Statement -1: Often collenchyma contain chloroplast.Statement -2: Collenchyma with chloroplast assimilate food.Only statement 1 is correctOnly statement 2 is correctBoth 1 and 2 statements are incorrectBoth 1 and 2 statements are correct

Directions: In the following questions, a statement of assertion is followed by a statementof reason.Mark the correct choice as:(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.(b) If both Assertion and Reason are true but Reason is not the correct explanation ofAssertion.(c) If Assertion is true but Reason is false.(d) If both Assertion and Reason are false.1.Assertion(A): Chloroplasts mostly occur in mesophyll cells along their walls inside theleaves.Reason(R) : The membrane system of chloroplast is responsible for trapping the light energyand also for the synthesis of ATP and NADPH.2. Assertion(A) : The offspring produced by sexual reproduction is likely to adjust better inenvironmental fluctuation.Reason (R) : During the fusion of gametes there is mixing of genetic material from twoparents

Which of the following statements are true?Question 16Select one or more:Only organisms containing chloroplasts can photosynthesise.Respiration occurs only at night.Respiration takes place in all living organisms, plants, animals and algae.Photosynthesis occurs during the day and night.Question 17Not yet answeredMarked out of 4Flag questionTipsQuestion textDrag and drop missing words to the correct positions in the following phrase:During the process of photosynthesis  Blank 1 Question 17 and water is converted to oxygen and  Blank 2 Question 17 when  Blank 3 Question 17 from the Sun is absorbed by  Blank 4 Question 17 in green plants.oxygen light energy stomata glucose chlorophyll cellulose carbon dioxideQuestion 18Not yet answeredMarked out of 1Flag questionTipsQuestion textA producer is an organism that can convert light energy into glucose.Question 18Select one:TrueFalseQuestion 19Not yet answeredMarked out of 2Flag questionTipsQuestion textDrag and drop the correct answer in the open spaces.During respiration glucose molecules are broken down in the presence of  Blank 1 Question 19 to form energy with byproducts  Blank 2 Question 19 and water.carbon dioxide mitochondria stomata oxygen chlorophyll starch water celluloseQuestion 20Not yet answeredMarked out of 1Flag questionTipsQuestion textThe products of photosynthesis are used for respiration, and the products of respiration are used for photosynthesis.Question 20Select one:TrueFalse

Statement-I: The upper part of respiratory tract is provided with small hair-like structures called cilia. Statement-II: Smoking destroys these hairs due to which germs, dust enter lungs with inhaled air.Consider the given statements and select the correct option.Only one correct answerA.Only statement-I is correctB.Only statement-II is correctC.Both the statements are correctD.Both the statements are incorrect

Statement 1: A chemical change may be accompanied by evolution of a gas and changein colour. Statement 2 : Photosynthesis and digestion are chemical changes.A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.B.Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.C. Statement 1 is false and statement 2 is true.D. Both statements 1 and 2 are incorrect

I: Life cycle of Fucus is haplonticStatement II: In Funaria, there is alternation of haploid gametophytic generation with diploidsporophytic generationa) Both Statement I and Statement II are correctb) Both Statement I and Statement II are incorrectc) Statement I is correct and Statement II is incorrectd) Statement I is incorrect and Statement II is correct