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Insulin is a hormone produced by the beta cells of the pancreas, an organ located behind the stomach. It plays a crucial role in regulating
Bronchitis is a condition characterized by inflammation of the bronchial tubes, which are the airways that carry air to and from the lungs. It can
The lungs are complex organs responsible for the exchange of oxygen and carbon dioxide between the air we breathe and the bloodstream. They are composed
Blood clotting, also known as coagulation, is a complex physiological process that helps stop bleeding and repair damaged blood vessels. It involves a series of
Blood clotting, also known as coagulation, is a complex physiological process that helps stop bleeding and repair damaged blood vessels. It involves a series of
Blood is a complex fluid tissue that is composed of several different components, each with its own unique functions. The main components of blood include:
Coronary circulation refers to blood circulation within the heart’s blood vessels, specifically the coronary arteries and veins. These blood vessels supply oxygenated blood to the
Bone is a specialized connective tissue that provides structural support, protection, and mobility to the body. It is primarily composed of two main substances: organic
Eye pigment, which determines the color of the eyes, is primarily determined by the amount and distribution of melanin, a pigment produced by specialized cells
DNA, or deoxyribonucleic acid, is a molecule that contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and
The theory of evolution is a fundamental concept in biology that explains the diversity of life on Earth and how organisms have changed over time.
A brain glossary consists of terms related to the anatomy, physiology, and functions of the brain. Here are some common terms found in a brain
A stroke occurs when a blood vessel in the brain ruptures and bleeds, or when there’s a blockage in the blood supply to the brain.
Q. Mammary gland is found in (a) Aves (b) Mammalia (c) Amphibian (d) Reptile Correct Answer: (b) Mammalia Q. Which one of the following Mammalia
What is Convergent Evolution? Convergent evolution is the process by which two species develop similar features despite not sharing a recent common ancestor. Evolutionary biologists
What is Divergent Evolution? Divergent evolution occurs when a population of animals or plants is split into two groups by a geographic barrier (for instance,
What is the Autonomic Nervous System? The autonomic nervous system is a segment of the peripheral nervous system that controls unconscious actions. The autonomic nervous
Bioplastic products are plastic materials made from renewable biomass energy sources, such as corn and sugarcane. Bioplastics can also be biodegradable, meaning microorganisms can completely break them
There are many insects, plants, grass fungus which are harmful to farms and forests. So, they are considered unwanted insects, unwanted plants, etc. For preventing
We have often heard how plants are different from animals, how animals are different from humans, how plants are different from humans, and so on.
There are many species on planet earth that either live on plants or one another. We have often seen certain small animals living on the
The human body is complicated and depends on an excessive number of biological processes for it to work properly. Numerous chemicals support the biological or
Hormones play an important role in the functioning of various organs and organ systems of the body. They regulate activities of cells and organs and
We might have studied a lot of things regarding the human system in our science classes. We have studied a lot about the respiratory system,
There are a variety of organisms present on this earth. Plants, humans, and animals have their way of living. Some feed on the surroundings, some
Plants are the significant parts of nature on earth. They help us in providing oxygen and taking in carbon dioxide. This is the basic advantage
We have studied many terms in biology that has helps us in understanding various systems of our body. The reproductive system, immune system, nervous system,
A cell is the basic building block of life. It is the structural and functional unit of life. All living organisms like bacteria, animals or
Autotrophs The organisms which can use materials from inorganic sources to produce their own food are known as Autotrophs. The word “Autotrophs” is a combination of
Deep inside you, on your surface, and all parts in between, fundamental functional units called cells are busy 24/7 keeping your body in a living
Circulatory System The circulatory system is the body’s transport system. It is made up of a group of organs that transport blood throughout the body.
Unlike animals, most plants do not need to find food, because they can make it for themselves. Plants use energy from sunlight to turn water
The study of the chemical processes of all living things is called biochemistry. These processes include respiration (breathing) and the digestion of food. Carbon atoms
Any living thing that is invisible to the naked eye and can be seen only under a microscope is called a microorganism. They include BACTERIA, protists,
Cloned bull named Got 1938 Cloning envisioned. Dr. Hans Spemann (Germany) proposed an experiment to remove the nucleus from an unfertilized egg and replace
Genetics is the study of how living things pass their features from one generation to the next. Your sex and your chances of developing certain
The use of microbes (micro-organisms) to produce and process materials is called biotechnology. Bacteria and yeasts are used to produce products, such as yogurt, cheese,
The tiniest living unit that exists is a cell. Cells are the building blocks of all organisms. Each cell has a nucleus containing a set
WHAT IS THE EVIDENCE FOR EVOLUTION? Evolutionary clues are found in fossils, the ancient remains of organisms. Creatures alive today share some characteristics with
Every living creature on Earth belongs to a kingdom. Scientists debate how many kingdoms there are, but most agree there are six. Here is how
The body is supported and its internal parts protected by a strong yet flexible framework of BONES called the skeleton. These bones meet at JOINTS, most of which
Rafflesia is the largest flower in the world, weighing around 7 kg, and it can grow more than a meter across! This flower releases chemicals,
(1)एक विशेष कार्य करने वाले समान कोशिकाओं के समूह को क्या कहते हैं? (a)ऊतक (b)अंग (c)अंग तंत्र (d)कोशिकीय संरचना Ans-a (2)‘तंत्रिका ऊतक'(Nervous Tissue) की
(1)मनुष्य में पाचन क्रिया कहां प्रारंभ होती है? (a)मलाशय (b)अमाशय (c)मुख (d)पक्वाशय Ans-c (2)मानव की पाचन नली लगभग कितने फीट लंबी होती है? (a)16
Which of the following are the blood granules that help in resisting diseases? (a) white cells (b) a nucleus blood cells (c) Neutrophils (indifferent ragi)
(1)शरीर का वह कौन सा अंग है जो कभी भी विश्राम नहीं लेता- (a)मांसपेशियां (b)तंत्रिकाएं (c)जीभ (d)ह्रदय Ans-d (2)हृदय और उसकी बीमारियों के अध्ययन
(1)गुर्दे (वृक्क/किडनी) की निस्यंदन इकाई कौन-सी होती है? (a)एक्सॉन (b)नेफ्रॉन (c)न्यूरॉन (d)पीत फाइबर Ans-b (2)‘गुर्दे’ (किडनी) का कार्यात्मक यूनिट क्या है? (a)एक्सॉन (b)नेफ्रॉन (c)न्यूरॉन (d)धमनी
(1)निम्नलिखित में से कौन-सी मानव शरीर की सबसे बड़ी कोशिकाएं हैं? (a)अग्नाशय कोशिकाएं (b)उपकला कोशिकाएं (c)तंत्रिका कोशिकाएं (d)अधिचर्मिक कोशिकाएं Ans-c (2)न्यूरॉन क्या होता है? (a)ऊर्जा
(1)मानव शरीर में कुल कितनी अस्थियां होती है? (a)187 (b)287 (c)206 (d)306 Ans-c (2)कंकाल की मांसपेशियों की अनुमानित संख्या बताइए? (a)206 (b)200 (c)500 (d)700 Ans-d
(1)मानव शरीर में सबसे बड़ी ग्रंथि कौन-सी है? (a)लीवर (b)थायराइड (c)पीयूष (d)लार ग्रंथि Ans-a (2)मानव शरीर की सबसे बड़ी मिश्रित ग्रंथि है- (a)थाइमस (b)यकृत (c)अग्न्याशय
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