Biology for ( Grade 10 )
Wavelength of visible light is (A) 200 - 400 nm (B) 400 - 700 nm (C) 700 - 900 nm (D) 100 - 200 nm The presence of sugar in o ...
SUBJECTIVE QUESTIONS VERY SHORT ANSWER TYPE QUESTIONS Define photosynthesis? Name the different modes of nutrition and classify ...
NUTRITION 2.1 NUTRITION IN ANIMALS : Animals have highly evolved digestive mechanism that includes two basic components : Ali ...
Coiled and well developed alimentary canal was developed in annelida till mammals. 2.2 NUTRITION IN LOWER ANIMALS : 2.2 (a) Nu ...
2.2 (b) Nutrition is Grasshopper : It has a well developed digestive system having an alimentary canal and digestive glands. ...
The process involves: (i) Ingestion : If feeds on green leaves so it takes food through its mouth with the help of it’s foreleg ...
(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 ...
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