Hydrochloric acid: Provides acidic medium for pepsin to act and kills bacteria. Villi: Increase surface area for...

Correct Answer: (c) (B) and (C) Explanation: (B) Left atrium → left ventricle → body (True)...

The process is called Translocation. Explanation: Translocation is the movement of food (mainly sugars) from leaves to...

(a) Glands in buccal cavity: Salivary glands – Secrete saliva which contains amylase (acts on...

Bile juice does not contain enzymes, but it plays vital roles in digestion: Emulsifies fats...

Correct Answer: (b) (i) Amino acids, (ii) glucose, (iii) fatty acids and glycerol Explanation: Proteins →...

Water reaches the leaves by transpiration pull through xylem vessels. Roots absorb water, which moves...

(d) Translocation Explanation: Translocation refers to the transport of soluble products (like glucose) through the phloem.

During intense running, muscle cells may not get enough oxygen to meet the energy demand....

Other name of lymph: Tissue fluid Functions: Transports nutrients and oxygen to cells. Removes metabolic...