CBSE > Class 08 > Science | CBSE Board | Homework Help

First, the zygote becomes a solid ball of cells. Then it becomes a hollow ball of cells called a blastocyst. Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.

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What is difference between diabetes mellitus and diabetes insipidus

Posted by Vishwajeet Kumar 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Jumana Anjum 3 years, 5 months ago

In diabetes mellitus, the level of glucose in your blood, also called blood sugar, is too high. Your kidneys try to remove the extra glucose by passing it in your urine. In diabetes insipidus, your blood glucose levels are normal, but your kidneys can't properly concentrate urine.

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Which gland is referred to as the master gland in human body? Give examples to justify its name.

Posted by Ram Raj 3 years, 6 months ago

CBSE > Class 08 > Science

4 answers

Monika Pumah 3 years, 5 months ago

Pituitary glands is called master gland because it control all the glands including hormone scereting.

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Dev Bhanwala 3 years, 5 months ago

pituitary gland is the master gland because it control all endocrine glands

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Nishant Choudhary 3 years, 6 months ago

Pituitary gland is known as the master gland because it controls other endocrine glands

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Prasanna Rout 3 years, 6 months ago

Pituitary gland is known as the master gland because it controls other endocrine glands

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What are the various source of air pollutants

Posted by Priya Shukla 3 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Dev Bhanwala 3 years, 5 months ago

1) Brusting of crackker 2) smoke from automobile 3) Smoke from Factories

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Kanu Choudhary 3 years, 6 months ago

Various sources of air pollution are bursting of fire crackers, automobiles , chemical factories etc.

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How will one know that water has been contaminated

Posted by Priya Shukla 3 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Suprava Senapati 3 years, 6 months ago

Suspended particle will be there It may have some odour It have a smell Not suitabe for consumption

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Adyaan Fasiuddin 3 years, 6 months ago

Fertilisation In human beings is takes place in the

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Name two diseases caused by drinking polluted water

Posted by Priya Shukla 3 years, 5 months ago

CBSE > Class 08 > Science

4 answers

Nishma Insulkar 3 years, 5 months ago

Acording to text book Cholera typhoid and jaundice

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Rajni Maheshwari 3 years, 6 months ago

Cholera and jaundice

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Jiya Chudasama 3 years, 6 months ago

First is microbes

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Aditi Sharma 3 years, 6 months ago

Liver problems Diarrhea Typhoid

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Name a metal which is found in liquid form

Posted by Naman Yadav 3 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Jyotiranjan Panda 3 years, 2 months ago

Mercury

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Srinath Prasanna 3 years, 5 months ago

Mercury

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Kanu Choudhary 3 years, 6 months ago

Mercury

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Show in a tubular form human desses

Posted by Kumari Prachi Giri 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Akhil Kumar 3 years, 6 months ago

The size of the pupil becomes ____________ when we see in dim light

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Any One Can send me sample paper of science

Posted by Sonali Thakur 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Aditi Sharma 3 years, 6 months ago

How?!!

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1st What is optical disorder called in which one can see objects of close and can't see objects of far. 2nd What is the optical disorder called in which one can see objects of far and can't see objects of close

Posted by Arya Pratap Singh 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Suhavi Singla 3 years, 6 months ago

1st :- Myopia or near - sightedness 2nd :- Hypermetropia or far - sightedness

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Write five hazardous of feets plastic on our life

Posted by Modern Pack 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Modern Pack 3 years, 6 months ago

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Differentiate between static friction and fluid friction

Posted by Mayank Kumar Singh 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Kriti Lalotra 3 years, 6 months ago

Static Friction :- The type of friction which come into play when the object is at rest.. Fluid Friction :- The frictional force exerted by fluids (liquids and gases) is called fluid Friction. It is also called Drag.

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Which bacteria help in setting of curd

Posted by Kumari Prachi Giri 3 years, 6 months ago

CBSE > Class 08 > Science

4 answers

Suhavi Singla 3 years, 6 months ago

Lactobacillus

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Kriti Lalotra 3 years, 6 months ago

Lactobacillus

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Tanish Bernaud 3 years, 6 months ago

Lactobacillus

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Khushi Garg 3 years, 6 months ago

Lactobacillus

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What is the Metals reaction with bases ?

Posted by (༎ຶ Isha ༎ຶ) 3 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Harsh Durge 3 years, 6 months ago

sodium

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(༎ຶ Isha ༎ຶ) 3 years, 6 months ago

What is the Metals reaction with bases ? (Metal reaction with sodium)

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Solar system

Posted by Varun Kumar Reddy 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Aditi Sharma 3 years, 6 months ago

The Solar System is the gravitationally bound system of the Sun and the objects that orbit it. Of the bodies that orbit the Sun directly, the largest are the four gas and ice giants and the four terrestrial planets, followed by an unknown number of dwarf planets and innumerable small Solar System bodies.

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Science annual paper kiska ho gya class 8 term 2 bata do

Posted by Arjun Mittal 3 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Tanish Bernaud 3 years, 6 months ago

Mera March 7 ko Khatam

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(༎ຶ Isha ༎ຶ) 3 years, 6 months ago

8 March ko ha mara fbal science exam

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Around 60% - 80% people in America have dectected presence of phthalate in their blood. What should people do to reduce the further exposure ?

Posted by Shreya Narang 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Aditi Sharma 3 years, 6 months ago

Idk!!

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Draw and label a neat diagram of larynx

Posted by Afroze Parveen 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Aditi Sharma 3 years, 6 months ago

Why

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What kind of lens is there in our eye ? When does it from the image of an object

Posted by Patel Dev 3 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Krishna Nikhare 3 years, 6 months ago

There is covex lens in our eye.we cn see image of an object When the light is bounced back from an object to our eyes.

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What is insulator?

Posted by Ayaan Deshmukh 3 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Tanish Bernaud 3 years, 6 months ago

Object that don't allow electricity to pass Through it

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Kanu Choudhary 3 years, 6 months ago

Object that does not allow electric current to pass through them are called insulator

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Give two examples, one where force changes the state of motion and where force change the size and shape of an object

Posted by Shivam Thakkar 3 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Ishta Mahour 3 years, 6 months ago

1)when we are walking Writing 2)making a chapati with dough Playing with a rubber balk

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Ayaan Deshmukh 3 years, 6 months ago

Examples of Forces that changes the shape of the objects: (i) Force of compression acting on the walls of an inflated ballon when it is pressed between our hands. (ii) The force acting on the dough when we roll a chapati/roti. (iii) The force acting on a spring or a rubber band when we stretch it. (iv) Force acting on two moving vehicles when they collide

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Neha Shekhawat 3 years, 6 months ago

1 making a chapati from a dough 2 by pressing a clay between the hands

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name the property which decides whether a given sound is audible and inaudible

Posted by Ayaan Deshmukh 3 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Ayaan Deshmukh 3 years, 6 months ago

The property which decides whether a given sound is audible or inaudible is frequency.

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Sachin Chhetry 3 years, 6 months ago

The length, breadth, and height of a hall are 5m,6m, and 7m, respectively. The hall has one door of area 1m×0.5m.Find the cost of painting the walls(only the walls) at the rate of₹90 per square metre.

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Ayaan Deshmukh 3 years, 6 months ago

Frequency

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Sanskrit All questions

Posted by Chandan Raj 3 years, 7 months ago

CBSE > Class 08 > Science