List of top Biology Questions

Which of the statements given below is not true about formation of Annual Rings in trees?

Which of the following statements is correct ?

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:

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

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

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 ?

RNA binds to mRNA through

Which one is the oldest in following?

Eutrophication is caused due to

Which one of them is odd with respect to human male?

In gluconeogensis, which of the following cannot act as substrate?

Identify the diagram of heteocyst.

Gynaeocomastia is present in which syndrome?

Among the following choose the correct epimers.

Synaptonemal complex is formed

Chl- b differs from chl-a by

Flame cells are present in

Atlas is

Number of chromosomes present in secondary spermatocyte is

Typhoid is caused by