List of practice Questions

Student to attempt either option (A) or (B):
(A) Explain what is meant by the term amniocentesis. How is this technique misused in India? 
OR 
(B) Name any two VDs which might occur in a human female. State any two complications in a female if it is left untreated.

Assertion (A): Mode of action of pills and implants/injectables is similar.
Reason (R): The effective period of pills is much longer as compared to implants/injectables.
Assertion (A): To generate only a part of the plant from a cell is totipotency.
Reason (R): Suitable special nutrient media and sterile conditions are required in in vitro conditions for the division of cells in explants.
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
Large scale industrial production of streptokinase for human welfare is done using the microbe:
Removal of RNA polymerase-III from nucleoplasm of a eukaryotic cell will affect the transcription of which of the following?
In a pea plant (Pisum sativum), green pod colour is dominant over yellow pod colour. The expected ratio of the phenotypes of the offsprings (F$_1$) in a cross between parents with heterozygous green pod colour and homozygous yellow pod will be:
Isolation of DNA from a plant cell can be achieved by using:
Select the following statements that are true for insect pollinated flowers from the given options.
  • Majority of these flowers are large, colourful and rich in nectar.
  • Nectars and seeds are usual floral rewards to attract insects for pollination.
  • Pollen grains of these flowers are generally mucilaginous so as to stick to the body of the insects.
  • A foul odour is emitted by some flowers to attract flies and beetles.
Choose the correct answer:
The approach used in HGP of identifying all the genes that are expressed as RNA is referred to as:
Given below are few statements with reference to the major events in the menstrual cycle of a human female:
  • During the follicular phase, the primary follicles grow to become a Graafian follicle.
  • Gonadotropins FSH and progesterone stimulate follicular development during the follicular phase.
  • LH surge induces rupture of Graafian follicle thereby releasing the corpus luteum.
  • Progesterone released by corpus luteum is essential for maintenance of endometrium.
  • Both LH and progesterone attain a peak level in the middle of the cycle.
Choose the option with all true statements from the given options:

Study the pedigree chart of a family showing the inheritance of myotonic dystrophy:

The trait under study is:

The large bean-shaped organ acting as a filter of the blood in humans is:
In E. coli, a DNA sequence that specifies where RNA polymerase will bind and initiate transcription of a gene is:
A Carnot engine operates between temperatures of $ 600 \, \text{K} $ and $ 300 \, \text{K} $. If it absorbs $ 900 \, \text{J} $ of heat from the source, how much work does it perform?

Proteins control the expression of various characters. Explain this statement by taking an example of "tallness" as a characteristic in plants

As the Banker to the Bank, Reserve Bank of India performs all functions except ___.
Define Nominal Gross Domestic Product. How is it different from Real Gross Domestic Product?
Differentiate between positive externalities and negative externalities.
"In a two-sector economy, National Income is always equal to Domestic income " Defend or refute the given statement with valid reasons.
Briefly explain the dual pricing policy adopted by China.
Differentiate between factor income and transfer income.
Explain the volume and direction of foreign trade during the British rule.
Define Real Gross Domestic Product. How is it different from Nominal Gross Domestic Product?
Value Addition = __ Value of Intermediate Consumption. (Choose the correct option(s) to complete the stated formula.)