CBSE ADDA

Question: What do you understand by animal nutrition? Answer : Animal nutrition includes requirement of nutrients, mode of intake of food, and its utilization in the body. Question:  What are the main steps of digestion in humans? Answer :  The main steps of digestion in humans are --- (1)  Ingestion (2)  Digestion (3)  Absorption (4)  Assimilation (5)  Egestion Question: What is digestion? Answer :  The breakdown of complex components of food such as carbohydrates into simpler substances is called digestion Question: Name the process of taking in food? Answer :  Ingestion. Question: What are the different modes of taking food into the body in different organisms. Answer : Bees and humming-birds suck the nectar of plants Bees and   humming-birds suck the nectar of plants Snakes like the python swallow the animals they prey upon. Some aquatic animals filter tiny food particles floating nearby and feed upon them. Question: What are

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Board Paper Solutions (2015) Class: X: Maths 2015 Set 3: Solutions (All India) 10th board maths question & answers with solution 2015. CBSE Board annual exam 2015 for Class 10th is going on. For convenience of students question paper with answer and solution of class 10h for 2015 are available for download Download CBSE Class 10th Mathematics CBSE Board Question Paper Solution from JSUNILTUTORIAL Board Paper Solutions (2015) Class: X: Maths 2015 Set 3: Solutions (All India)

Q. Four students observed the specimens of two plants and sketched them as shown below. They noted in their notebook the identification and the names of the group to which these plants belong (a) A – moss ; Bryophyta B – fern ; Pteridophyta (b) A – pine ; Gymnosperm B – leafy plant ; Angiosperm  (c) Both A and B are moss and belong to Bryophyta  (d) Both A and B are ferns and belong to Pteridophyta. Ans: (a) A – moss ; Bryophyta B – fern ; Pteridophyta Q. A strong transverse horizontal pulse, created at one end of a string, is observed to complete 5 journeys along its length, before fading out. The initial reading of the stop clock used in the experiment was 5 s and the final reading was 55 s. If the length of the string for one journey is L metre, the speed of the pulse, through the string is : (a) (L/55) ms21 (b) (L/50) ms21 (c) (L/11) ms21 (d) (L/10) ms21 Ans: (d) (L/10) ms21 Q. To determine the speed of a pulse through a stretched string a student can choose