List of top Biology Questions asked in OJEE

On the basis of rRNA genes bacteria are divided into

Bacteria protect themselves from viruses by fragmenting viral DNA upon entry with

Guard cells control

A codon consists of 3 bases and there are 4 different kinds of bases in a nucleic acid altogether. How many codons will be there?

Agar agar is produced by

Phylogenetic system of angiospermic classification was proposed by

Floridean starch is found in

Non-cellular layer that connects inner surface of the epithelial tissue to the connective tissue is

Which of the following is a protein hormone ?

Which structure is not characteristic of mushrooms ?

Two strands of double helix model of DNA are held together by H-bonds between

The tunica corpus theory was proposed by :

The process of reverse transcription was discovered by

Sponges are most commonly

New approach to conservation is establishment of

LH surge occurs during which phase of the menstrual cycle ?

Kwashiorkor disease is due to deficiency of

In meiosis, synapsis occurs during

In 1831, Robert Brown described

Heterosis is referred to as the phenomenon of attainment of

Haemocoel is found in

Fossils are generally found in

Enzyme pepsin acts in a

Duck-billed Platypus is a connecting link between

Diatomaceous earth is obtained from