List of top Biology Questions asked in NEET (UG)

In pteridophytes, main plant body is a , which is into true roots, stem and leaves. Fill the blanks in above statement and select the correct option.

How does steroid hormone influence the cellular activities?

A selectable marker is used to:

Crossing over takes place between which chromatids and in which stage of the cell cycle ?

The two antibiotic resistance genes on vector pBR322 are for

Use of an artificial kidney during hemodialysis may result in : (a) Nitrogenous waste build-up in the body (b) Non-elimination of excess potassium ions (c) Reduced absorption of calcium ions from gastro-intestinal tract (d) Reduced RBC production Which of the following options is the most appropriate?

Among the following, the narrow spectrum antibiotic is:

What is the fate of the male gametes discharged in the synergid?

Cells in \(G_0\) phase:

Pinus seed cannot germinate and establish without fungal association. This is because

Select the correct group of biocontrol agents.

Which of the following statements is incorrect?

Which of the following pair of organelles does not contain DNA?

Select the correct sequence for transport of sperm cells in male reproductive system.

Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?

Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?

Concanavalin A is:(1) an alkaloid (2) an essential oil (3) a lectin (4) a pigment

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

The correct sequence of phases of cell cycle is:

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:

Respiratory Quotient (RQ) value of tripalmitinis:

Consider following features:
(a) Organ system level of organisation
(b) Bilateral symmetry 
(c) True coelomates with segmentation of body 
Select the correct option of animal groups which possess all the above characteristics.

What is the direction of movement of sugars in phloem?

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth: