List of top Biology Questions asked in NEET (UG)

Select the correct sequence of events :

Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage ?

The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by :

Purines found both in DNA and RNA are ;

Xylem translocates:

Following table summarises the differences between a monocot root and a dicot root. Identify the incorrect differences and select the correct option.

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout, the year to increase yield ?

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ?

Bicarpellary ovary with obliquely placed septum is seen in :-

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

The given figure shows transport of two molecules $A$ and $B$ through three different modes of facilitated diffusion. Select the correct option regarding it.

Respiratory Quotient (RQ) value of tripalmitin is -

In the dicot root the vascular cambium originates from :-

Following table summarises the comparisons between phyllodades and cladodes (cladophylls). Pick up the wrong differences and select the correct option,

What type of pollination takes place in Vallisneria?

Which of the following ecological pyramids is generally inverted ?

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:

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?

The two antibiotic resistance genes on vector pBR322 are for

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

Among the following, the narrow spectrum antibiotic is:

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