Jan 08, 2021 - Very Short Question Answers - Reproduction in Plants Class 7 Notes | EduRev is made by best teachers of Class 7. (e)-(i) Answer: (b) The thread-like projections are called hyphae or mycelium. (b) Cotton [NCERT Exemplar] All questions and answers from the Living Science 2019 Book of Class 7 Science Chapter 13 are provided here for you for free. (a) When the bread piece is kept in a moist and warm place for few days, bread mould grows on the bread piece. It takes less time to grow and bear flower and fruits than those produced from seeds. After few days the roots are developed from the branch buried under the soil and develops into a new plant. Name two plants where vegetative reproduction takes place by roots. Question 16. Why is vegetative propagation a preferred method of asexual reproduction? The classifications according to which these questions have been divided are as follows: State the main difference between asexual and sexual reproduction. Answer: After pollination, the pollen grains fall on the surface of stigma and germinate to form a long tube, reaching the ovules inside the ovary, the egg or female gamete is present in the ovule. There are 15 questions in this test with each question having around four answer choices. Different colours and fragrance of flowers attract insects to them causing dispersal of pollen grain ensuring pollination. (b) The part where the female gamete is formed. [HOTS] Thus, the plants which cannot produce seeds, can be propagated vegetatively with the help of vegetative parts such as stem, roots, buds and leaves. 4. The Y is the inner whorl of flower called stamen. (a) The part which contains pollen grains. Ria went to a plant nursery with her mother. (c) long and ridged fruits (c) one to many ovules Seed dispersal in coconut is aided by winds. (d) spiny seeds, Question 7. (a) Seeds with wings Question 8. After fertilisation the ovules develop into …………… and the ovary develops into a …………… [NCERT Exemplar] Question 18. It has winged seed which are light in weight. (a) winged seeds By which method of reproduction did the algae spread so rapidly? Which of the following parts of a sexual reproduction? True/False (a) Which of these plants have unisexual flowers? Observe the following figure and answer the following questions. The male gametes move down the pollen tube and the tube enters the ovule present inside the ovary. (c) (i) and (ii) Class 5 - Reproduction in plants question answer part 2 - Duration: ... class 5 science Unit 1 Part(1) Reproduction in plant introduction. (c) The female reproductive part, where pollen grains germinate. Which type of pollination does the given figure indicate? (c) Pollen Choose from the options given [NCERT Exemplar] Pollen grains have a tough protective coat which presents them from drying up. Answer: Question 2. Access free tutor videos and make learning fun on LIDO learning. Answer: He was asked to pick the different whorls of flower by the forcep. 8. (iv) Pistil It is the female reproductive part of a flower that lies in the centre of a flower. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. Question 18. [NCERT Exemplar] The male and female gametes fuse during fertilization to produce zygote. Question 22. (b) (i) fertilisation. True Also help him to tell which part produces male gamete and female gametes. List the stepwise manner leading to formation of an embryo. Answer: Apomixis is Development of plant in darkness Development of plants without fusion of gametes Inability to perceive stimulus for flowering Effect of low temperature on plant growth Answer: 2 Q2. Which organism reproduce by budding? The ‘eye’ of the potato plant is what. Therefore, these are dispersed through animals. (d) the anther is to stamen, Answer: (c) the bud is to Bryophyllum leaf, Question 8. (d) (ii) bread mould. Question 1. Amphimixis is development of an organism obtained through Apospory Apogamy Fusion of gametes Without fusion … CBSE Science Class 7 Chapter 12 Reproduction in Plants - NCERT Exercise Solutions (Question-Answer) NCERT Exercise Solution (Question-Answer) is given below. Ria grew curious and asked some questions to gardner. Answer: After fertilisation, the ovary of a flower develops and becomes a fruit with seeds present inside. (c) Name any two plants where this method of reproduction is used. The ‘eye of the potato plant is what The middle part of the pistil is tube-like structure called style which connects stigma to the ovary. Answer: Mar 06, 2021 - Short & Long Question Answers - Reproduction in Plants Class 7 Notes | EduRev is made by best teachers of Class 7. Mention the benefits of seed dispersal. âSporesâ as a means of asexual reproduction are used by which plants? 7. The scars present on the potato tubers are called …………… . (b) only (i) All the sepals are together referred to as calyx. Answer: Asexual reproduction: (a) Only one parent plant is involved. (b) Sugarcane If the filament of Spirogyra are broken into fragments, then each fragment will develop into a new plant. (d) Various parts of this plant can be shown as follows: Question 6. (b) many ovules NCERT solutions for Class 7 Science Reproduction in plants. [NCERT Exemplar] 9. (c) pollination The small plants which were not there in the garden a weak ago have grown up due to seed dispersal. (c) Seeds with spines/hooks. [NCERT Exemplar] Asexual reproduction in yeast takes place by budding. (b) grafting, Question 11. The coconut fruits have a fibrous outer coat which enables them to float in water and carried away by flowing water to far off places. Question from very important topics are covered by NCERT Exemplar Class 7.You also get idea about the type of questions and method to answer in your Class 7th … 2. These lie inside the sepals. Why? Question 16. (c) Is ginger a root or stem? The ovary makes ovules and stores them. (b) many ovules It receives the pollen grains from the anther during pollination. (a) A flower is the reproductive part of plant which helps in sexual reproduction. 6. Question 12. Answer: Group the seeds given in figure (i) to (iii) according to their means of dispersion. (c) Rose The main parts of a flower are (ii) Two plants are always essential (d) The anther is to stamen (b) Asexual reproduction is seen in this plant. (d)-(viii) (ii) Seed Question 5. (iv) … (b) (i), (ii) and (iii), Question 5. How do the plants like sugarcane, potato and rose reproduce when they cannot produce seeds? Which among the following do not reproduce by vegetative reproduction? (b) (i), (ii) and (iii) Also read: Pollen-pistil interaction. We have provided here each questions answer with reason behind the answer. Hibiscus or China rose is a bisexual flower. Hope it help you! Question 3.Explain what you understand by sexual reproduction. Androecium. The bulb-like projections formed during reproduction are called buds. Answer: (Value Based Question] Question 1. 7. Formation of new but similar individuals from parents is characteristic feature of which process? (c) Money plant – Vegetative propagation. d) Spiny seeds. Ravi was sitting in a garden with his family. These MCQ Questions on Reproduction in Plants Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. (b) Small and light seeds. Coconut is a large and heavy fruit. (b) Seed of aak or madar has hairy outgrowth which makes it lighter and can be dispersed by wind. (b) What does it shows? The given figure shows self-pollination, as the pollen grains from anther of flower are transferred to the stigma of same flower. Given the diagrammatic representation of budding in a plant. stigma, style and ovary. (a) Spirogyra (c) Fragmentation Benefits of Seed Dispersals. Reproduction in Plants Class 7 Science Extra Questions Short Answer Type Questions Question 1. (d) fertilisation SURVEY . It helps in preventing competition between the plants and its own seedlings for sunlight, water and minerals. A flower ensures the occurrence of process of fertilisation. (a) Spirogyra – fragmentation (b) stem Flowers usually have a number of stamens in it. Unisexual flowers are those which contain either male or female reproductive part and bisexual flower has both reproductive parts (i.e. (a) only one ovule Answer: What is meant by the term fertilisation? 4. (iv) Only insects are agents of pollination (c) budding (b) (i), (ii) and (iii) (iv) Pistil, Question 5. Maple seed is dispersed by explosion mechanism. Answer: A flower consists of different parts. … 10. 2. (c) The thin stem having knob-like structure on the top is called sporangia or sporangium which contains hundred of minute spores. Lila observed that a pond with clear water was covered up with a green algae within a week. (d) the anther is to stamen. This solution contains questions, answers, images, explanations of the complete chapter 12 titled Reproduction in Plants of Science taught in class 7. The odd one out is rice. He was unable to name them. 5. The small bulb like projections coming out from the yeast cell is called a …………… . False, pollination is the process of transfer of pollen grains from anther to the stigma of flower. These are scented and attract insects for pollination. Question 13. The sexual reproduction takes place by the fusion of male and female gametes by the process called fertilisation to form zygote. Tick (%/) the correct answer: (a) The reproductive part of a plant is the. (a) Which type of vegetative propagation has been shown in this figure? (c) the … Answer: (iii) Fertilisation can occur only after pollination Inside the ovary, the male gametes fuse with the female gametes present in the ovule to form a fertilised egg cell which is called zygote. Asexually by vegetative propagation. When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them. Question 9. Multiple Choice Questions In this method, a mature branch of parent plant is bent down and covered with soil. Answer: The process of …………………. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7.. (d) (i) and (iv) (iv) Only insects are agents of pollination She stops as she forgets some names and Ravi noticing this comes to help her. (c) root (b) the bud is to a flower Give the name of the plant. In the above given pairs as rice reproduces by sexual reproduction and sugarcane, potato and rose reproduces vegetatively. Answer: None of the seed given in the figure is dispersed by water. (iii) Stamen It is a male reproductive organ of plant. Write the male and female reproductive parts present on the flowers. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. (a) What is this growth called? (b) grafting Question 4. Describe the structure of a flower. Tick (√) the correct answer: (a) The reproductive part of a plant is the. (iv) Branch Answer: Question 13. Pollen tube containing male gametes reaches to the ovary of flower. 1. zygote, fertilisation, embryo, seed, fruit Mention the mode of reproduction in the following plants male and female) on the same flower. stem cutting method. 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. In yeasts reproduction occurs by 2 years ago. The four whorls of the flower are outermost whorl âWâ is green part which is called sepal. When these insects again sit on another flower, these pollen grains are transferred to the stigma of that flower from the body of the insects. [HOTS] Zygote divides further to form new organism. Explain the reason for the growth of these plants. Pollen grains are present inside anthers for long time yet they do not die. Answer: (c) Mango and rose are two plants cultivated using vegetative propagation. Question 8. (b) the bud is to a flower. Give reason supporting the statement. Answer: (b) Mango and rose are the two plants where this method of vegetative takes place. (a) When food items like bread and fruits are kept outside for a long time especially during rainy season, a cottony growth of bread mould, a fungus is observed. (b) It shows vegetative reproduction by leaves. (b) Seed dispersed by water. It is the male reproductive part of flower. (a) Unisexual flowers are papaya, cucumber, com. Question 15. The swollen bottom part at the base of pistil is called ovary. Q1: Fill in the blanks. (c) (ii) and (iii) (iv) Branch (c) From where the new plants are developing? When animals move to other places and rub their body with tree, etc., these seeds fall from their body and get dispersed.. Pistil is the male reproductive part of a flower. by 7hquizmaster. Offsprings inherit the characteristics of both the parents. (i) leaf. (e) From where does the spors comes to the bread piece? 5. fragments 5. In …………………. A yellow powdery substance is present in the anther which participates in reproduction process. Jayant Smart Classes 28,302 views. (b) Yes, flower aids in both pollination and fertilisation. As a result, the survival for the plants will be difficult and the plants who survive will not grow into a healthy plants. As, rose reproduces by vegetative propagation, i.e. Question 7. All the petals are together referred to as corolla. (a) winged seeds (a) Wheat, Question 10. Question 9. (b) Flowers help in pollination and fertilisation. (b) Cotton, Question 9. 1. Name these parts of a flower. (b) Cutting and grafting method are two methods where stem is used for vegetative propagation. (d) (ii), (iii) and (iv), Question 5. True (a) Wheat [NCERT Exemplar; HOTS] Access Answers of NCERT Solutions for Class 7 Science Chapter 12 Reproduction in Plants. If the filament of Spirogyra is broken into fragments. Q. If you have any queries regarding Reproduction in Plants CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. i. Pollination refers to the transfer of pollen from anther to stigma. When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them. The ovary produces ovule which contains the female gametes or egg cell. Answer: (a) Seeds with wings-like seeds of drumstick and maple become light weighted and can be blown away by air. (a) Bryophyllum Buds in potato are also called …………………. Reproduction In Plants 7th Grade DRAFT. Pollen grains. Answer: Match the Columns (c) What is the other name of unisexual and bisexual flower? Answer: A bisexual flower has both male and female reproductive parts. The ovaries of different flowers may contain (a) only one ovule (b) many ovules (c) one to many ovules (d) only two ovules . After sometime, a long pollen tube is developed from the pollen grain which passes through the style towards the female gametes in the ovary. A student was given a flower. (a) fragmentation Hence, these are dispersed by animals. Inside the ovary male gametes fuse with the female gamete or egg present in the ovule. 1.The male and female gametes fuse to form a …………… during the process of …………… This grows into an …………… which is enclosed within a seed. His sister askes many questions related to flowers and Ravi answers her with all information he has. Plant Reproduction. (a) Which plant is this? (d) only two ovules (d) Pollination, Question 6. (a) What is vegetative propagation? (h)-(iv) (b) Sexual reproduction (c) one to many ovules, Question 6. The tip of pollen tube bursts and the male gamete comes out of the pollen tube. reproduction. It consist of two parts, i.e. (a) Ovules (a) Budding [HOTS] Diagrammatic representation of budding in yeast Refer to figure on page 178. (d) The colourful part of flower which attracts insects[NCERT Exemplar] The parts in the given figure are labelled as follows. These appear as the yellow powder like substance which is sticky in nature. (b) Yeast – budding (d) What values are observed in Ravi and his sister? 9. 2. (f)-(iii) (i) Flower Which of them can be used to grow a new rose plant? In which part of flower does fertilisation occur? 10. (c) Ginger is a stem. Answer: Answer: Vallisneria and Hydrilla. What is seed dispersal? Answer: - Duration: 21:27. Seeds of drumstick and maple are carried to long distances by wind because they possess Answer: The mode of reproduction in which male and female gamete fuse together to form a zygote. The ‘eye’ of the potato plant is what (a) the root is to any plant. If all the seeds of a plant were to fall at the same place and grow, there will be a severe competition for sunlight, water, mineral and space. (c) the bud is to Bryophyllum leaf Click here to get an answer to your question ️ Reproduction in plants class 7 extra questions kingitaat kingitaat 18.05.2018 Physics Secondary School Reproduction in plants class 7 extra questions 2 See answers vikask7827p8ng30 vikask7827p8ng30 1.What is meant by reproduction? ii. (c) one to many ovules (Class – VII) A Free web support in Education 3 Question 3: Explain what you understand by sexual reproduction. (b) Buds (c) Occurs in lower plants. The method of seed dispersal in the fruits and the parts which help in the seed dispersal: 6. [NCERT Exemplar; HOTS] 3. Answer: Riaâs mother wanted a flowering plant with fragrance. Exercise Questions 1. Answer: In which of the following plants buds are present on the margins of leaves? The male reproductive part is stamen and the female reproductive part is pistil. 6. (b) What are methods of producing new plants using stem? Question 21. Fungus, moss and fern reproduce by a common method of asexual reproduction. [Value Based Question] b) Large and hairy seeds. Question 11. Potato reproduces from seeds. 2. (b) How does the growth take place? Sugarcane and rose are propagated by stem cutting that is a method of vegetative propagation, in which stem is capable of growing into a mature independent plants that are identical to their parents. Answer: The ovaries of different flowers may contain Answer: Question 10. Answer: Get help with your Plant reproduction homework. Fruits are developed from the ripened ovary. (e) (ii) leaves. Answer: 5. Anther contains the pollen grain which have male gamete in it. (b) The bud is to a flower, Question 2. Answer: Question 17. What will you see? (d) transfer of pollen from anther to ovule, Answer: (c) transfer of pollen from anther to stigma. (a) Ovules, Fill in the Blanks Access the answers to hundreds of Plant reproduction questions that are explained in a way that's easy for you to understand. ensures continuity of life on the earth. Reproduction in which a single parent is involved is called Asexual Reproduction. Pistil. Question 2. The ovaries of different flowers may contain . (c) cutting 6. Flowers have nectars that attract insects. Explain how this process of layering is performed in jasmine. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. True (b) A flower may have either male or female reproductive parts. His younger sister comes running with different types of flowers and starts to name their parts. The zygote develops into an embryo which is a part of a seed that develops into a new plant. (d) Ravi is aware, sincere, helpful as he helps others and knowledgeable while his sister is inquisitive, ready to acquire new knowledge and observant. (a) The given figure is of Bryophyllum leaf. False, jasmine is grown by layering method of vegetative propagation. Answer: The seeds from the tree may have fallen below or have been dispersed by wind or animals on the ground, which on germination developed into new small plants. (a) Seed dispersed by wind. The other name for gynoecium is. (a) (i) and (ii) (c) Unisexual flowers are also called as incomplete flower while bisexual flowers are called hermaphrodite or complete flowers. When these seeds fall down they starts growing. Answer: Answer: Fertilisation occurs in the ovary of the flower after pollination of male and female parts. (a) transfer of pollen from anther to ovary Answer 3 (a) Question 4. Reproduction is the process of production of new similar organisms from their parents. (c) The leaves of Bryophyllum develops some buds in its margin or edges which grow into new plants, when buried in the soil. (a) the root is to any plant. (a)-(vii) (a) (i) and (iii), Question 7. (a) budding 6. stamen, pistil (d) (A) Scion (B) Stock, Question 3. The function of calyx is to protect the flower when it is in bud form. Question 3. True answer choices . (a) Vegetative propagation is the process of reproduction in which new plants are produced from different parts of old plants like stem, roots or leaves. Jasmine is grown by grafting. (d) Anther The gardner approached them and asked about their choice of plant. Banana forms from one parent only. (c)-(x) Flowers are colourful and fragrant. Answer: Choose the correct answer from below By which method of reproduction did the algae spread so rapidly ? The following advantages of vegetative reproduction makes it a preferred method. 8. fusion, zygote. The four main parts of a flower are (c) Aak CBSE Class 7 Science Worksheet - Reproduction In Plants - Practice worksheets for CBSE students. Answer: Some flowers have both, the male and female parts on them so they are called bisexual flowers. Boojho had the following parts of a rose plant-a leaf, roots, a branch, a flower, a bud and pollen grains. These ovules contain the female sex cells also called as egg cell. Explain the process of reproduction in plants, involving the fusion of cells from male and female parts of a flower. (d) Ria is curious, inquiring who wants to gain knowledge about process occurring around here. (a) ovulation The whorl âZâ is the innermost part of the flower called pistil.
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