5. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. 4. Hibiscus or China rose is a bisexual flower. Ravi was sitting in a garden with his family. [Value Based Question] The process of reproduction is necessary for the perpetuation and preservation of species and to increase the number of members of species. 2. Give reason. Tick (√) the correct answer: (a) The reproductive part of a plant is the. Question 16. These appear as the yellow powder like substance which is sticky in nature. [NCERT Exemplar] It consist of three parts, i.e. Answer 10)(a) (iv) flower. Diagrammatic representation of budding in yeast Refer to figure on page 178. (a) winged seeds (b) transfer of male gametes from anther to stigma (ii) Two plants are always essential Question 6. True/False You can refer to NCERT Solutions for Class 7 Science Chapter 12 Reproduction in Plants to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. (c) Do all flowers have both male and female parts on them specify? Answer: True MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Also read: Pollen-pistil interaction. Seed dispersal avoids overcrowding of young plants around their parent plants. Answer: 8. 6. Pollen grains are present inside anthers for long time yet they do not die. The cells which result after …………… of the gametes is called …………… . Answer: (ii) Petals 1. (d) (i) and (iv) Buds are small bulb-like projections of yeast cell. Answer: Asexual reproduction: (a) Only one parent plant is involved. (iv) Only insects are agents of pollination 2. All questions and answers from the Living Science 2019 Book of Class 7 Science Chapter 13 are provided here for you for free. male and female) on the same flower. Now make a table and describe the method of seed dispersal in these fruits as well as the part which helps in the seed dispersal. False, potato reproduces from âeyesâ which are buds present on its body. Choose the correct answer from below: Thus, the plants which cannot produce seeds, can be propagated vegetatively with the help of vegetative parts such as stem, roots, buds and leaves. Which of the following statements is/are true for sexual reproduction in plants? The new plants are the exact copies of parent plant because they are produced from a single parent. The tip of the pollen tubes gets dissolved and male gametes comes out of the pollen tube. Place a piece of bread in a moist and warm place for few days. The parts in the given figure are labelled as follows. (i) leaf (ii) stem (iii) root (iv) … (b) Flowers help in pollination and fertilisation. Question 7. (d) The colourful part of flower which attracts insects[NCERT Exemplar] A yellow powdery substance is present in the anther which participates in reproduction process. In sexual reproduction, both parents survive after the process of reproduction. The base of the flower on which all the parts of flower are attached is called receptacle. Potato is an underground modified stem having bud called eyes, which sprout and develop into a new identical plant. Q1: Fill in the blanks. How do they aid in process of pollination? Answer: (iii) Fruit (a) What is this growth called? Find detailed video answer solutions to NCERT Solutions Science , Class 7 Reproduction in Plants questions taught by expert teachers. 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Anther contains the pollen grain which have male gamete in it. 1. Choose from the options given [NCERT Exemplar] are the reproductive parts of a plant. Lila observed that a pond with clear water was covered up with a green algae within a week. After few days the roots are developed from the branch buried under the soil and develops into a new plant. Give one difference between unisexual and bisexual flower. (i) Sepals These are the green leaf-like outermost circle of the flower. Also help him to tell which part produces male gamete and female gametes. Asexually by vegetative propagation. (c) Number of some flowers can either have male or female parts on them, these flowers are called unisexual. 8. His younger sister comes running with different types of flowers and starts to name their parts. (a) The given figure is of ginger tuber. (a) only one ovule Inside the ovary male gametes fuse with the female gamete or egg present in the ovule. (b) Bisexual flowers are rose, mustard, lady’s finger, Petunia, pea. The swollen bottom part at the base of pistil is called ovary. Spirogyra \s an alga which may breaks up into two or more …………… . Fungus, moss and fern reproduce by a common method of asexual reproduction. Answer: True False, pollination is the process of transfer of pollen grains from anther to the stigma of flower. REPRODUCTION IN PLANTS Fill in the blanks:-1 In ----- reproduction a new plant body is formed by a single parent . Answer: Collect some flower of different plants like papaya, rose, mustard, lady’s finger, Petunia, cucumber, corn, pea, etc. The small plants which were not there in the garden a weak ago have grown up due to seed dispersal. Question 19. (b) Touch me not Seeds of drumstick and maple are carried to long distances by wind because they possess [NCERT Exemplar] Plants such as cacti produce new plants when their parts get detached from the main plant body. Roots, stems and leaves are called …………… of a plant. Multiple Choice Questions Answer: Which type of pollination does the given figure indicate? Answer 3 (a) Question 4. (i) Flower (c) Aak Flowers have nectars that attract insects. (h)-(iv) (c) one to many ovules Flowers are colourful and fragrant. (d) Ria is curious, inquiring who wants to gain knowledge about process occurring around here. The MCQ Questions for Class 7 Science with answers have been prepared as per the latest 2021 syllabus, NCERT books and examination pattern suggested in Standard 7 by CBSE, NCERT and KVS. False, maple seed is dispersed by wind or water as these seeds are very light and hairy. The ‘eye of the potato plant is what The whorl âZâ is the innermost part of the flower called pistil. (a) A flower is the reproductive part of plant which helps in sexual reproduction. Name two plants where vegetative reproduction takes place by roots. 4. eye Maple seed is dispersed by explosion mechanism. Boojho had the following parts of a rose plant-a leaf, roots, a branch, a flower, a bud and pollen grains. Pistil is the male reproductive part of a flower. (b) grafting, Question 11. (b) Which of these plants have bisexual flower? The process of layering is commonly used in jasmine for reproduction. The mode of dispersal of the seeds having following properties are as follows: These are asexual reproducing bodies of yeast. Which of the following parts of a plant take part in sexual reproduction? Answer: NCERT Exemplar Class 7 Science is very important resource for students preparing for VII Board Examination. Free PDF download of NCERT Solutions for Class 7 Science Chapter 12 - Reproduction in Plants solved by Expert Teachers as per NCERT (CBSE) Book guidelines. Match the Columns Different colours and fragrance of flowers attract insects to them causing dispersal of pollen grain ensuring pollination. 2. We have Provided Reproduction in Plants Class 7 Science MCQs Questions with Answers to help students understand the concept very well. When the reproduction in an organism includes two types of gametes, i.e male and female from two different parents, it is called sexual reproduction. SURVEY . Question 6. Answer: The pollens are deposited on stigma and begins to germinate. (a) fragmentation The small bulb like projection coming out from the yeast cell is called a …………………. (b) The bud is to a flower, Question 2. Answer: The sexual reproduction takes place by the fusion of male and female gametes by the process called fertilisation to form zygote. After fertilisation, the ovary of a flower develops and becomes a fruit with seeds present inside. [HOTS] Answer: Answer: (a) Unisexual flowers are papaya, cucumber, com. ii. Answer: Question 4. (b) Seed dispersed by water. (d) (ii) bread mould. Stigma. (b) The thread-like projections are called hyphae or mycelium. Question 2. The ‘eye’ of the potato plant is what (a) the root is to any plant. (b) Which type of reproduction is seen in this plant? 1. Question 13. (b) Sexual reproduction Question 4. 4. (iii) Fruit (c) long and ridged fruits (b) grafting His sister askes many questions related to flowers and Ravi answers her with all information he has. (c) What is the other name of unisexual and bisexual flower? Question 16. (d) fertilisation Question 4. (c) the bud is to Bryophyllum leaf. Question 11. Sweet potato and dahlia develops new plants through their roots by the process of vegetative reproduction. (b) The bud is to a flower (e)-(i) Answer: All organisms multiply or reproduce their own kind. The stalk of stamen is called filament and the swollen top of stamen is called anther. (a) ovulation Explain. 5. Bryophyllum leaves reproduce using which mode of reproduction? Which organism reproduce by budding? [NCERT Exemplar] As, rose reproduces by vegetative propagation, i.e. 7. Hope it help you! (c) Fragmentation CBSE Science Class 7 Chapter 12 Reproduction in Plants - NCERT Exercise Solutions (Question-Answer) NCERT Exercise Solution (Question-Answer) is given below. The four main parts of a flower are Layering is a method of vegetative reproduction in branches. The ovaries of different flowers may contain 7. (a) Wheat Androecium. (b) (i) fertilisation. What is seed dispersal? [HOTS] Question 1. Given the diagrammatic representation of budding in a plant. It takes less time to grow and bear flower and fruits than those produced from seeds. Mention the benefits of seed dispersal.
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