What is the life span of red blood cells?

• A. 110 days
• B. 120 days
• C. 140 days
• D. 170 days

What is the percentage of water in our brain?

• A. 73%
• B. 85%
• C. 95%
• D. 93%

In order to make Nitorgen available for primary producers like plants in ecosystems it is converted to?

• A. Nitrates
• B. Nitrites
• C. Ammonia
• D. Nitric acid

Parthenocarpy is the production of fruit which makes the fruit?

• A. Full of seeeds
• B. Seedless
• C. Bitter
• D. Waterless

The World Day to Combat Desertification and drought is a United Nations is observed on?

• A. 17 june
• B. 17 july
• C. 17 august
• D. 17 may

A normal CD room usually can store up to data?

• A. 650mb
• B. 680mb
• C. 720mb
• D. 820mb

Dengue is caused by which mosquito?

• A. Culex
• B. Marsh
• C. Aedes
• D. Mayaro

Which tube among the following joins kidneys and bladder?

• A. Urethra
• B. Ureter
• C. Infenor vena cava
• D. Supeapublic tuba

Edward Jenner successfully developed world’s first vaccine in?

• A. 1796
• B. 1696
• C. 1896
• D. 1596

The pancreatic juice which aids digestion is secreted into?

• A. Liver
• B. Duodenum
• C. Stomach
• D. Ileum