Top 50 General Science GK Questions

Correct Answer : A
Explanation :

Symptoms of vitamin B12 deficiency or folate deficiency anemia develop slowly and are similar to those of other types of anemia, such as fatigue, weakness, and pale skin. Vitamin B12 deficiency can also cause nerve damage, the main symptoms of which include tingling, loss of touch, and muscle weakness. Confusion can arise when Vitamin B12 becomes too low. Vitamin B12 deficiency anemia in the elderly can be mistaken for dementia. This happens because of similar symptoms.

Correct Answer : D
Explanation :

1. Anemia in humans is caused by a deficiency of Vitamin B12.

2. Vitamin B12 is a water-soluble vitamin

3. Which is necessary for the formation of red blood cells?

4. The most common cause of anaemia is low iron levels in the body. This type of anaemia is called iron deficiency anaemia.

Correct Answer : D
Explanation :

Symptoms of vitamin B12 deficiency or folate deficiency anemia develop slowly and are similar to those of other types of anemia, such as fatigue, weakness, and pale skin. Vitamin B12 deficiency can also cause nerve damage, the main symptoms of which include tingling, loss of touch, and muscle weakness. Confusion can arise when Vitamin B12 becomes too low. Vitamin B12 deficiency anemia in the elderly can be mistaken for dementia. This happens because of similar symptoms.

Correct Answer : C
Explanation :

Operation Flood is the program behind "the white revolution." It created a national milk grid linking producers throughout India with consumers in over 700 towns and cities, reducing seasonal and regional price variations while ensuring that the producer gets a major share of the price consumers pay, by cutting out ...

Correct Answer : A
Explanation :

The stapes or stirrup is a bone in the middle ear of humans and other animals which is involved in the conduction of sound vibrations to the inner ear. This bone is connected to the oval window by its annular ligament, which allows the footplate to transmit sound energy through the oval window into the inner ear.

Correct Answer : D
Explanation :
Norman Ernest Borlaug (born March 25, 1914, near Saude, Iowa, U.S.—died September 12, 2009, Dallas, Texas) American agricultural scientist, plant pathologist, and winner of the Nobel Prize for Peace in 1970.

Correct Answer : C
Explanation :

An atrial natriuretic peptide (ANP) is the hormone that is secreted by the human heart. Brain natriuretic peptide is another hormone produced by the heart which is also called a ventricular natriuretic peptide. This is secreted by the human heart when there an increase in ventricular blood volume.

Correct Answer : D
Explanation :

Wisdom teeth are the last adult teeth to come into the mouth (erupt). Most people have four wisdom teeth at the back of the mouth — two on the top, two on the bottom.

Correct Answer : A
Explanation :
Thus, a bat is not a bird but can fly.

Correct Answer : B
Explanation :
Scientists have discovered that the animal with the most genes--about 31,000--is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about 23,000 genes.