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Home. (a) community Statement Z : In all birds gonads are activated due to increase in intensity oflight during summer. Answer: (a) age graph The population growth is generally described by the following equation: (c) increasing the rate of photosynthesis Here are 83 most important Multiple choice questions and answers on Organism and population for the entrance exams. (a) flora (a) Allen’s law (d) Weisman’s theory. (a) Bacteria – Thick walled resting spores (b) Pug marks and faecal pellets Statement Y : Reproduction of birds is influenced bylight. Answer: (c) Though eggs are incubated they donot reach upto adult stage. (b) Berger’s (b) butterfly Students aspiring to crack their upcoming NEET exam must thoroughly prepare concepts and questions from this chapter. Organisms: Organisms form the basic unit of study in ecology. _______ generally have shorter ears and limbs to minimise heat loss. Question 63. (a) Temperature We hope the given NCERT MCQ Questions for Class 6 Science Chapter 9 The Living Organisms and Their Surroundings with Answers Pdf free download will help you. (b) particle size of soil (b) Pug marks and faecal pellets, Question 27. (d) Animals of colder areas possess thick fur. Terrestrial Habital > Aquatic Habitat, (b) 1. (b) poikilothermic B) Death rate done clear. Question 21. Students who can Practice CBSE Class 12 Biology Multiple Choice Questions with Answers to improve your score in Board Exams. As on now result data from 2004 till this year is available in the repository. 12th Biology chapter 13 Organisms and Populations have many topics. (a) genus Statement X : Migration of birds is influenced bylight. Answer: (c) macrofauna (d) phytoplanktons and mesofauna. (a) chemical composition of soil (a) Marine (b) Esturine (c) Riverine (d) pond. Ecology explains to us all this. Biology Important Questions Class 12 are given below.. Question 23. Chapter 13 Organisms And Populations. (b) vernalisation Dec 23,2020 - Test: Organisms And Populations- 1 | 25 Questions MCQ Test has questions of NEET preparation. (b) age density What is true for the following statements ? (c) Orobanche (a) physiology mcq/notes neet Physics mcq neet Chemistry mcq neet Biology notes neet physics notes neet chemistry notes Hello neet biology chapter wise mcq based on A and R, match the following, not matching pairs, select correct or wrong statement ,diagram ,fact and definition, application. (a) amensalism The plants of this group are adapted to live partly in water and partly above substratum and free from water (d) all of these. Statement Y : Reproduction of birds is influenced bylight. (d) sharing of one or more resources between the two species. (d) Reduced surface area to volume ratio NEET Biology Question Bank for Organism and Population covers all types of questions candidates are likely to confront in the exam paper. Answer: (a) relation of heterogenous population to its environment (b) population Opuntia has spine like leaves which help in When organisms change their location to escape from harsh environment, it is called as (a) had no coevolved herbivores (c) both (a) and (b) (a) conformers (c) salt concentration. Students can solve NCERT Class 12 Biology Organisms and Populations MCQs Pdf with Answers to know their preparation level. (c) salt concentration (d) all of these. (d) co-operation. If you have any query regarding CBSE Class 12 Biology Organisms and Populations MCQs Pdf, drop a comment below and we will get back to you at the earliest. Free revision notes, brief chapter explanations, chapter summary and mind maps for all important and difficult topics of NEET Biology Organisms and Population... Access NEET Biology Organisms and Population MCQs for important topics for all chapters, download multiple choice questions. A behavioural strategy of a daptation called echolocation is found in An ecosystem is a biological community of living organisms like plants, animals and microbes in a particular area. (d) competition. a. (d) Lizard – Aestivation. (d) all of these. (d) population. (b) Immigration (b) precipitation (a) Opuntia (c) life in the outer space Which of the following factors has a negative effect on the population growth rate ? This session will be beneficial for pre-medical (NEET, AIIMS) aspirants, class XIth, and XIIth students. (c) age pyramid The branch of science which studies the interactions among organisms and between organisms and physical environment is called as This session will be beneficial for pre-medical (NEET, AIIMS) aspirants, class XIth, and XIIth students. (a) predation (b) an ecologically adapted zone Question 47. of persons (b) area (c) Birthrate (d) Death rate, (a) As the light intensity decerease reproductive organs become active, (b) In some Birds increase or decrease in intensity of hight- makers reproductive organs active or inactive respecctivity, (c) with increase in temperture, gonads become active, (a) Both X&Y are correct (c) X is wrong Y is true, (b) Both x & Y are wrong (d) X is correct & Y is true, (a) February (b) September (c) April (d) October, (a) Predation (b) Competition (c) Emigration (d) diseases, (a) Interspecific competition (b) Emigration, (c) limiting resources (d) Reproductive ability, (c) show diffrent type of ecological niche. (c) commensalism 200 per hour c. 5 per hour d. 100 per hour; What would be the per cent growth or birth rate per individual per hour for the same population mentioned in the previous question (Question 10)? Chapter 13 Organisms and Population MCQ. (c) both (a) and (b), Question 59. (b) increasing the rate of transpiration (d) Reduced surface area to volume ratio, Question 44. (a) 1. (a) 18 – 25°C and 150 – 400 cm, Question 25. _______ is an attribute of the organism (morphological, physiological, behavioural) to survive and reproduce in its habitat. which studies the interactions among organisms and between the organism and its physical (abiotic) environment. (a) age distribution, Question 55. Sourav Sharma. (c) Natality (b) dN/dt = rN$$\left(\frac{K-N}{K}\right)$$ Answer: Which of the following is not a part of an organism’s physical environment ? (b) light (a) tilted axis Question 46. (d) All of these, Question 9. (d) population. (b) depth Mango trees do not and cannot grow in temperate regions. Chapter 13, Organisms and populations is an important part of the NEET syllabus. (d) all of these. 2. Why you never see cattle or goats browsing on weed Calotropis ? 9M watch mins. An animal that can survive at 10°C and 40°C both, can be placed under the category of Chapter 13 Organisms and Population MCQ. NEET Biology MCQ Chapter-13 Organism and population 1. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 13 Organisms and Populations. (c) the physical position and functional role of a species within the community. Ecotone is Terrestrial Habital < Aquatic Habital, (c) Aggregation of grain (d) All of these, (a) 90°C (b) 100°C (c) 110°C (d) All of these, (a) i, ii (b) i, iii (c) ii, iii (d) i, ii,iii), (a) Because of exosmosis they drink sea water, (b) As they drink sea water exosmosis occurs, (c) Because of exosmosis body fluid become hypotonic, so they drink sea water, (a) Involvement of 4 individuls of a population, (b) Involvement of 4 population of a species, (c) Involvement of 4 species of a community, (d) Involvement of 4 speces of 4 ecosystem, (a) (1-q), (2-s), (3-p) (4-r) (b) (1-s), (2-q), (3-p) (4-r), (c) (1-s), (2-p), (3-q) (4-r) (d) (1-p), (2-q), (3-s) (4-r), (a) Penicillium <--> Gram +ve bacteria ; Penicillium: ‘+’, (b) Rhizobium <---> palnt - leguminosae family : Both ‘O’, (d) Shank fish <---> Suckerfish ; Suckerfish ; ‘O’, (a) Deconposition, essential process like death, will stop, (c) Begining of the food chain is not possible, (a) X = cockroachY = pearl oyester Z = Hydra, (c) X = Hermit crab Y = Gastropoda Z = sea anenone, (a) (1-s), (2-r), (3-p) (4-q) (b) (1-r), (2-s), (3-q) (4-p), (c) (1-s), (2-p), (3-q) (4-r) (d) (1-q), (2-r), (3-s) (4-p), (a) X = Hermit Grab           Y = Gastropod, (b) X= Sea anemore          Y = mesosere Succession, (c) X = Lichen                   Y = Xerosere, (d) X= Lichen                   Y= Hydrosere, (a) Sedge-meadow stage (b) phytoplanktones, (a) Sandy soil (b) Black soil (loan soil), (a) No. Science MCQs Questions with Answers PDF Download of CBSE Biology Multiple Choice Questions and for. 13, Organisms and population important Questions of key topics this Chapter we ecology. 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