NCERT English solutions

  MCQs Questions with Answers Q1. Find out incorrect sentence: (a) Protista includes unicellular eukaryotic organisms (b) Whittaker considered cell structure, mode and source of nutrition classifying the organisms in five kingdoms (c) Both Monera and Protista may be autotrophic and heterotrophic (d) Monerans have well defined nucleus Answer: (d) Monerans have well defined nucleus Q2. Which among the following has specialised tissue for conduction of water? (i) Thallophyta (ii) Bryophyta (iii) Pteridophyta (iv) Gymnosperms (a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (iv) Answer: (c) (iii) and (iv) Q3. Which among the following produce seeds? (a) Thallophyta (b) Bryophyta (c) Pteridophyta (d) Gymnosperms Answer: (d) Gymnosperms Q4. Which one is a true fish? (a) Jellyfish (b) Starfish (c) Dogfish (d) Silverfish Answer: (c) Dogfish Q5. Which among the following is exclusively marine? (a) Porifera (b) Echinodermata (c) Mollusca (d) Pisces ...

  Multiple Choice Questions 1.) Which of the following statements about the autotrophs is incorrect? (a) They synthesize carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll (b) They store carbohydrates in the form of starch (c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight (d) They constitute the first trophic level in food chains Answer: Answer is C. Because autotrophs can synthesize food in presence of light. They receive the light and can prepare the food. 2.) In which of the following groups of organisms, food material is broken down outside the body and absorbed? (a) Mushroom, green plants,  Amoeba (b) Yeast, mushroom, bread mould (c)  Paramecium ,  Amoeba , Cuscuta (d) Cuscuta, lice, tapeworm Answer: Answer is B. Because these yeast, mushroom, bread mold are saprophytes. As they feed on decaying organic matter. 3.) Select the correct statement (a) Heterotrophs do not synthesize their own ...

MCQ Questions Science 1.)  Dobereiners triads were written in the order of increasing ………………….. a) Atomic number b) Atomic mass c) Neutron number d) Proton number ANS-Atomic mass 2.) Mass of sodium element. a) 21.88 b) 22.99 c) 22 d) 17 ANS-22.99 3.) Which scientist explain ‘law of octaves’. a) Dobereiners b) Einstein c) Newlands d) Gigerl ANS-Newlands 4.) Symbol of thorium element. a) Th b) Ti c) Tl d) Te ANS-Th 5.) ………….. is the eighth element after lithium. a) Boron b) Helium c) Carbon d) Sodium ANS-Sodium 6.) Newland octaves law applicable only upto…………… a) Sodium b) Calcium c) Magnesium d) Carbon ANS-Calcium 7.) Mendeleevs periodic table contains vertical columns called………………. a) Group b) Periods c) Rows d) Lines ANS-Group 8.) Mendeleevs periodic table contains ……………………….called groups. a) vertical columns b) horizontal rows c) vertical lines d) horizontal lines ANS-vertical columns 9.) Mendeleeves horizontal rows called ‘…………………..’ a.) Group b.) Periods c.) Rows d.) Lines ANS-...