List of top Biology Questions

___________ is located between two pleural sacs and is the central compartment of the thoracic cavity.
For the manufacturing process of standard pasteurized milk, lactose is added to whole milk and sugar to:
Which is not a green house gas?
What are the cysts containing sticky gel-like substances in an ovary called?
What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as?
What percentage of children are colour blind if their father is colour blind and the mother is a carrier for Colour blindness?
The most appropriate part for the study of meiosis in plants would be?
Convergent evolution will not take place in:
Which of the following Park is located in Jammu & Kashmir?
When chemical fertilizers are given to plants, the soil is to be thoroughly watered otherwise, the plants get killed because of:
What change in pH should be made to tomato soup to increase its preservation?

Given below is the sequence of steps of transcription in eukaryotic cell. Fill up the blank 1, 2, 3, 4 left in the sequence. 

Which of the following statements regarding the structure of microsporangium are correct? (i) Microsporangium is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tapetum. (ii) Outer three layers perform functions of protection and dehiscence of anthers. (iii) Cells of tapetum undergo meiosis and produce microspore tetrads.
Emphysema is a condition resulting from
Osteoclasts are
Excretory organs of flatworms are
The tapetum
Which of the following technique is used for the separation of DNA fragments ?
Complete the following paragraph by selecting the correct option. Pelvic girdle consists of two coxal bones. Each coxal bone is formed by the fusion of three bones , and . At the point of fusion of the above bones is a cavity called to which the thigh bone articulates. The two halves of the pelvic girdle meet ventrally to form the pubic symphysis containing cartilage.
Which one is a neem product used as insect repellent?
Arrangement of sex chromosomes in Klinefelter's syndrome is
Which one is involved in $Z$-scheme of photosynthesis?
Which one is the correct summary equation of nitrogen fixation ?
Which one of the following alcoholic drinks is produced without distillation ?
Which one is the correct summary equation of photosynthesis?