No products in the cart.

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

Ask Question

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 4 answers

    Ashish Singh 6 years, 7 months ago

    In parthenocarpic the fruit develop without.fertilisation and in apomixis the seeed develop without fertilisation

    1Thank You

    Harsh Pahuja 6 years, 8 months ago

    Correct

    1Thank You

    Akankshya Priyadarshini 6 years, 8 months ago

    They tends to be different but in case of parthenocarpy the fruit is developed without fertilization but in case of apomixis the seed is developed without fertilization this is the difference between parthenocarpy and apomixis but quite the concept is same

    2Thank You

    Akankshya Priyadarshini 6 years, 8 months ago

    They

    1Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Souromi Chatterjee 6 years, 8 months ago

    When the embryo implants anywhere else than the uterus like fallopian tube, ovary, abdominal cavity by chance it is called ectopic pregnancy

    2Thank You

    Harsh Pahuja 6 years, 8 months ago

    Correct

    0Thank You

    Aditya Raj 6 years, 8 months ago

    When zygote or embryo implant in fallopian tube, this is called ectopic pregnancy. it takes place in fallopian tube.

    1Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Harsh Pahuja 6 years, 8 months ago

    Correct answer is mitocin for live baby and prostaglandin for still baby(died baby(

    0Thank You

    Harsh Pahuja 6 years, 8 months ago

    Wrong

    0Thank You

    Dev Panchal 6 years, 8 months ago

    oxytocin

    1Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Harsh Pahuja 6 years, 8 months ago

    3rd month (12th week)

    0Thank You

    Aditya Raj 6 years, 8 months ago

    At 25th weeks of gestation.

    0Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Harsh Pahuja 6 years, 8 months ago

    Ok

    0Thank You

    Akankshya Priyadarshini 6 years, 8 months ago

    The fruit which develops a thick wall during the the post fertilization event is called as pericarp

    0Thank You

    ANSWER

    • Posted by Chinnu Chinnu 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Meghna Thapar 5 years, 4 months ago

    Ejaculation, the release of sperm cells and seminal plasma from the male reproductive system. Ejaculation takes place in two phases: in the first, or emission, stage, sperm are moved from the testes and the epididymis (where the sperm are stored) to the beginning of the urethra, a hollow tube running through the ***** that transports either sperm or urine; in the second stage, ejaculation proper, the semen is moved through the urethra and expelled from the body.

    0Thank You

    ANSWER

    • Posted by Chinnu Chinnu 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Byydhdb Rhdhd 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Meghna Thapar 5 years, 4 months ago

    The blood concentration of glucose in a normal healthy individual is 4.5-5.0 mM.

    0Thank You

    ANSWER

    • Posted by Sumit Singh 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Yogita Ingle 6 years, 8 months ago

    Non- albuminous – this type of seed completely consumes the nutritive endosperm during their stages of embryo development. e.g pea & groundnut

    0Thank You

    Sumit Singh 6 years, 8 months ago

    Endosperm are completely use during the embryo development is called non abluminous

    0Thank You

    Ďãřşháñăã Yadav ? ? ? ✊ 6 years, 8 months ago

    The seeds which store their food in cotyledons(endosperm absent) are known as non albuminous

    1Thank You

    ANSWER

    • Posted by Ďãřşháñăã Yadav ? ? ? ✊ 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Ďãřşháñăã Yadav ? ? ? ✊ 6 years, 6 months ago

    thanks

    0Thank You

    Harsh Pahuja 6 years, 8 months ago

    Blastocoel is the cavity devloped in the blastocyst during implantaion in the uterus. It is enclosed by three different layers ectoderm,endoderm and mesoderm which causes organ devlopment while blastocoel forms the space (cavity) inside the foetus body.

    1Thank You

    ANSWER

    • Posted by Byydhdb Rhdhd 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Byydhdb Rhdhd 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Harsh Pahuja 6 years, 8 months ago

    Nice answer ??

    0Thank You

    Jaspreet Kaur 6 years, 8 months ago

    For autogamy, stamen and pistil must be present on a same flower. But,in geitonogamy they need to be present on different flowers of same plant . In castor and maize flowers are unisexual. So, autogamy cannot occur but geitonogamy can occur with the aid of insects or agents etc. Geitonogamy literally means neighbour marriage .

    1Thank You

    ANSWER

    • Posted by Sejal Yadav 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Abhyash Singh 6 years, 8 months ago

    Testes require a low temperature for formation of sperm so they are located outside the body in a covering called ******* (as its temperature is 2 to 2.5 degrees lesser than normal body temperature)

    1Thank You

    Ďãřşháñăã Yadav ? ? ? ✊ 6 years, 8 months ago

    in oder to provide required temperature i. e, 2-2.5 °C less than normal body temperature testes are situated outside the body.

    2Thank You

    Harsh Pahuja 6 years, 8 months ago

    To provide (2- 2.5 degree celsius ) less than normal body temperature for the formation of sperms in testes that is why they are located in *******.

    2Thank You

    ANSWER

    • Posted by Anhadpreet Ghumaan 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Anshu Priya 6 years, 8 months ago

    Because cleavage occurs without increase in size.

    1Thank You

    ANSWER

    • Posted by Sumit Singh 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Yakshi Baliyan 6 years, 8 months ago

    help in pollen tube development...

    1Thank You

    ANSWER

    • Posted by Sumit Singh 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Aditya Dubey 6 years, 8 months ago

    It is also known as autogamy in which transfer of pollen grains from anther to stigma of same flower of same species

    1Thank You

    ANSWER

    • Posted by Abhishek Sharma 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Raghav Patidar 6 years, 8 months ago

    caruncle is the outgrowth of integument to absorb high amount of water and air example : Castor

    2Thank You

    ANSWER

    • Posted by Nishi Kumari 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Harshil Parashar 6 years, 8 months ago

    Oviduct or simply we say that fallopian tude

    1Thank You

    Harsh Pahuja 6 years, 8 months ago

    Oviducts are the fallopian tubes where the fertilisation between sperm and ova takes place.

    0Thank You

    ANSWER

    • Posted by Siddharth Verma 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Prashant Tiwari 6 years, 8 months ago

    Peptidoglycon most probably

    2Thank You

    ANSWER

    • Posted by Byydhdb Rhdhd 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Souromi Chatterjee 6 years, 8 months ago

    Many of the flowers are compactly arranged together as a mass of flower into an inflorescence.... to enhance chances of pollination by air so as those pollens lands on the stigma of those flowers easily... like in corn cob.. the seeds which are arranged have once been flowers then only it has become seeds which we eat... so thore flowers were arranged compactly aligned...

    1Thank You

    ANSWER

    • Posted by Aamir Alam 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Pratishtha Sharma 6 years, 8 months ago

    testes- 1. production of sperms 2. secretion of male hormones ovary- 1. production of ovaries (ovulation) 2. secretion of steroid female hormones

    3Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Harsh Pahuja 6 years, 8 months ago

    Ovule changes to seed ,ovary as a seed coat ,thalamus changes to fruit . Such fruits are called as false fruits in which the other organs except ovary give rise to fruit. One such example is cashew.

    0Thank You

    ANSWER

    • Posted by Harsh Pahuja 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Bharat Chaudhary 6 years, 8 months ago

    In females or mothers after the baby is born then there is a period of six months in which even if the female undergoes coitus (***) then she dies not becomes pregnant or fertilisation doesn't occur it is a period which is meant naturally for the breastfeeding of the newborn baby.

    1Thank You

    ANSWER

    • Posted by Vaithiyanathan Vaithy 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Harsh Pahuja 6 years, 8 months ago

    According to ncert the composition of semen or seminal plasma is all the secretions made by prostrate gland ,cowper's gland and seminal vesicle ,which contain fructose calcium and spermatozoa

    4Thank You

    ANSWER

    • Posted by Rahul Jaykar 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Ruchi Harariya 6 years, 8 months ago

    Because it bears either male female flowers..

    0Thank You

    Yogita Ingle 6 years, 8 months ago

    Papaya   plant are said to be dioecious , because these plants bears exclusively either male flowers or female flowers.

    0Thank You

    Gitanjali Sahu 6 years, 8 months ago

    Dioceious means the male and female reproductive org. are separate

    1Thank You

    ANSWER

    • Posted by Miksramchi Areng 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 3 answers

    Sunidhi Asthana 6 years, 8 months ago

    Testa is the modified outer integument

    0Thank You

    Aditya Dubey 6 years, 8 months ago

    It is the outer protecting covering of a seed

    0Thank You

    Gitanjali Sahu 6 years, 8 months ago

    It's a tough coat enclosing an embryo.

    0Thank You

    ANSWER

    • Posted by Abhinav Gautam 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Aryan Panwar 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Harsh Pahuja 6 years, 8 months ago

    The 250 compartment present inside testes is called testicular lobules

    1Thank You

    ANSWER

    • Posted by Manish Roy 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Harsh Pahuja 6 years, 8 months ago

    Pollen grains consists of two layers exine and intine layer the exine layer consists of sporopollenin which is high resistant organic material for the protection the pollen grain and the intine consists of vegetative cell and generative cell. NOTE:Sporopollenin acts as a fossil due to its resistant nature

    2Thank You

    ANSWER

    • Posted by Geeta Anjali 6 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Harsh Pahuja 6 years, 8 months ago

    Sertoli cells are the special cells which provides nutrition and causes metamorphosis of spermatids.

    0Thank 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