List of top Biology Questions

Which of the following animals is protected in Kaziranga Sanctuary in Assam

Which of the following is the most resistant material in pollen grain?

If the pollen tube enters the ovule through funiculus, the phenomenon is known as

Ambulacral system is mainly useful for:

In gametophyte of fem:

$2n- 1$ condition is called:

Turpentine oil is obtained from:

Blue-green algae is found in:

In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids ?

Fluoride pollutions mainly affects:

Which one of the following is wrong in relation to photorespiration ?

Given below are four matchings of an animal and its kind of respiratory organ:

1. Silver fish – trachea
2. Scorpion – book lung
3. Sea squirt – pharyngeal gills
4. Dolphin – skin

The correct matchings are:
 

Maximum application of animal cell culture technology today is in the production of

Which one of the following traits of garden pea studied by Mendel was a recessive feature:

Which group of vertebrates comprises the highest number of endangered species:

The genes controlling the seven pea characters studied by Mendel are now known to be located on how many different chromosomes:

Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease:

When a cluster of genes show linkage behaviour they:

In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is used:

Mycorrhiza is an example of:

Which one of the following statements about viruses is correct:

Tobacco mosaic virus is a tubular filament of size:

Stomata of a plant open due to

Which one of the following mineral elements plays an important role in biological nitrogen fixation

The aleurone layer in maize grain is specially rich in