HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

Humtilin is used to treat ____________.

Describe diagrammatic representation of age structure showing declining population.

The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45, the total number of nucleotides in the segment is _______________.

__________ is the infectious stage of Plasmodium.

Give reason – ‘Archaeopteryx is called connecting link between reptiles and birds’.

Give the symptoms of typhoid fever and draw a labelled diagram of its causal organism.

With the help of suitable diagrams, explain how the age structures determine the trend of population.

What is the common name of Apis mellifera?

Which growth hormone is used to enhance dairy productivity?

Name of two classes to which Archaeopteryx acts as connecting link.

Define the term natality.

Give the economic importance of lac.

Hot spot method of in situ conservation protects ___________ species in its own habitat.

Name the viral diseases in poultry animals

Explain the technique of multiple ovulation embryo transfer (MOET) in animal breeding.

Describe the structure of a nucleosome.

Name the causative organism and preventive measures for Typhoid

______ is an exotic breed of cow

(A) Gir

(B) Sindhi

(C) Sahiwal

(D) Jersy

State the economic importance of lac culture.

Define apiculture. Name the products obtained from it.