JKBOSE Class 10th Biology PDF Notes
JKBOSE 10th Class Biology Study Material Notes with PDF file. Get handwritten notes for the student of jammu and kashmir who are in class 10th. All chapters notes are given below that you can read online or directly download. Here we are provide only study material notes but if you have any other issue related to examinations or notifination of JKBOSE class 10th, you can go the main site i.e jkbose.nic.in to get their complate imformation.
Download JKBOSE Class 10th Biology PDF Notes
- Unit 1 - Life Processes
- Unit 2 - Control and Co-ordination
- Unit 3 - How Do Organisms Reproduce
- Unit 4 - Heredity and Genetics
- Unit 5 - Our Environment
- Unit 6 - Management of Natural Resources
Learning Objectives of JKBOSE Class 10th Biology Subject
- Identify and explain the concept of life processes.
- Understand the process of autotrophic and heterotrophic nutrition in organisms.
- Describe the ways by which animals receive their nutrition.
- Explain the process of nutrition in humans.
- Understand the process of respiration in organisms.
- Explain the process of transport in plants.
- Understand the process of emission in humans and plants.
- Understand the basic structure and function of the nervous system in animals.
- Explain the process of reflex action and its role in the nervous system.
- Describe the anatomy and function of the human brain and the ways to preserve it.
- Analyze how nerve tissue causes action in the body.
- Understand the coordination mechanisms in plants and their immediate response to stimuli.
- Explain the role of hormones in animals and how they control physical functions.
- Understand the concept of reproduction and its importance in the existence of organisms.
- Learn about the various methods of reproduction used by unicellular organisms, including fission, fission, and regeneration.
- Understand the process of botanical propagation, budding and spore formation.
- Learn about the importance of sexual reproduction and its role in the survival of organisms.
- Understand the process of sexual reproduction in flowering plants and humans.
- Learn about the male and female reproductive systems and their functions.
- Understand the implications of a fertilized egg and the importance of reproductive health.
- Describe how variation accumulates during reproduction.
- Explain the concept of heredity, including inheritance rules of inherited symptoms and symptoms.
- Describe Mendel's contribution to our understanding of heredity.
- Explain how inherited symptoms are expressed and mechanisms of gender determination.
- Compare and contrast acquired and inherited symptoms.
- Explain the process of speculation.
- Describe the methods used for the classification and tracing of evolutionary relationships, including the use of fossils and evolution by stages.
- Understand that development should not equal progress.
- Understand the impact of waste on the environment and its effects on ecosystems, food chains and webs.
- Analyze how human activities affect the environment, particularly the depletion of the ozone layer and the importance of managing waste production.
- Understand the importance of managing natural resources including forests and wildlife, stakeholders, sustainable management, dams, water harvesting, coal and petroleum.
- Get an overview of natural resource management and its role in protecting and preserving the environment.
Important Questions from JKBOSE class 10th Biology
Q.1 What is the process of photosynthesis?
Ans: Photosynthesis is the process by which green plants and some other organisms convert light energy into chemical energy in the form of glucose. This process occurs in the chloroplast of plant cells and involves converting carbon dioxide and water into glucose and oxygen through the action of chlorophyll pigments.
Q.2. What is the role of Enzymes in digestive action?
Ans: Enzymes are essential for the process of digestion because they catalyze the breakdown of large molecules of food into small molecules that can be easily absorbed by the body. Enzymes such as amylase, lipase, and protease break down carbohydrates, fats, and proteins into their small components, respectively, which allow their absorption and use by the body. Without enzymes the process of digestion will be much slower and less efficient.
Q.3 What is the role of hormones in control and coordination in animals?
Ans: Hormones play an important role in the control and coordination of animals by regulating various physiological processes such as growth and development, metabolism, and reproductive functions. They act as chemical messengers that are secreted by the glands and travel through the bloodstream to target cells and organs triggering specific reactions. For example, the hormone regulates blood sugar levels by promoting glucose uptake by insulin cells, While hormone adrenaline increases heart rate and blood pressure during stress or exercise.
Q.4 How does the nervous system coordinate and control the movement of skeletal muscle in animals?
Ans: The nervous system coordinates and controls the movement of skeletal muscle in animals through the use of nerve impulses. Neural impulses are electrical signals that travel along nerve fibers and are generated by the brain and spinal cord. When a nerve impulse reaches a skeletal muscle it causes the muscle to contract resulting in movement. The nervous system also controls the timing and sequence of muscle contraction to coordinate movement. For example the brain sends signals to various muscle groups to coordinate arm and arm movements during writing.
Q.5 How do asexual reproduction occur in organisms?
Ans: Asexual reproduction is a type of reproduction that occurs without the involvement of meiosis or fertilization. In asexual reproduction an organism produces offspring that are genetically identical to themselves. This can happen through processes such as binary fragmentation, budding, fragmentation and vegetative reproduction. In binary fragmentation, the organism is divided into two identical copies. A small outbreak occurs on the original organism when budding which eventually separates and develops into a new organism. In fragmentation the original organism breaks down and each piece develops into a new organism. In botanical reproduction, the original organism produces special structures such as roots, stems, or leaves that can develop into new individuals.
Q.6 How do sexual reproduction occur in organisms?
Ans: Sexual reproduction is a type of reproduction that involves fusion of gametes that are specialized reproductive cells that contain half the number of chromosomes as the parent organism. In animals gametes are called sperm and eggs. The gametes in plants are called pollen and seedand. Genetic material from sperm and eggs during sexual reproduction combine to form a new organism with a unique combination of genetic traits. This process is called fertilization. The new organism also receives half of its genetic information from each parent which leads to greater genetic diversity among offspring. Meiosis is the process of cell division that produces gametes.
Q.7 What is the difference between genes and alleles?
Ans: A gene is a segment of DNA that codes for a specific feature or feature such as eye color or height. An allele is a type of a gene that means it may have different forms of the same trait such as brown eyes or blue eyes.
Q.8 What is the difference between Dominant and Recessive genes?
Ans: Domanent genes are genes that will always express their characteristic when present regardless of the presence of other genes. Recessive genes on the other hand will express their characteristic only when paired with another recursive gene of the same trait. For example, the gene is predominant for brown eyes while the gene for blue eyes is recursive. If a person has a major gene for brown eyes and a recessive gene for blue eyes, their eyes will be brown.
Q.9 What are the causes of air pollution?
Ans: The main causes of air pollution include industrial emissions, vehicle exhaust, burning of fossil fuels, deforestation and agricultural practices.
Q.10 What are the effects of water pollution on aquatic life?
Ans: The effects of water pollution on aquatic life can be severe and may include reduction in oxygen levels, damage to the reproductive system and death. It can also lead to extinction of some species and disintegration of entire ecosystems.