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  • 1 answers

Sonalin Sahoo 9 months, 1 week ago

Hormonal system is also known as endocrine system. In this system many ductless glands were there which produces hormones which get spread in our body through the blood stream. For eg - pituitary gland,ovary,testes,etc
  • 4 answers

Satyam Kumar 9 months, 1 week ago

Trasfer of pollen grain from antger of stamen to stigma of pistil is known as pollination

Suraj Bhai 9 months, 1 week ago

The transfer of pollen from anther of stamen to stigma of pistill is known as pollination.

Still Chos 9 months, 1 week ago

Cross pollination

Alfiya💫💫💫 . 9 months, 1 week ago

Transfer of pollen grain from anther to stigma from one flower to other .. Types . 1) Self pollination 2) Cross pollination.
  • 2 answers

Xyz ......... 9 months, 1 week ago

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Nitin Kumar 9 months, 1 week ago

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  • 2 answers

Alfiya💫💫💫 . 9 months, 1 week ago

Molecules formed by more than one Atoms .e.g.~CO2..NH3..HCl..

Nitin Kumar 9 months, 1 week ago

Any atom other than the hydrogen atom and the carbon atom is a heteroatom. Ex- Nitrogen(N), Oxygen(O), Sulphur(S)
  • 2 answers

Rimi Tomar 9 months, 1 week ago

AB because A has 11 electrons so it's electronic configuration must be 2,8,1 hence its valancy is 1 and B has 10 electrons so it's electronic configuration must be 2,8 hence it is stable so, it's molecular formula must be AB

Gurdeep Singh 9 months, 1 week ago

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  • 0 answers
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  • 1 answers

Himanshi Thakur 9 months, 1 week ago

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  • 2 answers

@ Anjali 9 months, 1 week ago

The increase in concentration of harmful substances like pesticides in trophic levels of a food chain

Lazina Khan 9 months, 1 week ago

The transfer of chemicals from one tropic lebel to other is known as bio magnification
  • 2 answers

Chetna Gautam 9 months, 1 week ago

Placenta is a disc like structure in uterus. It is present in mother womb . The placenta give the nourishment to the foetus. The placenta have the villi on the other side of it and from the villi the exchange takes place in mother's womb .

Lazina Khan 9 months, 1 week ago

Placenta is a disc like structure which links between the mother and the baby(foetus)
  • 1 answers

Lazina Khan 9 months, 1 week ago

Law of dominance , Law of segregation and Law of independent assortment
  • 0 answers
  • 3 answers

Rishabh Singh 9 months, 1 week ago

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Gaurav Kumar 9 months, 1 week ago

Amoeba is a single cellular,it have pseudopodial,nucleus and vacuole.it move toward food . Pseudopodia surrounds the food, gradually cell swallowing it. It's food digest in vacuole and absorb in the cytoplasm of the cell.waste produced remove outward from the cell body.

Abhishek Yadav 9 months, 1 week ago

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  • 1 answers

Rudraksh Singh 9 months, 2 weeks ago

Plant kept in continuous light will live longer, because it will be able to produce oxygen required for its respiration by the process of photosynthesis. Plant remaining in the dark will not photosynthesize and hence it will finally die due to no availability of oxygen.
  • 1 answers

Prianshu Goyal 9 months, 1 week ago

No photosynthesis will occur in the plant kept in dark due to absence of sunlight. So the plant kept in sunlight will survive and plant kept in dark will not survive as photosynthesis does not occurs.
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  • 2 answers

Sarita Kumari 9 months, 2 weeks ago

Fission is a type of asexual reproduction where parent organisms is split into two parts

Scariya Benny 9 months, 1 week ago

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  • 1 answers

Sarita Kumari 9 months, 2 weeks ago

Colors of metallic ions Name Formula Color Alkaline earth metals Mg2+ Colorless Scandium(III) Sc3+ Silver Titanium(III) Ti3+ Purple Titanium(IV) Ti4+ Silver Titanyl TiO2+ Colorless Vanadium(II) V2+ Light purple Vanadium(III) V3+ Dark grey-green Vanadyl(IV) VO2+ Blue Vanadium(IV) (vanadite) V 4O2− 9 Brown Vanadium(V) (pervanadyl) VO+ 2 Yellow Metavanadate VO− 3 Colorless Orthovanadate VO3− 4 Colorless Chromium(II) Cr2+ Bright blue Chromium(III) Cr3+ Blue-green-grey Chromium(III) hydroxide Cr(OH)63− yellowish Monochromate CrO2− 4 Yellow Dichromate Cr 2O2− 7 Orange Manganese(II) Mn2+ Pale pink Manganese(III) Mn3+ Crimson Manganate(V) MnO3− 4 Deep blue Manganate(VI) MnO2− 4 Dark green Manganate(VII) (permanganate) MnO− 4 Deep purple Iron(II) Fe2+ Greenish Cobalt(II) fluoride Co2+ Pink Cobalt(III) amine Co(NH 3)3+ 6 Yellow/orange Nickel(II) Ni2+ Light green Nickel(II) amine complex Ni(NH 3)2+ 6 Lavender/blue Copper(I) amine complex Cu(NH 3)+ 2 Colorless Copper(II) Cu2+ Blue Copper(II) amine complex Cu(NH 3)2+ 4 Indigo-blue Copper(II) chloride CuCl2− 4 Blue - Green Zinc(II) Zn2+ Colorless Silver(I) Ag+ Colorless Silver(III) in conc. HNO3 Ag3+ Dark brown
  • 2 answers

Nitika Ahuja 9 months, 2 weeks ago

Reactions of ethanol and Ethanoic acid

Divya ... 9 months, 2 weeks ago

Cleaning action of soaps
  • 5 answers

Priyanshi Malhotra 9 months, 2 weeks ago

I guess you should give more time to chemistry and watch one shot videos. I hope this will help you.

Mohammad Izaan 9 months, 2 weeks ago

Buy evergreen science new edition ,here you will get all previous 15 year question with answer and ncert exemplar ,intext and exercise also Al all chapters It is not much costly

Lazina Khan 9 months, 2 weeks ago

At this point I think u should just go through one shot videos because u should focus on other subjects tooo

Palak Siwach 9 months, 2 weeks ago

Ncert book read kr lo intext question laga lo school m bhut bade — 2 notes banwa dathe h ncert book m sab kuch h easy language ‽‽*‽ncert read kr lana se phala 30 min ka lecture dekh lo phsics wala youtube pr sa

Rohit Gupta 9 months, 2 weeks ago

Pls buy S Chandra book for chemistry as a reference book. It will clear your concept. But also go through your NCERT BOOK. Learn the important chemical formula as most of the questions come from it.
  • 2 answers

Palak Siwach 9 months, 2 weeks ago

*‽1*‽. Pantane 2. *‽2*‽- di Methyl butane *‽ 3*‽. 2,2- di Methyl propane

Lazina Khan 9 months, 2 weeks ago

Three isomers-- 1. Pantane 2. 2- di Methyl butane 3. 2,2- di Methyl propane
  • 1 answers

Lazina Khan 9 months, 2 weeks ago

Because ammeter is a low resistance device .So when it is connected in parallel, the net resistance of the circuit decrease
  • 1 answers

Lazina Khan 9 months, 2 weeks ago

1. The offspring inherits different sets of chromosomes. 2. Error in copying of DNA
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  • 1 answers

Mahi Kumari 9 months, 2 weeks ago

Sexually transmitted diseases (STDs), or sexually transmitted infections (STIs), are infections that are passed from one person to another through sexual contact. They are usually spread during vaginal, oral, or **** ***. But sometimes they can spread through other sexual contact involving the *****, ******, mouth, or ****. This is because some STDs, like herpes and HPV, are spread by skin-to-skin contact. Some STDs can be passed from a pregnant person to the baby, either during pregnancy  or when giving birth. Other ways that STDs may be spread include during breastfeeding through blood transfusion , or by sharing needles.
  • 1 answers

Rahul Chaudhary 9 months, 2 weeks ago

Indicator compound coloured change when they become propona t and di proponat
  • 1 answers

Lazina Khan 9 months, 2 weeks ago

Because they decompose the waste organic materials present in our environment. Advantages------1. They ahelp in recycling the nutrients 2.They clean up the environment by decomposing waste material.
  • 4 answers

Aryan Shakya 9 months, 2 weeks ago

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Laxmi Rohilla 9 months, 2 weeks ago

Ovary

Poorvi Agrawal 9 months, 2 weeks ago

Ovary

V Guru Deepika 9 months ago

Chest
  • 2 answers

Krishna Agarwal 9 months, 2 weeks ago

Chloroplast help in absorption of sunlight

Yash Jaiswal 9 months, 2 weeks ago

The green pigment present in chlorophyll is called chloroplast

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