HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

Enlist any four therapies used to treat a cancer patient.

Give any four the symptoms of Ascariasis.

Genes involved in cancer are ______.

Name some drugs which are commonly abused?

How malarial parasite plasmodium is transmitted from person to person?

Which disease is caused by HPV?

Explain three main functions of free antibodies produced by B-lymphocytes.

Alcoholic fermentation is brought about by ______.

Write a short note on ‘Mutational breeding’.

Mating of two closely related individuals within the same breed is called ______.

(a) In-breeding

(b) Out-breeding

(c) Out-crossing

(d) Cross-breeding

Visit of a veterinary doctor to dairy farm is mandatory. Give reasons.

Give the economic importance of ‘fisheries’

Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.

Sketch and label 'tubular tower fermenter'.

With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).

What is 'tissue culture'?

Describe the methodology of tissue culture.

In____________ , superior males of one breed are mated with superior females of another breed.

1. out crossing
2. cross breeding
3. out breeding
4. inbreeding

Give 'two' varieties of silk which are considered  as inferior quality

Trichoderma konigi is a source of _______ enzyme.

(A) invertase

(B) lipase

(C) pectinase

(D) cellulase