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On the other hand a tomato plant produces plenty of fruits though they have small flowers. Analyse the reasons Tor failure of fruit formation in rose. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in Kingdom Animalia and Plantae prefer this mode of reproduction. Give at least three reasons for this. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Do all the gametes formed from a parent organism have the same genetic composition (identical DNA copies of the parental genome)? Analyse the situation with the background of gametogenesis and provide or give suitable explanation. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Justify the statement ‘Vegetative reproduction is also a type of asexual reproduction’. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Suggest a possible explanation why the seeds in a pea pod are arranged in a row, whereas those in tomato are scattered in the juicy pulp. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms In a developing embryo, analyse the consequences if cell divisions are not followed by cell differentiation. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms ‘Fertilisation is not an obligatory event for fruit production in certain plants’. Explain the statement. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Is it possible to consider vegetative propagation observed in certain plants like Bryophyllum, water hyacinth, ginger etc., as a type of asexual reproduction? Give two/three reasons. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms With which type of reproduction do we associate the reduction division? Analyse the reasons for it. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Honeybees produce their young ones only by sexual reproduction. Inspite of this, in a colony of bees we find both haploid and diploid individuals. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms The number of taxa exhibiting asexual reproduction is drastically reduced in higher plants (angiosperms) and higher animals (vertebrates) as compared with lower groups of plants and animals. Analyse the possible reasons for this situation. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms In haploid organisms that undergo sexual reproduction, name the stage in the life cycle when meiosis occurs. Give reasons for your answer. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms What do the following parts of a flower develop into after fertilisation? (a) Ovary (b) Ovules 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Match the organisms given in Column ‘A’ with the vegetative propagules given in column ‘B’. Column A - Column B (i) Bryophyllum → (a) offset (ii) Agave → (b) eyes 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Which of the following are monoecious and dioecious organisms? (a) Earthworm ............. (b) Chara ........... (c) Marchantia ............ (d) Cockroach ............ 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Why do gametes produced in large numbers in organisms exhibit external fertilisation? 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms In the figure given below, mark the ovule and pericarp. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Give reasons as to why cell division cannot be a type of reproduction in multicellular organisms. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms In the figure given below, the plant bears two different types of flowers marked ‘A’ and ‘B. Identify the types of flowers and state the type of pollination that will occur in them. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Is there a relationship between the size of an organism and its life span? Give two examples in support of your answer. 3 years ago Shilpi98 class 12 cbse ncert exemplar reproduction in organisms Page 5 / 5 Prev 1 2 3 4 5 Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
