What phase does chromosomes become visible?
prophase
Why do sister chromatids line up in the center of the cell?
The sister chromatids line up at the equator, or center, of the cell. The spindle fibers ensure that sister chromatids will separate and go to different daughter cells when the cell divides.
What is it called when chromosomes will split into daughter cells randomly?
A cell with two pairs of each set of chromosomes is called a [ diploid / haploid ] cell. These cells are typically found throughout the body tissues and are called [ germ / somatic ] cells. During meiosis, chromosomes will split into daughter cells randomly, making each gamete unique.
How many diploid cells do humans have?
46 chromosomes
What are the 3 additional haploid cells called that will not be fertilized?
Answer: During the creation of oocyte, 3 additional haploid cells are created that will not be fertilized these cells are called Polar bodies.
What cell is formed after meiosis 1?
gametes
What are the 10 tissue types?
- Skeletal Muscle Tissue.
- Skeletal Muscle Tissue.
- Smooth Muscle Tissue.
- Smooth Muscle Tissue.
- Cardiac Muscle Tissue.
- Cardiac Muscle Tissue.
What are the 7 types of tissue?
7 Types of Connective Tissue
- Cartilage. Cartilage is a type of supporting connective tissue.
- Bone. Bone is another type of supporting connective tissue.
- Adipose. Adipose is another type of supporting connective tissue that provides cushions and stores excess energy and fat.
- Blood.
- Hemapoetic/Lymphatic.
- Elastic.
- Fibrous.
What is tissue answer in one word?
Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. Groups of tissues make up organs in the body such as the brain and heart.
What is Excellup?
Excellup is an e-learning website. You will get study materials for science, mathematics, social science, etc. Moreover, you will also get study materials for various science and humanities subjects for classes eleventh and twelfth. The study materials are based on CBSE syllabus and NCERT textbooks.
What are the types of resources class 10?
Classification of Resources: (a) On the basis of origin: Biotic and Abiotic. (b) On the basis of exhaustibility: Renewable and Non-renewable. (c) On the basis of ownership: Individual (Personal), Community, National and International. (d) On the basis of status and development: Potential, Developed, Reserve and Stock.
What is Democracy Why Democracy Class 9 notes Excellup?
Democratic government is more accountable to people and hence is a better form of government, compared to other forms of government. Since a large number of people are consulted in the decision making process, so democracy enhances the quality of decision making.
How many chapters are there in class 9th history?
5 chapters
Which chapters are deleted from class 9 science?
Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India. Air, water and soil pollution (brief introduction). Holes in ozone layer and the probable damages. Bio-geo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.
Which chapters are deleted from SST class 9?
Chapters deleted from Class 9 NCERT textbook, India and the Contemporary World – I are:
- Peasants and Farmers from Section II: Livelihoods, Economics and Societies.
- History and Sport: The Story of Cricket from Section III: Everyday Life, Culture and Politics.
How many Ch is a SST class 9?
Social Science Class 9 Syllabus
| S. No. | Units | Marks |
|---|---|---|
| II | Contemporary India – I | 20 |
| III | Democratic Politics – I | 20 |
| IV | Economics | 20 |
| Total | 80 |
What is poverty line class 9?
Answer: A person is considered poor if his or her income or consumption level falls below a given “minimum level” necessary to fulfil the basic needs. This minimum level is called the poverty line.