LGS Mixed Practice Test #304

Question 1

Lithium salts are primarily used in the treatment of bipolar disorder. Its therapeutic action is believed to be primarily due to its ability to:

Accepted Answer

C. Modulate intracellular signaling pathways, particularly those involving inositol phosphate. — Lithium's mechanism of action is complex but is primarily associated with its ability to modulate intracellular signaling pathways, especially by interfering with the inositol phosphate pathway and affecting G-protein coupled receptors. It does not directly block dopamine receptors or enhance GABAergic transmission as its primary mechanism, nor does it inhibit MAO, which is the target of MAO inhibitors.

Answer

A. Block dopamine receptors directly.

Answer

B. Enhance GABAergic neurotransmission.

Answer

D. Inhibit monoamine oxidase activity.

Question 2

In an adiabatic process:‌​‍

Accepted Answer

Q = 0 — No heat exchange. PV^γ = constant. γ = Cp/Cv.‌​‍

Answer

ΔU = 0

Answer

T = constant

Answer

W = 0

Question 3

Nipah outbreak 2023:

Accepted Answer

Kozhikode — Kozhikode, September 2023.

Answer

Ernakulam

Answer

Thrissur

Answer

TVM

Question 4

Ram Mandir consecration date:‌​‍

Accepted Answer

22 Jan 2024 — 22 January 2024 Pran Pratishtha at Ayodhya.‌​‍

Answer

15 Aug 2023

Answer

25 Jan 2024

Answer

26 Jan 2024

Question 5

Bhavani river:

Accepted Answer

Kerala (Attappady)-TN — Originates in Attappady.

Answer

UP

Answer

MP

Answer

MH

Question 6

In the context of Kerala's traditional coir industry, which of the following government initiatives best exemplifies a strategy to simultaneously enhance environmental sustainability and foster product diversification?

Accepted Answer

C. Establishing advanced common facility centres for the production of coir geotextiles and value-added coir composites. — Option C directly addresses both environmental sustainability and product diversification. Coir geotextiles are biodegradable and used for soil erosion control, making them environmentally sustainable. Coir composites represent diversification into high-value, engineered products. Options A and B primarily focus on supporting raw material producers or traditional processing methods, without a direct emphasis on both sustainability of the final product and diversification. Option D focuses on mechanization of a single process, not necessarily on the end-product's environmental benefits or broad

Answer

A. Implementing minimum support prices for raw coir husk procurement.

Answer

B. Providing substantial subsidies for the manual retting process in coastal areas.

Answer

D. Offering interest-free loans exclusively for the purchase of conventional mechanical defibering machines.

Question 7

Hoffmann bromamide reaction:

Accepted Answer

Amide → amine with one less carbon (Br₂ + NaOH) — RCONH₂ → RNH₂. Degradation for primary amine synthesis.

Answer

Amide to ketone

Answer

Amide to alcohol

Answer

Amide to ester

Question 8

As per the national immunization schedule in India, which vaccine is given to protect against Tuberculosis and is typically administered at birth or as early as possible?

Accepted Answer

A. BCG — BCG (Bacillus Calmette-Guérin) vaccine is administered at birth or as early as possible to protect against Tuberculosis. DPT (Diphtheria, Pertussis, Tetanus) is given in multiple doses starting at 6 weeks. IPV (Inactivated Polio Vaccine) is also given at 6 and 14 weeks. Hepatitis B (HepB) is given at birth (birth dose) but primarily protects against Hepatitis B, not Tuberculosis.

Answer

B. DPT

Answer

C. Polio (IPV)

Answer

D. Hepatitis B (HepB)

Question 9

Parambikulam Tiger Reserve is located in which district?‌​‍

Accepted Answer

Palakkad — Parambikulam Tiger Reserve is in Palakkad district, spread over the Sungam range of hills.‌​‍

Answer

Idukki

Answer

Ernakulam

Answer

Thrissur

Question 10

Which literary form is MOST effective for teaching complex scientific concepts to high school students, given that it combines narrative with factual information?

Accepted Answer

D. Graphic novel — A graphic novel effectively combines visual and textual elements, making abstract or complex scientific concepts more accessible and engaging for students. Short stories and fables are narrative forms that may lack sufficient factual detail, while expository essays, though informative, are less visually engaging for classroom retention.

Answer

A. Short story

Answer

B. Fable

Answer

C. Expository essay

LGS Mixed Practice Test #304