HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Describe different steps involved in tissue culture technique

Attempt any TWO of the following:

Enlist the applications of tissue culture.

Describe any ‘two’ applications of tissue culture technique.

A collection of neuron cell bodies located outside the CNS is called _________.

Observe the graph and select the correct option:

Short answer type question

Tropical regions exhibit species richness as compared to polar regions. Justify.

Choose the correct alternative.

_______ wave in ECG represent atrial depolarization.

Very short answer question.

Why does trachea have ‘C’ shaped rings of cartilage?

Very short answer question.

Name the organ which prevents the following the entry of food into the trachea while eating.

Planaria shows ______ type of nervous system.

Alveoli provide the surface area for exchange of ______.

Name the cartilage which divides the nasal cavity into right and left nasal chambers.

Give the function of epiglottis.

Lesser variation in biomass production over a period of time is called ______.

Describe the term Niche.

The pH of nutrient medium for plant tissue culture is in the range of ______.

Rivet Popper Hypothesis is an analogy to explain the significance of ______.

Write a short note on callus culture.

Write a short note on suspension culture.

Give importance of coconut milk in tissue culture.