Biology
1-An ecosystem has two components namely Biotic and Abiotic
2-Antobodies that participate in the defense mechanisms of our body are Hormones
3-Aquatic plants with floating leaves have stomata only on upper surface
4-An antibiotic used for treating tuberculosis is Streptomycin
5-Algae often float on surface of water during the day but sink down during the night due to evolution and trapping of oxygen bubbles during the day in their photosynthesis
6-A simple sequence in which the grass grows, a cow eats the grass, a human eats the cow, or drinks its milk, is an example of a Food chain
7-ellow sport occur in Eye
8-Loss of memory is caused by the destruction of Cerebrum
9-Lowest rate of photosynthesis takes place in Green light
10-Spirullina is a terrestrial algae
11-A herbarium is a centre for the preservation of dried specimens of plants
12-The contractile proteins in a muscle are Actin and Myosin
13-From the bark of Cinchona plant is quinine extracted
14-‘Palak leaves’ are rich in Iron
15-Hypertension is the term used for increase in blood pressure.
16-‘Biosphere Reserve Project’ is aimed at protecting Flora and Fauna
17-Development of fruit without fertilization is Parthenocarpy
18-Cell wall of chloroplast is removed, the remaining is called Protoplast
19-Carbon dioxide is called a “GREEN HOUSE” gas because it absorbs infra-red radiation
20-Bronchitis is a disease of Respiratory tract organ.