CBSE > Class 10 > Science | CBSE Board | Homework Help

Selective breeding is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.

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What is radioactive substances??

Posted by ?? Thakur 06 ???? 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Asmilo Hall 6 years, 3 months ago

Radioactive substances are atoms that decay naturally. They can give off alpha particles, beta particles and gamma radiation. A common source of alpha particles in the welding environment is thoriated tungsten, used in many TIG welding electrodes.

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What is the definition of redistribute

Posted by Kushagra Verma 6 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is triple fusions in plant

Posted by Munna Khan 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Parinay Raj 6 years, 3 months ago

Triple fusion is a fusion that involves a sperm nucleus and two polar nuclei which occurs in the double fertilization in a seed-bearing plant that results in the endosperm formation.

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Explain giving reasons the bending of the shoot tip of a plant towards light source coming from one side of the plant.

Posted by Parinay Raj 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Lovisha Mahajan 6 years, 3 months ago

It is because auxin in concentrated towards the shady side due to which plant appears to bend towards the light nd it is phototrophic movement

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How ammeter and voltmeter is connected in a circuit

Posted by Arti Ramya 6 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Dx Master Life 6 years, 3 months ago

ammeter isnot connected in parallel voltage is not connected in series

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Lovisha Mahajan 6 years, 3 months ago

Ammeter is connected in series nd voltmeter is connected in parallel

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Shyamlata Thakur 6 years, 3 months ago

Ammeter is connected in series and voltmeter is connected in parallel.

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Asmilo Hall 6 years, 3 months ago

An ammeter is a measuring device used to measure the electric current in a circuit. A voltmeter is connected in parallel with a device to measure its voltage, while an ammeter is connected in series with a device to measure its current.

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How will you create an artificial aquatic ecosystem, which is self-sustainable

Posted by Parinay Raj 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Asmilo Hall 6 years, 3 months ago

These ecosystem which created by man,system of plants animals and living an area together with their sourrounding. Example : ZOO,PARKS etc,.. are articifical ecosystem

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What is catination ?

Posted by Pinkee Devi 6 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Dx Master Life 6 years, 3 months ago

catenation -property of carbon atom to form bond with other atom carbon is called catenation Example---like carbon silicon forms compounds with hydrogen upto seven or eight atom silicon

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Asmilo Hall 6 years, 3 months ago

In chemistry, catenation is the bonding of atoms of the same element into a series, called a chain. Catenation occurs most readily with carbon, which forms covalent bonds with other carbon atoms to form longer chains and structures. This is the reason for the presence of the vast number of organic compounds in nature.

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Parinay Raj 6 years, 3 months ago

Property of self combination of carbon.

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Vivek Chaudhary 6 years, 3 months ago

Catination is the self linking property of carbon

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Vikram Kumar 6 years, 3 months ago

Self linking capacity of carbon atom

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Different between heredity and in herited

Posted by Deepak Chaudhary 6 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

A concave lens of focal length 15cm forms an image 10 cm from the lens (1) calculate the object diatance (2) the nature and the magnification of the image formed

Posted by Lovish Yadav 6 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is the formulae of ester

Posted by Kajal Devrani 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Bhavya Bhardwaj 6 years, 3 months ago

Carboxylic acid reacts with alcohol in the presence of conc. sulphuric acid to give sweet smelling compound is called as ester

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How many groups and periods are ther in modern periodic table

Posted by Kajal Devrani 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Nawal Jha Jha 6 years, 3 months ago

18groups and 7 period

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When two resistors of resistances R1 and R2 are connected in parallel, the net resistance is 3ohm. When connected in series, its value is 16ohm. Calculate the values of R1 and R2.

Posted by ❤ Suhani ❤ 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 6 years, 3 months ago

R1 = 4 ohm and R2 = 12 ohm.

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ANSWER

Explain 3 laws of inheritance

Posted by Nikita Sanwaria 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Shreya ... 6 years, 3 months ago

Law of independent assortment: when the parents differ from each other in 2 or more pairs of contrasting characters, the inheritance of one pair of character is independent to that of other pair.

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Shreya ... 6 years, 3 months ago

Law of Dominance: in crossing b/w a pair of organisms with pure contrasting characteristics, only one character of the pair appears in the next generation.

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ANSWER

Exlain DNA

Posted by Shiv Gurjar 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Shreya ... 6 years, 3 months ago

DNA stands for Deoxyribonucleic acid. DNA carries out information from generation to generation.

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Nancy Gupta 6 years, 3 months ago

I don't now

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ANSWER

bye freinds have a good life ab me kisi ka reply nhi de paunga so bye frends apse milke bahot accha lga

Posted by Broken Heart 5 years, 11 months ago

CBSE > Class 10 > Science

12 answers

Honey... ??#Girl 6 years, 3 months ago

Sorry dear

1Thank You

Honey... ??#Girl 6 years, 3 months ago

?Broken Heart ?I m Really very very very very very very SORRY

1Thank You

Aadya Singh ? 6 years, 3 months ago

Shivam...tum do do id se chalate ho kya...????

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Aadya Singh ? 6 years, 3 months ago

Yrr...jab aap log jhagda brainly pe karte ho to...rone k liye yha kyu aate ho...vahi pe ro liya karo...?

2Thank You

Shivam Mishra 6 years, 3 months ago

Bye everyone

1Thank You

Broken Heart 6 years, 3 months ago

bato me to ap he ayi thi

2Thank You

Broken Heart 6 years, 3 months ago

kiski bato me ana hota to eb ka chela jata

1Thank You

Honey... ??#Girl 6 years, 3 months ago

???

1Thank You

Honey... ??#Girl 6 years, 3 months ago

Kisi k bhi do.. Bass mujhse baat Mt krna.. Koi kaam Ho to kisi or se bol dena

1Thank You

Broken Heart 6 years, 3 months ago

jb kisi ko trust he nhi he hm pr to kya fayda

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❄️ Queen ❄️ 6 years, 3 months ago

Kya hua meko btao yll

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Honey... ??#Girl 6 years, 3 months ago

Bye forever ???????????

1Thank You

ANSWER

Friends bas ek request h Jo yha relationship m h ??????

Posted by Honey... ??#Girl 5 years, 11 months ago

CBSE > Class 10 > Science

16 answers

Tanishk Mittal 6 years, 3 months ago

Honey sahi kh rha hai ldki bahut dokha deti hai

2Thank You

......D I Y A..... 6 years, 3 months ago

Hmm ....it's my study time !! bye all..!!?.....

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Honey... ??#Girl 6 years, 3 months ago

By diyu

1Thank You

......D I Y A..... 6 years, 3 months ago

Sab gye kya......okk bye!

2Thank You

Honey... ??#Girl 6 years, 3 months ago

OK suhu

0Thank You

......D I Y A..... 6 years, 3 months ago

Yupp deep..... I'm with u.....

2Thank You

❄️ Queen ❄️ 6 years, 3 months ago

Deep suno....brainly pr mere question pr ao

1Thank You

Honey... ??#Girl 6 years, 3 months ago

Boys ko ek na ek din dokkha dena hota h

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Honey... ??#Girl 6 years, 3 months ago

Good diya.. MT krna

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......D I Y A..... 6 years, 3 months ago

No relationship never ever........

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Honey... ??#Girl 6 years, 3 months ago

Kisi ki baato m Bhi aakr vo aap logo ko chor dete h ??

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...Mr A.D.21..♥️? ( Tomorrow Will Be Last Day) 6 years, 3 months ago

Kya ho gya tujhe Honey. .....

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Honey... ??#Girl 6 years, 3 months ago

Kisi p trust mt kro... ????...they r cheaters

1Thank You

❄️ Queen ❄️ 6 years, 3 months ago

Kya hua yll

2Thank You

Honey... ??#Girl 6 years, 3 months ago

Boys dokkha dete h ?

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Honey... ??#Girl 6 years, 3 months ago

Ye sab choro

2Thank You

ANSWER

What is tissue culture with example

Posted by Himanshu Verma 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 6 years, 3 months ago

The production of new plants from a small piece of plant tissue removed from the growing tips of a plant in suitable growth medium is called tissue culture.

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ANSWER

Omslow

Posted by Aslam Khan 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Ayushman Nautiyal 6 years, 3 months ago

Bro spell mistake

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......D I Y A..... 6 years, 3 months ago

In below Mr AD box....u can see this ans....

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Aadya Singh ? 6 years, 3 months ago

Ohm's law states that at constant temperature, potential difference across the end of conductor is directly proportional to current flowing through it.

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ANSWER

Did Mendeleev predict anything about noble gases ?

Posted by Thanuja Lakshmi 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Himanshu Verma 6 years, 3 months ago

Yes, he predicted about noble gas but he couldn't discover it he left the space for the gases

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ANSWER

Why are the heating element of electri toaster and electric irons made of an ally rather than a pure metal

Posted by Kavya Maurya 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 6 years, 3 months ago

Because - 1) The resistivity of an alloy is much higher than that of pure metal. 2) An alloy does not undergo oxidation or burn easily even at high temperature when it is red hot.

1Thank You

ANSWER

What are the contraceptive to avoid pregnancy

Posted by Nikita Sanwaria 6 years, 3 months ago

CBSE > Class 10 > Science