Question 3: Give some example of autotrophs.Answer: All green plants, such as grass, mango, bougainvillea, etc. are the examples of autotrophs. Some bacteria also show autotrophic nutrition.Question 4: What is heterotrophic mode of nutrition?
Review Question: Question 1: A car covers a distance of 100 km in 5 hour, calculate its speed. Answer:Given, Total distance = 100 km Total time taken = 5 hour We know that, Average Speed = Distance ÷ time = 100 km ÷ 5 hour = 20 km per hour ...
Get the recent updates here of class 7 WBBSE board maths and science syllabus. Previous year question papers, sample materials are also provided.
Social Science –SST NCERT Solutions Sanksrit NCERT Solutions Economics NCERT Solutions Biology NCERT Solutions Why you Need to Read NCERT Books for Board Exams CBSE Topper Answer Sheet Physics NCERT Solutions Chemistry NCERT Solutions CBSE Class 10 Question Papers Last 10 Years ...
Start your exam preparation. Click here to get the JKBOSE previous year maths and science question paper for class 7. Use the materials provided here to score more marks.
50(x + 7) Question 78: Sonu and Raj have to collect different kinds of leaves for science project. They go to a park where Sonu collects 12 leaves and Raj collects x leaves. After some time Sonu loses 3 leaves and Raj collects 2x leaves. Write an algebraic expression to find the ...
- CBSE Class 7 Science Question Papers NCERT Solutions for all the subjects includes the following: - Class 7 NCERT Maths Solutions - Class 7 NCERT Science Solutions - NCERT Solutions for all other subjects which include: Social Science (SST), English, Hindi, Science & Maths (Mathematics) It...
1. 第7题,根据句子“We have interesting lessons _7_ Science, PE and so on.”可知,此处表示“像……一样的课程”,应用介词like,故选A。 2. 第8题,根据句子“We clean our classroom, water our plants and feed our _8_.”可知,此处表示“给……喂食”,结合选项,应该是“给树木浇水”,故选A。
1. **第7题:** 文中空格出现在lessons和Science之间,根据句意“我们有一些有趣的___科学、体育等等课程”,可知此处应该填入表示“像”的介词,备选项中只有as可以表示列举,故选B。 2. **第8题:** 文中空格出现在find our之后,根据句意“我们打扫教室、给植物浇水和喂养我们的___”,结合选项可知此处应该...
A. scientific knowledge B. scientific research C. science education D. scientific discovery 相关知识点: 试题来源: 解析 C。“Science”在这里是“science education”的缩写,意为“科学教育”。选项 A“scientific knowledge”科学知识;选项 B“scientific research”科学研究;选项 D“scientific discovery”科学发...