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Question 243

Norman E. Borlaug is associated with

AGreen Revolution

BWhite Revolution

CPink Revolution

DBlue Revolution

Show answerA. Green RevolutionNorman E. Borlaug was awarded the Nobel Peace Prize in 1970 in recognition of his contributions to global food production.
Question 239

Fruits of this plant are found underground

APotato

BCarrot

CGroundnut

DOnion

Show answerC. GroundnutExplanation: Groundnut (Arachis hypogaea) is a leguminous plant that exhibits geocarpy — after fertilization a downward-growing peg pushes the fertilized ovary into the soil and the pod (the fruit) matures below ground. Potato, carrot and onion are underground plant parts but are respectively a tuber (stem), root and bulb — not fruits.
Question 238

Iron deficiency in Blood is referred as

AGoitre

BAnaemia

COsteoporosis

DKwashiorko

Show answerB. AnaemiaExplanation: Anaemia is a condition caused by a deficiency of iron in the body, leading to reduced formation of haemoglobin in red blood cells. As a result, the blood’s capacity to carry oxygen decreases, causing fatigue, weakness, dizziness, and pale skin. Iron is essential for haemoglobin synthesis, and deficiency can result from poor diet, blood loss, or malabsorption. Foods rich in iron include green leafy vegetables, liver, red meat, legumes, and jaggery.
Question 237

What is condensation?

AChange of Solid into liquid

BChange of vapour into liquid

CChange of Liquid into Gas

DNone of these

Show answerB. Change of vapour into liquidExplanation not yet available.
Question 236

The heart covered by a membrane called

AMyocardium.

BPericardium

CAorta

DNone of These

Show answerB. PericardiumExplanation: The heart is enclosed in a double-layered protective membrane called the pericardium. The outer fibrous layer protects the heart and anchors it within the chest cavity, while the inner serous layer secretes pericardial fluid that reduces friction during heartbeats. This fluid-filled sac ensures smooth and cushioned movement of the heart as it contracts and relaxes continuously.
Question 235

Sphygmomanometer is an instrument used for measuring

AHeart beat

BVision of eyes

CBlood Sugar

DBlood Pressure

Show answerD. Blood PressureExplanation: A sphygmomanometer is a medical instrument used to measure blood pressure. It consists of an inflatable cuff, a mercury or aneroid gauge, and a bulb for inflation. The cuff is wrapped around the upper arm and inflated to temporarily stop blood flow. As pressure is slowly released, readings are taken for systolic (maximum) and diastolic (minimum) pressure. Normal blood pressure for a healthy adult is about 120/80 mmHg.
Question 234

An electric bulb has a filament made of

ABoron carbide

BTungsten

CTantalum

DRhenium

Show answerB. TungstenExplanation: The filament of an electric bulb is made of tungsten because it has a very high melting point of about 3380°C and good tensile strength. When electric current passes through it, tungsten glows brightly without melting, converting electrical energy into light and heat. It also has low vapour pressure, which prevents quick evaporation of the filament even at high temperatures, ensuring longer bulb life.
Question 233

What is the temperature when density of water is the highest

A5 degree Celsius

B6 degree Celsius

C4 degree Celsius

D3 degree Celsius

Show answerC. 4 degree CelsiusExplanation: Water shows an unusual property known as anomalous expansion. Its density is maximum at 4°C. When cooled from higher temperatures, water contracts till 4°C, becoming denser. Below 4°C, it expands instead of contracting, so its density decreases. This property allows ice to float and prevents water bodies from freezing solid, protecting aquatic life during winters.
Question 211

Oncology is the study of

ABranch of science that deals with eyes

BBranch of science that deals with Brain

CBranch of science that deals with Tumours and Cancers

DBranch of science that deals with Blood Circulation

Show answerC. Branch of science that deals with Tumours and CancersExplanation: Oncology is a branch of medical science that focuses on the study, diagnosis, treatment, and prevention of cancers and tumours. The term is derived from the Greek word “onkos” meaning mass or tumour. A specialist in this field is called an Oncologist. Major Branches of Oncology: Medical Oncology: Treatment using chemotherapy, targeted therapy, and immunotherapy. Surgical Oncology: Removal of tumours through surgery. Radiation Oncology: Treatment of cancer using radiation therapy. Common Cancers Studied in Oncology: Lung cancer, breast cancer, skin cancer, leukemia (blood cancer), and prostate cancer.
Question 210

Insulin is used in the treatment of

ADiabetes

BAnaemia

CNight Blindness

DGoitre

Show answerA. DiabetesExplanation not yet available.
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