LGS Mixed Practice Test #434

Question 1

Which of the following statements about chiral drugs is FALSE?

Accepted Answer

B. Enantiomers of a chiral drug always have identical pharmacological activity. — Enantiomers of a chiral drug typically have different pharmacological activities, potencies, and pharmacokinetic profiles because biological systems (receptors, enzymes) are chiral and can selectively interact with one enantiomer over the other. The other statements correctly describe aspects of chirality in drugs.

Answer

A. Chiral drugs contain at least one asymmetric carbon atom.

Answer

C. Stereoisomers have the same molecular formula but different spatial arrangements.

Answer

D. The body can often distinguish between enantiomers, leading to different pharmacokinetic profiles.

Question 2

A teacher observes that a student is struggling to solve a complex math problem independently but can successfully solve it with a few guiding questions and hints from the teacher. According to Vygotsky's sociocultural theory, the student is operating within their:

Accepted Answer

C. Zone of Proximal Development — The Zone of Proximal Development (ZPD) is the range of tasks that a child can perform with the help and guidance of a More Knowledgeable Other (MKO) but cannot yet perform independently. The scenario perfectly describes a student learning within their ZPD with the teacher providing scaffolding. The Zone of Actual Development refers to what the learner can do without assistance.

Answer

A. Zone of Actual Development

Answer

B. Zone of Maximum Potential

Answer

D. Zone of Independent Learning

Question 3

'Dominant caste' concept was also by:

Accepted Answer

Srinivas — Dominant caste: numerically preponderant + economically prosperous + politically powerful in a village. Not necessarily upper caste in ritual hierarchy.

Answer

Ambedkar

Answer

Gandhi

Answer

Ghurye

Question 4

Which of the following is a key component of the 'Aardram' Mission launched by the Government of Kerala in 2017 to improve healthcare delivery?

Accepted Answer

C. Upgradation of Family Health Centres to Comprehensive Primary Health Centres (CPHCs) — The Aardram Mission focuses on transforming public health infrastructure, with a major thrust on upgrading Family Health Centres (FHCs) to Comprehensive Primary Health Centres (CPHCs) to enhance primary healthcare services. Option A is incorrect as the mission does not specify a target of 1000 new PHCs; Option B is irrelevant as Aardram does not mandate the integration of Ayurveda in all hospitals; Option D is incorrect as health insurance is not a core component of this mission.

Answer

A. Establishment of 1000 new PHCs in tribal areas

Answer

B. Integration of Ayurveda and Modern Medicine in all government hospitals

Answer

D. Implementation of mandatory health insurance for all BPL families

Question 5

Prophet Muhammad was born in:‌​‍

Accepted Answer

570 CE at Mecca — Muhammad born c. ‌​‍570 CE in Mecca. Migration to Medina (Hijra) 622 CE — Year 1 of Islamic calendar. ‌​‍Died 632 CE.

Answer

610 CE

Answer

632 CE

Answer

622 CE

Question 6

The International Court of Justice (ICJ) is the principal judicial organ of the United Nations. Which of the following cases would the ICJ be most likely to hear?

Accepted Answer

D. A boundary dispute between two states that are parties to the ICJ Statute. — Option D is correct because the ICJ primarily hears disputes between states (as per Article 36 of the ICJ Statute). Option A is unlikely as trade disputes are typically handled by specialized tribunals like the WTO. Option B falls under domestic jurisdiction unless the state has accepted ICJ jurisdiction. Option C is not an ICJ mandate, as extradition is handled through bilateral treaties or international conventions.

Answer

A. A dispute between two countries over the interpretation of a bilateral trade agreement.

Answer

B. A claim by a private citizen against their own government for human rights violations.

Answer

C. A case involving the extradition of a fugitive from one country to another.

Question 7

Which of the following is the primary site for the synthesis of urea in the human body?

Accepted Answer

A. Liver — The liver is the primary site for urea synthesis through the urea cycle, converting toxic ammonia into urea for excretion. The kidneys filter urea but do not synthesize it. The small intestine and pancreas are not involved in urea production.

Answer

B. Kidneys

Answer

C. Small intestine

Answer

D. Pancreas

Question 8

Largest vein:‌​‍

Accepted Answer

Vena cava — Vena cava.‌​‍

Answer

Aorta

Answer

Pulmonary

Answer

Jugular

Question 9

Lanthanoid contraction is:‌​‍

Accepted Answer

Gradual decrease in size from La to Lu due to poor shielding of 4f — Consequence: 4d and 5d elements of same group (e.g., Zr and Hf) have nearly identical radii.‌​‍

Answer

Growth

Answer

Expansion

Answer

No change

Question 10

Kerala's local bodies — Panchayat tiers:

Accepted Answer

3 — 3 tiers: Grama, Block, District Panchayat.

Answer

2

Answer

4

Answer

5

LGS Mixed Practice Test #434