7th Standard Science Chapter 1 November 22, 2020March 21, 2021wefru 7th standard science 7th STD science Chapter 1 : 7th standard science study material, pratice papers, notes 7th standard social All ty 2 Created on November 20, 2020 By wefru 7th STD science Chapter 1 7th Standard science MCQS 1 / 10 Q1 Two Organisms Are Good Friends And Live Together. One Provides Shelter, Water And Nutrients While The Other Three Prepares And Provides Food. Such An Association Of Organisms Is Termed As: Saprophyte Parasite Autotrophs Symbiosis Symbiosis Autotrophs Parasite Saprophyte 2 / 10 2 The Food Synthesised By The Plants Is Stored As Starch Protein Vitamins Dietary fibre 3 / 10 Q3Which Of The Statements Is Or Are Incorrect? Mushroom grows on dead and decaying organic matter. Pitcher plant shows saprotrophic nutrition as their leaves trap the insect. Cuscuta does not have chlorophyll. Algae contain chlorophyll and they prepare their own food. 4 / 10 Q4Which Of The Following Statements Is Or Are Correct? Insectivorous plants do not perform photosynthesis at all and they obtain nutrients from insects. Parasitic nutrition is a type of “Heterotrophic Nutrition”. The association of pulses plant with rhizobium bacteria is example of saprotrophic relationship. None of the above. 5 / 10 Q5Paheli Asked To Boojho That “Can You Solve The Following Riddle – I Am White And Soft. I Grow Well In The Rainy Season. Children Pluck Me From The Ground And Admire Me. But I Absorb Nutrients From Dead Animals And Plants”. White Lotus Mushroom Pitcher plant White Marigold 6 / 10 Q6Paheli Wants To Know That Some Plants Have Deep Red, Violet Or Brown Colored Leaves But Can These Leaves Perform The Process Of Photosynthesis? Yes, because they have different coloured as they trapped more solar energy. No, because green pigment is not present in different coloured pigment. Yes, because chlorophyll is hiding with leaf colour. No, because they get nutrients from the soil and different colour attracts many organisms. 7 / 10 Q7When We Observe The Lower Surface Of A Leaf Through A Magnifying Lens, We See Numerous Small Openings. Which Of The Following Is The Term Given To Such Openings? Stomata Lamina Mid rib Veins 8 / 10 Q8Which Of The Following Is Parasite? Lichens Algae Cuscuta Fungus 9 / 10 Q9Why Insectivorous Plants Trap Insects? They can’t get sufficient nutrients, as nitrogen, from soil. They want to take sometimes different nutrition as juices of insects. They are autotrophs and some autotrophs are not able to make food. Once in a week, they used their digestive system. 10 / 10 Q10Choose The Incorrect Statements, What Happened When Wheat Dough Left In The Open, After A Few Days It starts to emit a foul smell. It starts growth of saprophytic fungi and yeast. Carbohydrate in wheat breakdown into carbon dioxide. It is the place where rhizobium bacteria grow. Your score isThe average score is 20% LinkedIn Facebook Twitter VKontakte 0% Restart quiz