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

What is translocation of food?

Classify the following to form Column B as per the category given m Column A:

Hormones: Estrogen, Glucagon, Epinephrine, Relaxin, Somatostatin, NorAdrenalin

Cushing's syndrome is developed due to ______.

Write Hardy Weinberg's equation.

Complete the given table:

Give the floral adaptations for chiropterophily.

If centromere is situated in the middle of the chromosome, it is called ________.

(a) Metacentric

(b) Acrocentric

(c) Submetacentric

(d) Telocentric

In which type of adaptation, forelimbs are modified into wings?

(a) Aquatic adaptations

(b) Volant adaptations

(c) Arboreal adaptations

(d) Cursorial adaptations

If the number of chromosomes in an endosperm cell is 27, what will be the chromosome number in the definitive nucleus?

1. 9
2. 18
3. 27
4. 36

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

Normal activities of the heart are regulated by ______________.

What is gene pool?

Sketch and label the ventral view of the human heart.

Trichoderma konigi is a source of _______ enzyme.

(A) invertase

(B) lipase

(C) pectinase

(D) cellulase

Define the term ‘genome’.

Sketch and label the structure of chromosome.

Define Endocrine gland

Enlist any 'two' floral adaptations in salvia.

Distinguish between X andY chromosomes. (Mention any 'two' points.) 

Describe the T. S. of thyroid gland