginous fishes fall under the class Chondrichthyes All bony fish fall under the superclass Osteichthyes Endoskeleton Primarily composed of cartilage Primarily composed of bone Operculum Present Absent Tail Heterocercal in nature Homocercal in nature Ecosystem Members primarily inhabit marine ecosystems. However, some exceptions are present Members inhabit both marine and freshwater ecosystems Mode of Fertilization Internal (exceptions are present) External Swim Bladder Absent. Buoyancy is maintained with oil stored in livers. Present (except for some bony fishes that dwell in the deep). Example Great white sharks, whale sharks and every other species of sharks Sunfish, Tuna, Herring, Trouts etc

    1Thank You

    ANSWER

    • Posted by Rishika Yadav 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Adithya Dev A 4 years, 3 months ago

    Glucose is highly soluble in water. Therefore, after photosynthesis, the obtained glucose would get dissolved in water and be lost through transpiration. Therefore, just after synthesis, Glucose is converted into starch which, being an insoluble form of carbohydrate, makes it an ideal storeable form in plants.

    0Thank You

    Pushpender Gill 4 years, 5 months ago

    It's molecules is being large can easily transported, so it is first converted into sucrose than transported... Fact: sucrose is sweetest sugar!!! I think this would help you.

    0Thank You

    ANSWER

    • Posted by Shubham Kumar Modanwal 4 years, 4 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Sia ? 4 years, 4 months ago

    The specialisation of work tasks by means of which different occupations are combined within a production system. With the development of industrialisation, the division of labour becomes more complex than any prior type of production system. In the modern world, the division of labour is international in scope. On the basis of division of labour, the concept of organic solidarity functions with the form of social cohesion. The interdependence of members of society is the result of such kind of solidarity.

    0Thank You

    Khushi Pandey 4 years, 3 months ago

    The work of pancreas, stomach, heart, small intestine, are different means they have divided the task among them. This is division of labour. Hope u understand ?

    1Thank You

    ANSWER

    • Posted by Bye Sorry Sorry 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 3 answers

    Khushi Pandey 4 years, 3 months ago

    Metabolism and response to stimuli(environment) is the basis to tell a organism is living or not because mountain also show growth We cannot say that they are living similarly there are many couples who are unfertile so we can't say they not living. Hope u understand ???

    1Thank You

    Areebah Khan 4 years, 5 months ago

    An organism is said to be living, if it shows certain characteristic features that make it different from non-living things.

    1Thank You

    Pushpender Gill 4 years, 5 months ago

    Living refer to those which do:- - Growth - metabolism - reproduce - consiousness, etc Describe above points you will score ? full marks Thanks!!

    0Thank You

    ANSWER

    • Posted by Aditya Dev 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Mansi Xii–B 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Prem Bhati 4 years, 5 months ago

    The production of red blood cells

    3Thank You

    ANSWER

    • Posted by Divya Kushwah 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 3 answers

    Vishal Prajapat 4 years, 5 months ago

    My exam has been done

    0Thank You

    ? Royal Thakur ? 4 years, 5 months ago

    No

    0Thank You

    Neeraj Gupta 4 years, 5 months ago

    mine's

    0Thank You

    ANSWER

    • Posted by Neeraj Palla 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Ayushi Jain 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Chhatrasinh Chauhan 4 years, 5 months ago

    There no ans you you are losser

    0Thank You

    ANSWER

    • Posted by Ayushi Jain 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Ayushi Jain 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Nidhi ? Bhola ? 4 years, 4 months ago

    Meiosis means half of chromosomes During fertilisation meiosis are occur in our body have 23pair of chromosomes r present 23pair chromosomes mother ki side se pass hote h ,23father ki side se Total 46pair of chromosomes ho gye meiosis hone k bd half of chromosomes ho jate h jisse baby meh 23pair of chromosomes inherited hote h

    1Thank You

    ANSWER

    • Posted by Ayushi Jain 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Nishta Kohli 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Md Shane Raza 4 years, 5 months ago

    dinoflagellates like gonyaulax releases harmful toxic that is saxitoxin which causes large number of death of marine animals like fishes etc.

    2Thank You

    ANSWER

    • Posted by Suramya Shakya 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Ranjita Pradhan 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 5 answers

    Pushpender Gill 4 years, 5 months ago

    Cell is that which have independent existence, that's why it is called fundamental unit of life!!

    0Thank You

    Vishal Prajapat 4 years, 5 months ago

    Cell is functional and structural unit of an organ

    0Thank You

    Prem Bhati 4 years, 5 months ago

    Cell is a fundamental unit of life

    0Thank You

    Magdalin Felicita 4 years, 5 months ago

    A cell is fundamental structural and functional unit of all living organisms

    1Thank You

    Suramya Shakya 4 years, 5 months ago

    Basic structural and functional unit of life

    1Thank You

    ANSWER

    • Posted by Tanya Jangid 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Shreyash Saraswat 4 years, 5 months ago

    Nephridia are the excretory organs in earthworms and some of the annelids. They have the ability to regulate osmoregulation

    2Thank You

    ANSWER

    • Posted by Sherin James 4 years, 5 months ago

    CBSE > Class 11 > Biology
    • 3 answers

    Aditi. Bains 4 years, 5 months ago

    It is impermeable to water but allows transport of electrolytes

    0Thank You

    Tilakraj Sharma 4 years, 5 months ago

    What is cells

    1Thank You

    Priyanshi Sharma 4 years, 5 months ago

    It maintain the concentration of filtrate coming from descending limb which is very concentrated.

    1Thank You

    ANSWER

    myCBSEguide App

    myCBSEguide

    Trusted by 1 Crore+ Students

    Install Now

    Test Generator

    Test Generator

    Create papers online. It's FREE.

    Try Now

    CUET Mock Tests

    CUET Mock Tests

    75,000+ questions to practice only on myCBSEguide app

    Install Now
    Google Play

    Download myCBSEguide App

    All Courses

    Other Websites

    CBSE Courses

    Resources

    Corporate

    NCERT Solutions

    CBSE Sample Papers

    All Content and Intellectual Property is under Copyright Protection | myCBSEguide.com ©2007-2025