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

Which of the following is NOT an example of connecting link?

1. Archaeopteryx
2. fchthyostegia
3. Seymouria
4. Biston betularia

Trichoderma konigi is a source of _______ enzyme.

(A) invertase

(B) lipase

(C) pectinase

(D) cellulase

What is criss-cross inheritance?

Describe the roles of pituitary and ovarian hormones during the menstrual cycle in a human female.

Name the function of the following:

Corpus luteum

Lowering of blood pressure is related with the production of ____________.

Name the ‘two’ types of maps generated by H.G.P.

What is VAM?

Define Linkage.

Define the following:

Test cross

Give two examples of microbial pesticides with their hosts.

Draw a neat and well-labeled diagram showing T.S. of the ovary and describe the menstrual cycle in human females. 

Name the instruments used for measuring blood pressure.

Define pulse.

What is blood pressure?

Multiple choice question.

Rupturing of follicles and discharge of ova is known as _______.

Describe the phases of the menstrual cycle and their hormonal control.

What is crossing over?

Very Short Answer Question.

Give one example of complete sex linkage?

How many linkage groups do occur in human being?