Tiwari Academy Discussion

Poll

Beniwal

Asked: December 6, 2021In: Class 10 Science

Each nephron has a Cup shaped upper end called , which contains a _____:

Class 10th Science Session 2022-23 Class X Science MCQ Extra Questions Answers Class 10 Science Terminal Exams MCQ Solutions 10th Science Terminal Exam Based MCQ Extra Questions

Poll

Azad Singh

Asked: December 6, 2021In: Class 10 Science

Amphoteric oxides are:

All we know that – metal oxides which react with both acids as well as bases to produce salt and water are called Oxides of Amphoteric or Amphoteric oxides. You can write as an example: 1)Al₂O₃ + 2NaOH → 2NaAlO₂ ...

Poll

Poorun

Asked: December 6, 2021In: Class 10 Science

Which of the following statement is correct about metals?

Class X Science MCQ Extra Questions Answers Class 10 Science Terminal Exams MCQ Solutions Class 10th Science Session 2022-23 10th Science Terminal Exam Based MCQ Extra Questions

Poll

Mamta Kamari

Asked: December 6, 2021In: Class 10 Science

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that the rice water contains:

Solution of Iodine is often used for testing the presence of starch in the food particles, as we know that. But, when iodine is added to starch, it turns blue-black. rice water it turns blue-black because it contains starch, hence ...

Poll

Kumar Verma

Asked: December 4, 2021In: Class 10 Science

A student obtained a sharp image of a candle flame placed at the distant end of the laboratory table on a screen using a concave mirror to determine its focal length. The teacher suggested him to focus a distant building about 1 km far from the laboratory, for getting more correct value of the focal length. In order to focus the distant building on the same screen the student should slightly move the:

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

Poll

Gokul

Asked: December 4, 2021In: Class 10 Science

Food cans are coated with tin and not with zinc because

Class 10th Science Session 2022-23 Class X Science MCQ Extra Questions Answers Class 10 Science Terminal Exams MCQ Solutions 10th Science Terminal Exam Based MCQ Extra Questions

Poll

Jessika

Asked: December 4, 2021In: Class 10 Science

Is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

As a living organism, it is necessary to separate the oxygenated blood from mixing with deoxygenated blood as mammals and birds both needs high energy because they constantly require energy to process their body organisms and maintain their body temperature. ...

Poll

Nirmala

Asked: December 4, 2021In: Class 10 Science

Renu was returning home after purchasing some medicine for her mother. It was noon and really very hot on that particular day. She tried to look at the sun but the sun was shining so brightly that she could hardly see it directly. She somehow managed to see its reflection on a window and noticed that the colour of the sun was White. At noon, the sun appears white as

At noon the sun is directly overhead and have lesser here to travel through you and hence it will be reduced if the distance to be travelled in air is reduced less scattering leads to Sun appearing white as only ...

Poll

Manju Kamari

Asked: December 4, 2021In: Class 10 Science

Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by:

Fishes have heart which is two-chambered and they exhibit single circulation. Remember, four-chambered heart of birds and mammals exhibit double circulation and three-chambered heart of amphibians and reptiles depicts double circulation also.

Poll

Gokul

Asked: December 4, 2021In: Class 10 Science

The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?

Atomic number of X is 10, so this must be Ne (Neon), a noble or inert gas. This gas has complete octet configuration. Atomic number of Y is 17 as [2, 8, 7], so this must be chlorine (Cl). Chlorine ...

Each nephron has a Cup shaped upper end called , which contains a _____:

Amphoteric oxides are:

Which of the following statement is correct about metals?

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that the rice water contains:

Food cans are coated with tin and not with zinc because

Is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by:

The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Tiwari Academy Discussion Latest Questions