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

Give a cross for incomplete dominance using a suitable example.

Give a cross of co-dominance using a suitable example.

What is the role of Gibberellins in rosette plants?

Which one of the following is not a vestigial organ?

What is gibberellins?

The unique feature of hot dilute soup is that there was no free ______ in it.

Fill in the blanks:

A pea plant homozygous for yellow round seed is crossed with its recessive parents. Calculate the phenotypic and genotypic ratio with the help of a checkerboard.

Which day is observed as ‘World Environment Day’?

During .............. typs of interaction, both organisms are benefited

1. mutualism
2. competition
3. commensalism
4. parasitism

Give the role of VAM related to soil fertility.

An orchid plant is growing on the branch of a mango tree. How do you describe this interaction between the orchid and the mango tree?

What is the ecological principle behind the biological control method of managing with pest insects?

Define the following term:

Commensalism

Competition and Mutualism.

Define the Stenothermal organisms.

Give the economic importance of fishery.

Describe various methods of fish preservation.

Association between sea anemone and Hermit crab in gastropod shell is that of. 

Select the statement which explains the best parasitism.