What will you see? (b) Yeast – budding (ii) Seed The cells which result after …………… of the gametes is called …………… . Answer: 3. Branch can be used to grow a new rose plant. Observe the given figure and answer the following questions. Social Science - History . Transportation in Animals and Plants Class 7 MCQs Questions with Answers. After fertilisation, the ovary of a flower develops and becomes a fruit with seeds present inside. The male gametes move down the pollen tube and the tube enters the ovule present inside the ovary. (d) Which type of reproduction does this organism shows? Soil Class 7 MCQs Questions with Answers. (ii) Petals These are the colourful and most attractive part of flower. Answer: The swollen bottom part at the base of pistil is called ovary. (ii) In this case, average speed is generally different from the actual speed. Answer: Lila observed that a pond with clear water was covered up with a green algae within a week. Some flowers have both, the male and female parts on them so they are called bisexual flowers. We have Provided Acids, Bases and Salts Class 7 Science MCQs Questions with Answers to help students understand the concept very well. To score good marks in class 7 science examinations, students should try to solve the If the filament of Spirogyra are broken into fragments, then each fragment will develop into a new plant. Answer: If the filament of Spirogyra is broken into fragments. stem cutting method. (a) Seeds with wings-like seeds of drumstick and maple become light weighted and can be blown away by air. (c) From where the new plants are developing? It receives the pollen grains from the anther during pollination. You can refer to NCERT Solutions for Class 7 Science Chapter 9 Soil to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. The four whorls of the flower are outermost whorl ‘W’ is green part which is called sepal. The whorl ‘Z’ is the innermost part of the flower called pistil. Ravi was sitting in a garden with his family. Social Science - Geography. 1800-212-7858 / 9372462318. Need assistance? The ‘eye’ of the potato plant is what? 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) What is a flower and mention its function during reproduction? Coconut is a large and heavy fruit. Pollen grains are present inside anthers for long time yet they do not die. (c) Seeds of Xanthium, Urena have spines and hooks on them, these hooks or spines are attached to the fur of the animal body. (b) Yes, flower aids in both pollination and fertilisation. True 5. fragments Sexual reproduction [fertilisation) in plants The different steps that take place during sexual reproduction in plants are, Question 4. Students can get Class 7 Social Science NCERT Solutions, CBSE Class 7 Social Science Important Extra Questions and Answers designed by subject expert … Answer: The top part of pistil is called stigma. (b) Small and light seeds. 10. Flowers usually have a number of stamens in it. Answer: Here is the list of Extra Questions for Class 7 Science with Answers based on latest NCERT syllabus prescribed by CBSE. 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. (c) The female reproductive part, where pollen grains germinate. (c) Mango and rose are two plants cultivated using vegetative propagation. Name the method. Ritesh was riding a bicycle on the road, he said that the wheels of the bicycle are moving along a straight line. Seed dispersal avoids overcrowding of young plants around their parent plants. Education Franchise × Contact Us. Ria went to a plant nursery with her mother. Insects are called agents of pollination. Motion and Time Class 7 Extra Questions Value Based (VBQs) Question 1. Answer: The sexual reproduction takes place by the fusion of male and female gametes by the process called fertilisation to form zygote. Which one of the following is not a breed of sheep? Gardner showed them a plant and told them that this variety has been prepared by a method of vegetative propagation of stems. Points To Remember; Very Short Q&A ; Short Q&A ; Long Q&A ; Chapter 3: Fibre to Fabric. Pistil is also called as carpel. Answer: (b) Cutting and grafting method are two methods where stem is used for vegetative propagation. Give reason. Which of them can be used to grow a new rose plant? (b) Which of these plants have bisexual flower? [HOTS] (a) (i) and (iii), Question 7. (i) If the speed of an object moving along a straight line keeps changing, then this type of motion is called non-uniform motion. Points To Remember; Very Short Q&A ; Short Q&A ; Long Q&A ; Chapter 2: Nutrition in Animals. Answer: Free PDF download of Important Questions with solutions for CBSE Class 10 Science Chapter 1 - Chemical Reactions and Equations prepared by expert Science teachers from latest edition of CBSE(NCERT) books. (iii) Stamen It is a male reproductive organ of plant. False, pistil is the female reproductive part of a flower. (a) budding It is the female gamete of flower. Answer: (c) Money plants (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. The middle part of the pistil is tube-like structure called style which connects stigma to the ovary. The anther contains male gametes called pollen grain. (a) Budding What is seed dispersal? (a) winged seeds 8. 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Answer: Class 6 Science MCQ Questions are available for free download. His sister askes many questions related to flowers and Ravi answers her with all information he has. The various parts of a flower whose functions are mentioned above are labelled as follows : Question 2. Question 7. The following advantages of vegetative reproduction makes it a preferred method. Chapter 2: Nutrition in Animals. [NCERT Exemplar] Question 11. 7. Question 7. Answer: 1.The male and female gametes fuse to form a …………… during the process of …………… This grows into an …………… which is enclosed within a seed. Question 9. 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. (a) The given figure shows grafting method (vegetative reproduction). The bulb-like projections formed during reproduction are called buds. This solution contains questions, answers, images, explanations of the complete chapter 7 titled Weather, Climate and Adaptations of Animals to Climate Science taught in class 7. Register online for Science tuition on … Your email address will not be published. (c) cutting Answer: Extra questions for Class 7 Science will build strong foundation for Class 7 science and higher clases. (c) Is this a sexual or asexual mode of reproduction? Fruits are developed from the ripened ovary. These ovules contain the female sex cells also called as egg cell. How do the plants like sugarcane, potato and rose reproduce when they cannot produce seeds? Answer: Name of fruits bearing plants Agents through which seeds are dispersd Parts or seeds which helps in dispersal. Write how the following seeds are dispersed. On the bread piece Vedantu.com to score more marks in CBSE board examinations it! As Paheli strolled in her garden she noticed many small plants, involving the of... 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