List of top Biology Questions

$- 1^{\circ} C$ to $13^{\circ} C$ annual variations in the intensity and duration of temperature and $50$ to $250\, cm$. annual variation in precipitation, account for the formation of a major biome as:

If one can induce parthenocarpy through the application of growth substances which fruits would you select to induce parthenocarpy and why?

A taxon with reference to classification of living organisms can be defined as

Find out from internet what is golden rice.

Describe briefly the followings:

1. Origin of replication
2. Bioreactors
3. Downstream processing

Draw the diagram of a sarcomere of skeletal muscle showing different regions.

Discuss with your teacher and find out how to distinguish between

1. Plasmid DNA and chromosomal DNA
2. RNA and DNA
3. Exonuclease and Endonuclease

How useful is the study of the nature of body cavity and coelom in the classification of animals?

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a ferm; gemma cell in Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern.

When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm and an angiosperm?

What is the basis of classification of algae?

Organise a discussion in your class on the topic – Are viruses living or non-living?

Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.

Give a comparative account of the classes of Kingdom Fungi under the following:

1. mode of nutrition
2. mode of reproduction

What do the terms phycobiont and mycobiont signify?

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

Describe briefly the four major groups of Protozoa.

How are viroids different from viruses?

What is the nature of cell-walls in diatoms?

Find out what do the terms ‘algal bloom’ and ‘red-tides’ signify.

Sharks are said to be ammonotelic animals Sharks can retain considerable amounts of ammonia in their blood

Why do you think the zygote is dormant for sometime in a fertilized ovule?

Distinguish between: 

1. afferent neurons and efferent neurons 
2. impulse conduction in a myelinated nerve fiber and unmyelinated nerve fiber 
3. cranial nerves and spinal nerves.

Differentiate between: 

1. Myelinated and non-myelinated axons 
2. Dendrites and axons 
3. Thalamus and Hypothalamus 
4. Cerebrum and Cerebellum