A. Hydrogen
B. Blood
C. Oxygen
D. Protein
Submitted by: Mansoor Ahmed Suhag
Correct Answer: Oxygen ✔
Last Updated: July 08, 2021
Related MCQs
- “Plague” is a disease, spread by?
- Kidney disease happens due to overdose of?
- Atmospheric pressure at sea level is _______?
- A colour blind person cannot distinguish between _________?
- Study of joints called:
- The gas heater gives us heat by __________?
- Who discovered the law of attraction and repulsion in electric charges?
- For burning, which agent is necessary?
- Which element is called earth maker?
- Earth revolves around the sun from?
- Retinol is the chemical name of?
- Virus was discovered by?
- Dielectric constant of water is?
- Mass spectrograph was Invented by?
- Which blood cells are called ‘Soldiers’ of the body ?
- Cooking gas is mixture of which two gases?
- Substance used in match sticks ?
- With the rise in temperature, metals conductivity__________?
- Speed of sound in water at 20 °C is__________?
- In thrombocytopenia condition, bone marrow makes?
- In Essential thrombocythemia (ET) condition, bone marrow makes?
- A normal platelets count range ?
- Which group of compounds constitute carbohydrates?
- Which of the following planets rotate from east to west on its exis?
- Characteristic odour of garlic is due to?
- Which has highest fuel value?
- Which Harmone contain iodine?
- Ozone layer thickness is measured in__________?
- Gland responsible for heightened emotions is?
- If the green leaves are placed under red light, their color will become________?
- Max plank is famous for his discovery of?
- Unit of surface tension in cgs system is?
- Homologous means?
- Unit of specific gravity is?
- Which of the following is a transition element?
- Melting Point of Tungsten is?
- Sea water (Salt water) freezes at ?
- Which of the following is cold current ?
- Who gave the idea of law of inertia?
- The term ‘Geography’ was coined first time by a Greek scholar _________ in 234BC?
- There are ______ themes in geography.
- The earth surface & crust constantly evolving due to ?
- Calcaneus bone in which part of human body?
- Which type of climates of world has dry summer & wet winter ?
- Tarsal bone is in the?
- Sedimentary rocks are formed by natural process known as ?
- Which of the following is a positively charged particle emitted by a radioactive element?
- BRT stand for ?
- Atmospheric pressure decrease rapidly with altitude because the air becomes_______ ?
- Skin has __________ layers?
- The red blood cells originate in the __________?