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Iris- It is the part of the eye which controls the amount of light entering the eye and also gives a distinctive colour to the eye. Pupil- The light enters our eye through the pupil, it is controlled by iris. Cornea- The transparent part of our eyes. Lens- The eye contains convex lens that helps us to focus on an object. Retina- The image of an object is formed on the retina, it contains some sensory cells at the junction of optic nerve. i) Cones: they sense bright colours. ii) Rods:they sense dim light. Optic nerve- it recieves the image from retina and sends it to the brain, the brain then tells us that what the object is.

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Define prokaryotic cell.

Posted by Rudra Pratap Singh 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Harshit Khanna 3 years, 8 months ago

How can I complete my exam

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Anika Kanade 3 years, 8 months ago

A prokaryotic cell does not have a well-developed nucleus or membrane-bound organnels. Unicellular organisms like Bacteria and Archea are prokaryotic. Hope you have understood.

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Force acting on a body can be measured by a __________.

Posted by Apoorva Dodamani 3 years, 8 months ago

CBSE > Class 08 > Science

4 answers

Anshul Yadav 3 years, 8 months ago

Newton is correct Answer

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Ishneet Kaur 3 years, 8 months ago

Newtons

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Sarita Guleria 3 years, 8 months ago

Newtons

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Yogesh Kumar 3 years, 8 months ago

Spring balance

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What is called global warming

Posted by Nandita Ghuku 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Anushka Soni 3 years, 8 months ago

Global warming is the long-term warming of the planet's overall temperature. ... The excess heat in the atmosphere has caused the average global temperature to rise overtime, otherwise known as global warming. Global warming has presented another issue called climate change.

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What is the powerhouse of all

Posted by Hitish Dubey 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Anushka Soni 3 years, 8 months ago

Mitochondria

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Rajpal Baby Rani Maurya essay

Posted by Bhoomi Balai 3 years, 8 months ago

CBSE > Class 08 > Science

0 answers

ANSWER

What is the result of fusion of ova and sperm?

Posted by Priya Thakur 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Kusuma Dn 3 years, 8 months ago

Zygote

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Sahil Kumar Jha 3 years, 8 months ago

Zygote

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why is it so necessary to breath?

Posted by Shivraj Suman 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Anushka Soni 3 years, 8 months ago

Every system in the body relies on oxygen. From cognition to digestion, effective breathing can not only provide you with a greater sense of mental clarity, it can also help you sleep better, digest food more efficiently, improve your body's immune response, and reduce stress levels.

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Give one reason for the following 1. Aluminium foils are used for packaging.

Posted by Hitish Dubey 3 years, 8 months ago

CBSE > Class 08 > Science

3 answers

Radhna Bhakti 3 years, 6 months ago

They don't react with food and they are malleable also

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Sanu Singh 3 years, 8 months ago

Aluminum foil did not react with food and it can beaten into sheets because of its malleability

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Anushka Soni 3 years, 8 months ago

Aluminium foils are used to wrap food items because aluminium being a soft malleable metal it can be beaten to in sheets to form thin wrapping sheets. ... A less reactive metal can not displace more reactive metal from its solution.

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What is reprodution

Posted by Harsh Baghla 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Aditi Mishra Ix-A 3 years, 8 months ago

Reproduction is the process by which an individual produce it's own kind which is similar to them.Depending upon the number of parents involved,there are 2 ways of reproduction:- 1) Sexual reproduction-In this type of reproduction,a male and a female produces its own kind. 2) Asexual reproduction-In this type of reproduction,only one parent is involved in production of its own kind.

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What is vibrations?

Posted by Anushka Soni 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Sakshi Mishra 3 years, 8 months ago

The to and fro or the back and forth motion of a sound is called vibration.

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Shreeya Satapathy 3 years, 8 months ago

The sound which is produced by hitting something that is vibration.

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Define asexual reproduction. How does it differ from sexual reproduction?

Posted by Chahat Pathade Pathade 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Sahil Kumar Jha 3 years, 8 months ago

In asexual reproduction only one parent is involved,But in sexual reproduction two parents are involved

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Anvesh Choure 3 years, 8 months ago

It differ from sexual reproduction by the following- 1.Only one parent required. 2.Faster than sexual reproduction. 3.Almost same to the parent. 4.Less energy need.

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Shape of the objects moving in the fluid is _________ to overcome friction exerted by liquids.

Posted by Apoorva Dodamani 3 years, 8 months ago

CBSE > Class 08 > Science

3 answers

Aditi Mishra Ix-A 3 years, 8 months ago

Streamlined

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Tiwari ? Manasvi 3 years, 8 months ago

Correct answer is streamlined

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Rishab Chauhan 3 years, 8 months ago

Streamlined

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Foods, from puffed or enlarged canes, should not be consumed

Posted by Anushka Soni 3 years, 8 months ago

CBSE > Class 08 > Science

0 answers

ANSWER

What is combustion?Write about different types of Combustions.

Posted by Patel Raghavendra 3 years, 8 months ago

CBSE > Class 08 > Science

3 answers

Patel Raghavendra 3 years, 8 months ago

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Tharunpranav K.G 3 years, 8 months ago

Types of combustion are Rapid combustion Sypatanis combustion and exploration

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Anushka Soni 3 years, 8 months ago

Burning of a substance in the presence of oxygen to produce heat and light is called combution. 1.Burning of Petrol or Diesel for using vehicles like car. 2.Burning of Petrol or Diesel for using vehicles like car. 3.Combustion of Natural Gas or LPG to cook. 4.For the production of energy in thermal power plants. 5 Fireworks.

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Chapter 16 light Q/ ans

Posted by Harshit Singh 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Shivraj Suman 3 years, 8 months ago

why are u asking it here??

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Rishab Chauhan 3 years, 8 months ago

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Q 13 ) In Which of the Statement is or are correct about "Thermoneter a) Don't hold the thermometer by the bulb b) Don't washed thermometer by any liquid c) Don't jerks the thermometer before use d) Don't use clinical thermometer for the person who works in sunlight

Posted by Mohit Badhautiya 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Sukhi Hari 3 years, 5 months ago

d) don't use clinical thermometer for the person who works in sunlight

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Why iodine is required for metamorphosis?

Posted by Aditi Mishra Ix-A 3 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Aditi Mishra Ix-A 3 years, 8 months ago

Correct answer?

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Anushka Soni 3 years, 8 months ago

If iodine is not available in diet , it may produce an insufficient amount of hormone which will adversely effect the process of metamorphosis. Iodine is essential element of thyroid hormones. The thyroid hormone with its essential iodine constituent is responsible for the control of metabolism & for metamorphosis

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Aisa table post towards north to south what is the action of the force of friction

Posted by Saraarif Arif 3 years, 8 months ago

CBSE > Class 08 > Science

0 answers

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In cow ,and human_________ fertilization takes place

Posted by Mahek Kosta 3 years, 8 months ago

CBSE > Class 08 > Science

5 answers

Yogesh Kumar 3 years, 8 months ago

Interal

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Vipul Singh Rao 3 years, 8 months ago

Shaam hoti hai yai dil bahut uddas hota hai subrato teri bahut yaad aati hai jub koi bandar mere aas pas hota hai

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Tiwari ? Manasvi 3 years, 8 months ago

Internal

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Aditi Mishra Ix-A 3 years, 8 months ago

INTERNAL

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Deekshant Yadav 3 years, 8 months ago

Internal

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What is the Function play by 1.Retina 2.Iris 3.Optic nerve

Posted by Uttarkhand Uk 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Amritha Shenoy 3 years, 8 months ago

Function of Iris:- the iris controls the amount of light entering into the eye. Function of Retina:- the purpose of the retina is to receive light that the lens has focused, convert the light into signals and send these signals to the brain for visual recognition. Function of optic nerve:- The job of the optic nerve is to transfer visual information from the retina to the vision centers of the brain via electrical impulses.

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What is dectility and malleabilty which metal would you prefer to make

Posted by Pradeep Kumar 3 years, 8 months ago

CBSE > Class 08 > Science

1 answers

Sanjay Kumar 3 years, 8 months ago

The property of matel by which it can be drawn into wire is called dectility :- copper , gold The property of metal by which it can be beaten into thin sheet is called malleabilty :- copper , silver

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Fire produced by oil can not controlled by

Posted by Anandhu Kannan 3 years, 8 months ago

CBSE > Class 08 > Science

3 answers

Ramu Nishad 3 years, 8 months ago

Don't controlled by water

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Jaideep Hanumant Bhosale Bhosale 3 years, 8 months ago

It could not be controlled by water

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Akhilaishwarya U 3 years, 8 months ago

Water

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What is water pollution? Name two water pollutants.

Posted by Nipun Vilangil 3 years, 8 months ago

CBSE > Class 08 > Science

3 answers

Ramu Nishad 3 years, 8 months ago

The contamination of water throwing a dust in the water with harmful substances is called water pollution. Examples of water pollution throwing a dust by human chemical wastes

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Sakshi Mishra 3 years, 8 months ago

The contamination of water by throwing waste materials or any harmful chemicals is called water pollution. Some examples of water pollutants are--- chemical wastes , plastics etc.

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Aditi Mishra Ix-A 3 years, 8 months ago

When contaminants pollute the water,it is termed as water pollution. Two water pollutants are untreated sewage,waste from industries.

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Fe(s) +H2O(g) -------> Fe3O4 + H2(g)

Posted by Maitha Albedwawi 3 years, 8 months ago

CBSE > Class 08 > Science