Search Result

26 Record(s) found!

NEET - Grade 12 - Biology - Human Health and Disease - Introduction and Snapshot of Human Health and Disease - Study ref# 959

Introduction: Health, for a long time, was considered as a state of body and mind where there was a balance of certain ‘humors’. This is what early Greeks like Hippocrates as well as Indian Ayurveda system of medicine asserted. It was ... read more

NEET - Grade 12 - Biology - Human Health and Disease - Introduction and Snapshot of Human Health and Disease - Study ref# 960

Following sections must be covered to understand the Human Health and Disease: 1. Common Diseases in Humans. 2. Immunity 3. AIDS 4. Cancer 5. Drugs and Alcohol Abuse... read more

NEET - Grade 12 - Biology - Human Health and Disease - Target Setup for Human Health and Disease - Study ref# 961

Student requires to achieve the following milestones to get better grip over Human Health and Disease. The milestones / targets are as follows: Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chapte... read more

NEET - Grade 11 - Chemistry - Environmental Chemistry - Study ref# 2240

What are the major causes of water pollution? Explain. Answer: Pollution of water originates from human activities. causes of water pollution are: (i)              &nbs... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10245

Name two diseases whose spread can be controlled by the eradication of Aedes mosquitoes. Answer: Dengue, Chikungunya//Yellow Fever/ Eastern Equine Encephalitis/ West Nile Fever/ Zika / Zika Viral Disease.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10246

Retroviruses have no DNA. However the DNA of the infected host cell does possess the viral DNA. How is it possible? Answer: After infecting the host cell, the viral RNA undergoes reverse transcription in the presence of an enzyme reverse tr... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10247

How do cytokinin barriers provide innate immunity in humans? Answer: Interferon (proteins), secreted by virus infected cells (protect non-infected cells from further viral infection).... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10248

Thymus of a new born child was degenerating right from birth due to a genetic disorder. Predict its two impacts on the health of the child. Answer: Thymus provides micro-environment for the development and maturation of T-lymphocytes, its de... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10249

Why is colostrum a boon to the newborn baby? Answer: Colostrum (Mother’s first milk) contains good amount of antibodies like IgA, which provide passive immunity to the new born and protects it from various infections.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10250

Why is Gambusia introduced into drains and ponds? Answer: Gambusia is a type of fish that preys upon the larvae of mosquitoes. It is therefore introduced into drains and ponds to feed on mosquito larvae / to eliminate the vectors responsible... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10251

How does haemozoin affect the human body when released in blood during malarial infection? Answer: Haemozoin is a toxic substance released by rupturing of RBCs in to blood during malarial infection. It causes chill and high fever, recurring... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10252

Why is secondary immune response more intense than the primary immune response in humans? Answer: Body will have memory B cells of the first encounter / presence of antibodies developed during primary immune response.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10253

When does a human body elicit an anamnestic response? Answer: Anamnestic response is the secondary response which is elicited when our body encounters with the same antigen to which the body has previously encountered.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10254

Why sharing of injection needles between two individuals is not recommended? Answer: Sharing of injection needles is not recommended so as to avoid the transmission of STDs like AIDS and Hepatitis from the diseased person to the healthy pers... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10255

State two different roles of spleen in the human body? Answer: Spleen is the secondary lymphoid organ that stores lymphocytes, it filters blood by trapping blood borne microbes by phagocytes and lymphocytes. It also acts as a large reservoir... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10256

Name the condition in vertebrates where the body attacks self-cells? Answer: Auto immune disorder or auto-immune disease.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10257

Suggest a method to ensure an anamnestic response in humans? Answer: Vaccination or Immunization (Active / passive) or weakened or inactive microbes or pathogens or proteins or antibodies introduced into the host body. ... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10258

Name the stage of Plasmodium that gains entry into the human when bitten by an infected female Anopheles. Answer: Sporozoites... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10259

Trace the route of Sporozoite of Plasmodium when it enters the human body through the bite of infected female Anopheles mosquito till its entry into the R.B.C. Answer: Sporozoites attack liver cells. Sporozoites reproduce asexually in liver ... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10260

How are oncogenic viruses different from protoncogenes? Answer: Oncogenic viruses are cancer causing viruses / external cancer causing factor. Proto-oncogenes: Identified in normal cells which when activated (under certain condition) c... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10261

Name the cells HIV (Human Immunodeficiency virus) gains entry into after infecting the human body. Explain the events that occur in these cells. Answer: HIV (Human Immunodeficiency virus) enters into macrophages after getting in human body.... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10262

Name the type of immunity a baby is born with. How is it different from the one he gets from the mother’s milk after birth? Answer: Innate immunity, Acquired Immunity that a baby acquires from his mother’s milk after birth is an example of ... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10263

Name the cells that act as HIV factory in humans when infected by HIV. Explain events that occur in the infected cell. Answer: Macrophages / Helper T-cells act as HIV factory. The virus enters macrophages or helper T-cells where RNA genom... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10264

Write the scientific names of the causal organisms of elephantiasis and ringworm in humans. Mention the body parts affected by them. Answer: Elephantiasis is caused by Wucherria Bancrofti and Wuchereria malayi. Legs/scrotum/lymphatic vessels... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10265

State the functions of primary and secondary lymphoid organs in humans. Answer: (i) Bone marrow is the main lymphoid organ where all types of blood cells including lymphocytes are formed. (ii) The lymphocytes migrate to secondary lymphoid... read more

NEET - Grade 12 - Biology - Human Health and Disease - Study ref# 10266

A 17-year old boy is suffering from high fever with profuse sweating and chills. Choose the correct option from the following the diseases which explains these symptoms and rule out the rest with adequate reasons. (a) Typhoid (b) Viral Fe... read more

Search

Check your desired chapters availability

Search