The small bulb like projection coming out from the yeast cell is called a …………………. 1. - Duration: 21:27. Answer: Answer: True Seeds of drumstick and maple are carried to long distances by wind because they possess Answer: (c) transfer of pollen from anther to stigma Question 9. Question 10. Answer: When these seeds fall down they starts growing. These lie inside the sepals. Question 3.Explain what you understand by sexual reproduction. [NCERT Exemplar; HOTS] variation of offspring. (g)-(ii) Diagrammatic representation of budding in yeast Refer to figure on page 178. Two individuals are needed for the sexual reproduction. (b) Sexual reproduction GENERAL SCIENCE Class-VII. (ii) Two plants are always essential (b) Name two plants where this method of vegetative reproduction takes place. Question 21. (i) Plants are obtained from seeds Played 126 times. 2. 4. (c) Money plant – Vegetative propagation. 5. Spirogyra \s an alga which may breaks up into two or more …………… . 3. Pistil. ensures continuity of life on the earth. (a) What is this growth called? We hope the given NCERT MCQ Questions for Class 7 Science Chapter 12 Reproduction in Plants with Answers Pdf free download will help you. Pistil is the male reproductive part of a flower. In …………………. Flowers are colourful and fragrant. (c) one to many ovules Question 14. (d) layering Prepared by teachers of the best CBSE schools in India. The odd one out is rice. Pollen grains are present in anther. Answer: Write the male and female reproductive parts present on the flowers. The stamen is made up of two parts, i.e. Maple seed is dispersed by explosion mechanism. (a) winged seeds The fusion of male and female gametes is called (b) Cotton, Question 9. Inside sepal the next whorl is X which is coloured and attractive part of the flower called petals. (c) The thin stem having knob-like structure on the top is called sporangia or sporangium which contains hundred of minute spores. (c) The leaves of Bryophyllum develops some buds in its margin or edges which grow into new plants, when buried in the soil. Name two plants in which pollination occurs by water. (d) fertilisation He was asked to pick the different whorls of flower by the forcep. (a) Wheat When the pollens are deposited on the stigma of the pistil, it begins to germinate. 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. Formation of new but similar individuals from parents is characteristic feature of which process? 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Find detailed video answer solutions to NCERT Solutions Science , Class 7 Reproduction in Plants questions taught by expert teachers. Fruit is the ripened ovary of a flower. Class 5 - Reproduction in plants question answer part 2 - Duration: ... class 5 science Unit 1 Part(1) Reproduction in plant introduction. Question 12. It is the male reproductive part of flower. Flowers usually have a number of stamens in it. (d) Label the part (A) and (B) in the given figure. Vegetative propagation in potato takes place by (a) What is a flower and mention its function during reproduction? (a) Spirogyra – fragmentation Androecium. 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. Hibiscus or China rose is a bisexual flower. If the filament of Spirogyra are broken into fragments, then each fragment will develop into a new plant. seeds of water lily, lotus, chestnut (singhara) and coconut are dispersed through water. (e) These spores are present in the air and when favourable conditions arrive, the grow into new plants. 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. After fertilisation the ovules develop into …………… and the ovary develops into a …………… [NCERT Exemplar] (b) the bud is to a flower The swollen bottom part at the base of pistil is called ovary. (d) the anther is to stamen, Answer: (c) the bud is to Bryophyllum leaf, Question 8. (a) Seeds with wings-like seeds of drumstick and maple become light weighted and can be blown away by air. 7. (i) Sepals These are the green leaf-like outermost circle of the flower. (e)-(i) The whorl ‘Z’ is the innermost part of the flower called pistil. False, pistil is the female reproductive part of a flower. (c) one to many ovules, Question 6. Answer: Answer 4 (c) Question 5. What are the bulb-like projections forming in yeasts? 7. Branch can be used to grow a new rose plant. 6. stamen, pistil The four whorls of the flower are outermost whorl ‘W’ is green part which is called sepal. (d) Ria is curious, inquiring who wants to gain knowledge about process occurring around here. 3. bud In which part of flower does fertilisation occur? The process of layering is commonly used in jasmine for reproduction. Answer: This document is highly rated by Class 7 students and has been viewed 625 times. (a)-(vii) Answer: We have Provided Reproduction in Plants Class 7 Science MCQs Questions with Answers to help students understand the concept very well. … What is meant by reproduction? The seeds and their means of dispersal can be given as follows: Name these parts of a flower. Science - Class 7 /Grade 7 (Chapter 11-18) Chapter 12 - Reproduction in Plants - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 12 Reproduction in Plants, to Study online or download free in PDF form. (a) (i) and (iii), Question 7. (iii) Fruit Question 17. (b) Touch me not Q1: Fill in the blanks. (iii) Fertilisation can occur only after pollination Question 10. (i) leaf. Style. Observe the given figure and answer the following questions. Tick (%/) the correct answer: (a) The reproductive part of a plant is the. Therefore, these are dispersed through animals. These are asexual reproducing bodies of yeast. (b) The thread-like projections are called hyphae or mycelium. (a) The root is to any plant …………………. (b) Buds (c) Is ginger a root or stem? This document is highly rated by Class 7 students and has been viewed 2517 times. … [NCERT Exemplar] All the petals are together referred to as corolla. They have the ability to float in the water and drift along with its flow, e.g. 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. Yes/No? False, jasmine is grown by layering method of vegetative propagation. One of the benefits of seed dispersal is that it enables the plant to grow into new habitats for wider distribution and provides them with better chance of survival. Name the method. True CBSE Class 7 Science Worksheet - Reproduction In Plants - Practice worksheets for CBSE students. Give one difference between unisexual and bisexual flower. Vallisneria and Hydrilla. Fungus, moss and fern reproduce by a common method of asexual reproduction. (a) Budding Choose the true and false statements from the following: 1. This is an asexual method of reproduction. (b) binary fission (iv) Branch (iv) Branch How do the plants like sugarcane, potato and rose reproduce when they cannot produce seeds? (d) The anther is to stamen The function of calyx is to protect the flower when it is in bud form. In the figure of a flower given below, label the parts whose functions are given below and give their names. Fill in the blanks: (a) Production of new individuals from the vegetative part of parent is called_____. (i) Sepals (d) What values do you observe in Ria? Answer: It consist of two parts, i.e. Mention the mode of reproduction in the following plants (d) only two ovules, Question 9. Banana is a fruit without seeds. (c) the bud is to Bryophyllum leaf. What will you see? (b) Yes, flower aids in both pollination and fertilisation. 10 seconds . Answer: Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7.. The spores are asexual reproductive bodies. (d) Coriander, Question 3. Check the below NCERT MCQ Questions for Class 7 Science Chapter 12 Reproduction in Plants with Answers Pdf free download. The various parts of a flower whose functions are mentioned above are labelled as follows : Question 2. (d) Pollination, Question 6. (c) Unisexual flowers are also called as incomplete flower while bisexual flowers are called hermaphrodite or complete flowers. True Explain the process of reproduction in plants, involving the fusion of cells from male and female parts of a flower. Lila observed that a pond with clear water was covered up with a green algae within a week. What is meant by the term fertilisation? 3. Name this substance. Answer: The scars present on the potato tubers are called …………… . Pollen grains are present inside anthers for long time yet they do not die. (c) Seed dispersed by animal. (d) Maple (c) Name any two plants where this method of reproduction is used. 1. 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 14. Insects are called agents of pollination. Question 7. (c) Rose The ‘eye’ of the potato plant is what (a) the root is to any plant. Answer: (b) large and hairy seeds (d) spore formation, Question 4. (a) Seeds with wings 8. Sometimes dispersal takes place by the explosion or bursting of fruits. anther and filament. Fragrance results from production of volatile chemicals which evaporate. Answer: 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. 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. Asexually by vegetative propagation. (b) Seed dispersed by water. (d) Bread mould shows asexual mode of reproduction. The bulb-like projections formed during reproduction are called buds. Question 16. (e) From where does the spors comes to the bread piece? One morning as Paheli strolled in her garden she noticed many small plants, which were not there a week ago. Question 1. The stalk of stamen is called filament and the swollen top of stamen is called anther. (c) Fragmentation The fusion of both the gametes will result into a fertilised egg cell which is also called as zygote. 6. The small plants which were not there in the garden a weak ago have grown up due to seed dispersal. If the filament of Spirogyra is broken into fragments. Reproduction in Plants Class 7 Exemplar full Explanation: 3) Seeds of drumstick and maple are carried to long distance by wind because they possess . (d) seed, Question 2. Plant produces large number of seeds. ... 11 Questions Show answers. ‘Spores’ as a means of asexual reproduction are used by which plants? (d) (A) Scion (B) Stock, Question 3. Question 3. 4. (a) The given figure shows grafting method (vegetative reproduction). Ria’s mother wanted a flowering plant with fragrance. (c) Pollen Layering is a method of vegetative reproduction in branches. (i) Flower It is the female reproductive part of flower. by 7hquizmaster. (c) long and ridged fruits (c) The bud is to Bryophyllum leaf It consist of three parts, i.e. Describe the structure of a flower. Match the Column I with Column II, Answers (c) What is the other name of unisexual and bisexual flower? Answers: 8. Question 7. Answer: stigma, style and ovary. jasmine. Pollen tube containing male gametes reaches to the ovary of flower. Answer: What is a bud? She stops as she forgets some names and Ravi noticing this comes to help her. Fusion of male and female gametes is called pollination. SURVEY . If you are a student of class 7 who is using NCERT Textbook to study Science, then you must come across chapter 12 Reproduction in Plants. (a) Ovules It receives the pollen grains from the anther during pollination. (b) A flower may have either male or female reproductive parts. (b) (i), (ii) and (iii) Write how the following seeds are dispersed. After fertilisation, the ovary of a flower develops and becomes a fruit with seeds present inside. 1. Answer: Question 18. Thus, the plants which cannot produce seeds, can be propagated vegetatively with the help of vegetative parts such as stem, roots, buds and leaves. Have a glance at the MCQ of Chapter 12 Science Class 7 and cross-check your answers during preparation. 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. Access Answers of NCERT Solutions for Class 7 Science Chapter 12 Reproduction in Plants. Question 19. 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. The process of reproduction is necessary for the perpetuation and preservation of species and to increase the number of members of species. (c) one to many ovules (c) Occurs in lower plants. filament and anther. (a) The part which contains pollen grains. (e) (ii) leaves. (d) Label the part of this plant? (b)-(ix) Name some fruit bearing plants. (b) (i), (ii) and (iii) Unisexual flowers are those which contain either male or female reproductive part and bisexual flower has both reproductive parts (i.e. (iii) Stamen It is the female gamete of flower. ii. Group them under following heads. 1. zygote, fertilisation, embryo, seed, fruit (b) many ovules (b) Yeast – budding Answer: (c) From where the new plants are developing? In this method, a mature branch of parent plant is bent down and covered with soil. Question 8. Question 1. Fertilisation occurs in the ovary of the flower after pollination of male and female parts. Question 8. Explain how this process of layering is performed in jasmine. These ovules contain the female sex cells also called as egg cell. Class 7 Reproduction In Plants CBSE Questions & Answers. The pistil is surrounded by several stamens. (iv) … Class 7 Science Reproduction in Plants Additional Important Questions and Answers. Question 1. Answer: Flowers have nectars that attract insects. SURVEY . A flower consists of different parts. Question 6. Is this a asexual or sexual method? (c)( iv) fruit. (b) Seed of aak or madar has hairy outgrowth which makes it lighter and can be dispersed by wind. 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. Offsprings inherit the characteristics of both the parents. (ii) Seed (c) Seeds with spines/hooks. [HOTS] The method of seed dispersal in the fruits and the parts which help in the seed dispersal: Potato reproduces from seeds. Help the student to name the different parts of a flower. Answer: True Question 13. None of the seed given in the figure is dispersed by water. (d) transfer of pollen from anther to ovule, Answer: (c) transfer of pollen from anther to stigma. She wondered, where they had come from as nobody had planted them there. (a) … (c) Number of some flowers can either have male or female parts on them, these flowers are called unisexual. Answer 3 (a) Question 4. Answer: Plant Reproduction. (b) Flowers help in pollination and fertilisation. (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.