excellup Class 8 Science Stars and Solar SystemExtra QuestionsMultiple Choice QuestionsQuestion 1: Which planet is closest to the sun?Mars Earth Mercury VenusAnswer: (c) MercuryQuestion 2: Which planet is farthest from the sun?Jupiter Saturn Uranus Neptune...
Question 1: What do you mean by good conductors of electricity? Answer:Electric current can easily pass through some materials. Such materials are called good conductors of electricity, e.g. iron, copper, silver, aluminium, gold, etc.
Students should to do some extra reading about science. 相关知识点: 试题来源: 解析 ①. be ②. allowed 【详解】 句意:我们应该允许学生多读一些关于科学的书。主动句含有情态动词,故此处应改为含有情态动词的被动语态should be done,allow的过去分词是allowed。故填be;allowed。反馈...
DNA fragments that are closely linked to the genes that underlie a trait in question. QTLs can be molecularly identified to help map regions of the genome that contain genes involved in specifying a quantitative trait. This can be an early step in identifying and sequencing these genes. ...
chrysogenum In general, the use of alternative (or poorer) carbon sources (that is, other than glucose) requires induction of the catabolic pathway of the growth substrate in question, and induction indeed accounts for a major part of the bGal activity formed by fungi.45 To investigate bGal ...
question on whetherextra-budgetary resources would be allocated to Codex through the new FAO budgetary measures, the Representative of FAO indicated that Codex work had been included in the “impact focus areas” and as such would be eligible to receiveextra-budgetary, non-earmarked funds, to achi...
Question 1: Who thronged the markets of Hampi? Answer:Moors, Chettis and agents of European traders such as the Portuguese. Question 2: What was the technique used for building walls in Hampi? Answer:Wedging the walls together by interlocking. ...
The journal Science is adding an extra round of statistical checks to its peer-review process,editor-in-chief Marcia McNutt announced today.The policy follows similar efforts from other journals,after widespread concern that basic mistakes in data analysis are contributing to the irreproducibility of ...
Question 6: Cell wall is present in which of the following? Bacteria Plasmodium Amoeba Sponge Answer:(a) Bacteria Question 7: Which structure makes the outer boundary of animal cell? Cell wall Cell membrane Nuclear membrane Cytoplasm Answer:(b) Cell membrane ...
excellup Class 8 Science CellExtra QuestionsVery Short Answer Type QuestionsQuestion 1: Cell organelles are present in which part of the cell?Answer: CytoplasmQuestion 2: How will you define a cell?Answer: Cell is the structural unit of a living being....