Biology for ( Grade 10 )

(H) In stomach hepatic caeca release its secretions in the form of digestive enzymes, thus the food is then completely digested ...

(iii) Premolars : For grinding (iv)Molars : For grinding Dental formula of humans : (A) Milk teeth These are temporary, arise a ...

food material is passed to anus through rectum. It is divided into three parts: (i) Caecum (ii) Colon (iii) Rectum 2.3 (g) Diges ...

DAILY PRACTICE PROBLESMS # 2 OBJECTIVE QUSTIONS Compensation point refers to the intensity of light at which (A) Rate of respir ...

Chewing is an example of (A) chemical digestion(B) mechanical digestion(C) involuntary action (D) hydrolysis The final produc ...

NUTRITION 3.1 INTESTINAL GLANDS : They secrete intestinal juice and mucus. 3.1 (a) Digestive System : This system involves follo ...

chewed and masticated and sent to esophagus through pharynx by swallowing. (ii) Digestion : Saliva secreted in buccal cavity sta ...

simpler water soluble forms now they are to be utilized, so they pass through the wall of small intestine which contains blood c ...

DAILY PRACTICE PROBLEMS # 3 OBJECTIVE QUESTIONS In amoeba the digestion of food is (A) extracellular (B) intracellular (C) int ...

(A) Mouth Pharynx Oesophagus Stomach (B) Mouth Pharynx Oesophagus Small Intestine (C) Mouth Oesophagus Stomach Pharynx (D) Oesop ...

What are the various factors that affect photosynthesis explain each of them in brief? (i) Explain why the rate of photosynth ...

Ans. A B C A C A C A B B DAILY PRACTIVE PROBLEMS # 3 Qus. 1 2 3 4 5 6 7 8 9 10 Ans. B D B A C D A B A C ...

TRANSPORTATION 4.1 INTRODUCTION : All living bodies need nutrients and oxygen in every cell of its various tissues to sustain li ...

plants absorb water and mineral salts through their roots. The area of young roots where most of the absorption takes place is t ...

Xylem Phloem (i) Functional xylem ells are dead. (i) Functional phloem cells are alive. (ii)It carries mineral salts, water and ...

as carrier). 4.3 (a) Blood Vascular System : The higher multicelluar animals with higher metabolic rates posses a well developed ...

leucocytes is comparatively fever i.e. one ml of blood contains 5000 - 10000 leucocytes in humans. The total number of WBCs is a ...

Transportation of hormones : Hormones are produced by endocrine glands. These hormones have target organs (p lace to act). Thes ...

Prothrombin Thrombin Fibrnogen Fibrin (soluble) (Insoluble ) Fibrin +Red blood corpuscles Clot of blood 4.3 (d) Blood Groups : L ...

4.3 (e) Blood Transfusion : The transfusion of blood from a healthy person to a patient suffering from blood loss due to injury ...