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In a chicken's eye, the retina has a large number of cones but only few rods. The rods are sensitive to bright light only. That is why a chicken is not able to see in dim light. As it needs bright light to see, so it wakes up early in the morning with the sunrise and goes to sleep by sunset.

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Sidium chloride is used in the preparation of what??

Posted by Alfiya💫💫💫 . 11 months ago

CBSE > Class 10 > Science

3 answers

Disha Sharma 10 months, 4 weeks ago

To manufacture sodium carbonate and other compounds

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Amarnath Shukla 10 months, 4 weeks ago

It is also used in preparation of caustic soda and baking soda

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Lakshana S 11 months ago

Sodium chloride is well known as table salt and is widely used in the food industry for flavouring and preservation

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why is improper disposal of waste a group of a curse to the environment?

Posted by Disha Panjani 11 months ago

CBSE > Class 10 > Science

1 answers

Shivansh Mittal Mittal 11 months ago

An improper disposal of wastes means addition of pollutants into the environment- air,water and soil.They will harm living beings,human assets and human beings.Foe example,passage of sewage into water bodies will cause entrophication,stink,development of sludge,killing of animals and source of water borne pathogens.

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If a person has eye power -2.5 D and another person suffers from 4.0 D . which Lens should both person may us?

Posted by Manav Rana 11 months ago

CBSE > Class 10 > Science

2 answers

Neil Shah 10 months, 3 weeks ago

First person should use concave lens and the second person should use convex lens

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Mihu Mahii 11 months ago

Answer

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A particle goes in a circle of radius 20 cm. A concave mirror of focal length 20 cm is placed with its principal axis passing through the centre of the circle and perpendicular to its plane. The distance between the pole of the mirror and the centre of the circle is 30 cm. Calculate the radius of the circle formed by the image It's a question of class 10 light Asked in my school

Posted by Shreyash Kshitij 11 months ago

CBSE > Class 10 > Science

2 answers

Abhinav Raj Singh 10 months, 3 weeks ago

since the principal axis goes through the center of circle so line perpendicular to the principal axis from center of circle to the circumference of circle will form a line equal to half the height of object i.e 20cm(it is half because whple circle is 20+20 cm) so now we have ho=20 cm u= -30cm ( as mirror is 30cm away from center of circle) and f= -20cm by mirror formula :- 1/v+1/u=1/f =>1/v-1/30= -1/20 => 1/v= 1/30 - 1/20 => 1/v = 2-3/60 => v = - 60 cm now by magnification in mirror:- -v/u = hi/ho = m => -(-60)/(-30) = hi/20 =>-2 (20) = hi => hi = -40 cm so now the radius of crcle formed by image is equal to hi i.e radius of circle formed is 40cm

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Abhinav Raj Singh 9 months ago

if you give me your whatsapp no i can give you the solution with figure for much better explanation

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Define the term defecation and peristaltic movement in biology??

Posted by Devika Prajapati 11 months ago

CBSE > Class 10 > Science

2 answers

Mobasshir Alam 10 months, 3 weeks ago

The contraction and relaxation of oesophagus is peristaltic movement

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Ankur Tiwari 10 months, 4 weeks ago

When our food are passed from oesophagus they contract or relaxed by movement of food

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List three Characteristics of the electric current used in our house.??

Posted by Alfiya💫💫💫 . 11 months ago

CBSE > Class 10 > Science

2 answers

Muhammed Azim Khan 11 months ago

What is the main topic of heredity and evolution

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Aastha Prajapati 11 months ago

Three characteristics of the electric current used in our house are:- i) Appliances to be connected in parallel. ii) Each of the appliances has a separate switch to ON/Off the flow of current through it. iii) The potential difference between a live wire and the neutral wire is about 220V.

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ANSWER

1: Which part of kidney acts as a dialysis bag? A) Glomerulas B) loop of henle C) Convulated tubule

Posted by Yogesh Singh 11 months ago

CBSE > Class 10 > Science

3 answers

Gourav Sharma 9 months ago

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Kavyashree Yuvaraj 10 months, 4 weeks ago

Glomerulus

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Aastha Prajapati 11 months ago

Option A) Glomerulus is correct

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Fountain experiment demonstrates :

Posted by Mainka Mainka 11 months ago

CBSE > Class 10 > Science

1 answers

Vansh Sharma 11 months ago

What is the light

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Manufacturing of chlorofluorocarbon free refrigerator in mandatory throughout the world

Posted by Aman Gautam 11 months ago

CBSE > Class 10 > Science

1 answers

Neha😀 Tanwar 11 months ago

No it's is not mandatory through out the world Many big countries prohibited of manufacturing of chlorofluorocarbon

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The manufacturing of chlorofluorocarbon free refrigerator which is mandatory throughout the world

Posted by Aman Gautam 11 months ago

CBSE > Class 10 > Science

1 answers

Miss Anshi 10 months, 2 weeks ago

Google pe dekh lo

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Enzyme present in saliva

Posted by Aabhya Khemka 11 months ago

CBSE > Class 10 > Science

5 answers

Shreyash Kshitij 11 months ago

Salivary amylase

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Aastha Prajapati 11 months ago

Salivary amylase

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Randheer Singh 11 months ago

Salivary amylase enzyme

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Rajeev Ranjan 11 months ago

Salivary amylase

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Aabhya Khemka 11 months ago

Salivary emylase

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What are the red litmus

Posted by Om Walia 11 months ago

CBSE > Class 10 > Science

1 answers

Shubham Yadav 11 months ago

Red litmus is a litmus paper which show that the compound is acidic or basic if it cannot change so compound is acidic if it is change in blue color so the compound is basic

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Name the gland and the hormone secreted by it in scary situation in human beings list any two reason shown by our body when the hormone is secreted into blood

Posted by Gaganashree M 11 months ago

CBSE > Class 10 > Science

2 answers

Vansh Sharma 11 months ago

What is the best for your smartphone

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Ishika .. 11 months ago

The hormone secreted in scary situations is adrenaline hormone it is also known as flight and fight hormone. The reasons shown in our body when adrenaline hormone is secreted - it lead to increase in heart rate and increase in blood pressure

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Enlist plant hormone and comment on their roles in plant body?

Posted by Rajeev Ranjan 11 months ago

CBSE > Class 10 > Science

1 answers

Devika Prajapati 11 months ago

Auxin are the plant hormone which help in cell inlargment and differentiation and also help in fruit growth

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Define all law given by Mandel

Posted by Kritant Gupta 11 months ago

CBSE > Class 10 > Science

1 answers

Rajeev Ranjan 11 months ago

Mendal carried out several experiment on garden pea plant.Mendal selected garden pea( pisum sativum) for series of hybrid isation experiment because it has some special feature:- * Easy to grow *It has short life span and there for it is a possible to study number of generation in less time * Easily detectable contrasting variant of feature. He noted 7 pair of contrasting character * Each pea plant produce many seed in one generation and all seed are fertile.

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The image formed by convex mirror of focal length 20 cm is a quarter of the object what is the distance of the object from the mirror.

Posted by Arpita Sinha 11 months ago

CBSE > Class 10 > Science

1 answers

Nethravathi N. 11 months ago

-3/20cm

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ANSWER

The following figures show the path of light rays through three lenses marked L1,L2 and L3 and their focal points F1, F2 and F3, respectively.

Posted by Yashwanth Tilla 11 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is the other name of non-balanced equation

Posted by Sahil Sinha 11 months ago

CBSE > Class 10 > Science

4 answers

Shubham Yadav 11 months ago

Unbalanced equation

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Rajeev Ranjan 11 months ago

Skeleton equation

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Yashwanth Tilla 11 months ago

skeletal equation

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Dipanshu Mahlawat 11 months ago

Skeletal equation

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What is reproduction and why is it necessary??

Posted by Umama Zainab Siddiqui 11 months ago

CBSE > Class 10 > Science

2 answers

Jaswant Kumar 11 months ago

To continue the same speices on earth

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Sahil Sinha 11 months ago

It is a process in which we get new generation from it. It is necessary to prevent the extinction of human race

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Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

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

Posted by Ashmitha Ashmitha 11 months ago

CBSE > Class 10 > Science

1 answers

Ak Vijeesh Vijeesh 11 months ago

Get out

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Prateek boug Pratik bought a new battery for his laptop as the battery will not stay charge for more than 5 minutes he learn that the particular battery consists of cells combined together in a particular manner

Posted by Ak Vijeesh Vijeesh 11 months ago

CBSE > Class 10 > Science

4 answers

Ak Vijeesh Vijeesh 11 months ago

Sure why not

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Sahil Sinha 11 months ago

Can you please state this question properly

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Ak Vijeesh Vijeesh 11 months ago

Welcome

1Thank You

Ashmitha Ashmitha 11 months ago

Don't now

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ANSWER

What nature convergent divergent of combination of a convex lens of power 4D and concave lens of power -2D

Posted by Balinder Virwal 11 months ago

CBSE > Class 10 > Science

1 answers

Student Pro 11 months ago

If the power of the convex lens is greater than the power of the concave lens, the combination will act as a converging lens

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What is opposite of Respiration

Posted by Khushbu Meena 11 months ago

CBSE > Class 10 > Science

4 answers

Sahil Sinha 11 months ago

Respiration is known as exchange of oxygen and cabon dioxide

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Student Pro 11 months ago

Photosynthesis and cellular respiration are almost opposite because photosynthesis takes in CO2 and releases oxygen whereas cellular respiration takes in oxygen and releases CO2.

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Abhinav Kumar 11 months ago

Photosynthesis

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Abhishek Choudhury 11 months ago

Choking

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I am so depressed because of pre board and my mother pressure

Posted by Chris Hemsworth 11 months ago

CBSE > Class 10 > Science

4 answers

Chris Hemsworth 11 months ago

I tell here

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Sahil Sinha 11 months ago

My honest reaction: yowaimo

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Student Pro 11 months ago

You have to work hard as only 2 months are left you have to focus on board exams not on pre boards

4Thank You

Khushbu Meena 11 months ago

Please tell your mother not give pressure on you because pre board is not big issue behind board

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ANSWER

How does paramecium obtain it's food?

Posted by Balinder Virwal 11 months ago

CBSE > Class 10 > Science

2 answers

Kunal Singh 11 months ago

Through oesophagus

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Student Pro 11 months ago

Paramecium is a single-celled protozoan. The hair-like structures called cilia present on the paramecium help in collecting the food and movement. They sweep the food inside the paramecium through the oral groove.

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1. If a current ‘I’ flows through a conductor of resistor ‘R’ on applying a potential difference ‘V’, how much power is available in the circuit? Write various formulas for power. Also if the circuit remains on for a time ‘t’, how much heat will be developed across the resistor? Write various formulas for the same. 2. How are voltmeters and ammeters connected in any electrical circuit? Why? What values do they measure in the circuit? 3. (a) Draw the nature of the V-I graph for a nichrome wire. (b) A metallic wire of 625 mm length offers a 4 Ω resistance. If the resistivity of the metal is 4.8 x 10-7 ohm-meter then calculate the area of cross-section of the wire. 4. An electric heater rated 800 W operates 6h/day. Find the cost of energy to operate it for 30 days at Rs. 3.00 per unit.

Posted by Joy Daga 11 months ago

CBSE > Class 10 > Science