We must be aware that the lungs supply oxygenated blood to the left atrium of the heart. Gradually, it contracts and blood is allowed to enter the next chamber (the left ventricle) as it expands. When the left lower chamber ...

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

Here, the sized of the object. h = 10 mm = 1 cm Size of the image h₁ = 5 mm = 0.5 cm Distance of image from the pole of mirror v = – 30 cm Let distance of ...

The wall of the alimentary canal consists of muscular layers. The rhythmic contraction and relaxation of these muscles move the food forward. This is called peristalsis, which occurs throughout the abdomen. It is a type of movement that facilitates the ...

Remember, the pH value of water is 7. Acetic acid (CH₃COOH) is a weak acid while hydrochloric acid (HCl) is a strong acid. Hence, the correct increasing order of acidic strength is water < acetic acid < hydrochloric acid.