SEBA Class 7 Science Chapter 10 Life Processes in Animals

SEBA Class 7 Science Chapter 10 Life Processes in Animals Solutions English Medium As Per SCERT New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 Science Chapter 10 Life Processes in Animals Notes and select need one. SEBA Class 7 Science Textual Notes Download PDF. SCERT Class 7 Science New Textbook Question Answer in English.

SEBA Class 7 Science Chapter 10 Life Processes in Animals

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. SCERT Class 7 Amar Bijnan (Science) Textual Solutions are part of All Subject Solutions. Here we have given SCERT Class 7 Amar Bijnan (Science) Question Answer for All Chapters, You can practice these here.

Life Processes in Animals

Chapter: 10

PART – II

EXERCISES

1. Trace the path of air through the respiratory system by filling the boxes with the correct parts.

Ans: 

2. Rita added iodine solution to three test tubes A, B, and C containing wheat flour, sugar, and boiled potato respectively. What results will she get in each case? Give reasons.

Ans: Test tube A (Wheat flour):

Turns blue-black.

Reason: Wheat flour contains starch, and iodine gives a blue-black colour in the presence of starch.

Test tube B (Sugar):

No colour change (iodine remains brown).

Reason: Sugar does not contain starch.

Test tube C (Boiled potato):

Turns blue-black.

Reason: Boiled potato contains starch, which reacts with iodine.

3. Darken the circle of correct answer.

(i) What is the primary role of the large intestine?

(a) Absorption of nutrients.

(b) Absorption of water and salts.

(c) Digestion of proteins.

(d) Production of enzymes.

Ans: (b) Absorption of water and salts.

(ii) What is the function of alveoli in the lungs?

(a) To pump air into the lungs.

(b) To filter dust from inhaled air.

(c) To exchange oxygen and carbon dioxide.

(d) To store carbon dioxide.

Ans: (c) To exchange oxygen and carbon dioxide.

(iii) Which gas do we inhale during respiration?

(a) Carbon dioxide.

(b) Nitrogen.

(c) Oxygen.

(d) Hydrogen.

Ans: (c) Oxygen.

(iv) Which muscle helps in breathing?

(a) Diaphragm.

(b) Heart.

(c) Rib cage.

(d) Stomach.

Ans: (a) Diaphragm.

5. Fill in the blanks:

(a) The first part of alimentary canal where digestion begins is the ______________.

Ans: Mouth.

(b) The food pipe that connects the mouth to the stomach is called the ______________.

Ans: Oesophagus.

(c) The ____________ stores and churns food while mixing it with digestive juices.

Ans: Stomach.