LGS Mixed Practice Test #444

Question 1

Recently discovered element source in India crucial for electric vehicles:‌​‍

Accepted Answer

Lithium — Major lithium deposits were discovered in Reasi district of Jammu & Kashmir in 2023.‌​‍

Answer

Graphite

Answer

Cobalt

Answer

Uranium

Question 2

One picometer equals:‌​‍

Accepted Answer

10⁻¹² m — 1 pm = 10⁻¹² m.‌​‍

Answer

10⁻⁶ m

Answer

10⁻¹⁵ m

Answer

10⁻⁹ m

Question 3

Which of the following mechanisms best describes the action of statin drugs in lowering cholesterol levels?

Accepted Answer

B. Inhibiting HMG-CoA reductase enzyme — Statins, such as atorvastatin and simvastatin, are competitive inhibitors of HMG-CoA reductase, the rate-limiting enzyme in cholesterol biosynthesis in the liver. This inhibition leads to a decrease in endogenous cholesterol production, which in turn upregulates LDL receptors on hepatocytes, increasing LDL clearance from the blood. Increasing bile acid excretion is the mechanism of bile acid sequestrants, activating lipoprotein lipase is primarily for fibrates, and blocking cholesterol absorption is for ezetimibe.

Answer

A. Increasing bile acid excretion in the feces

Answer

C. Activating lipoprotein lipase to break down triglycerides

Answer

D. Blocking cholesterol absorption in the intestine

Question 4

K-FON:‌​‍

Accepted Answer

Kerala Fibre Optic Network — Free/cheap broadband to all households.‌​‍

Answer

None

Answer

Kerala Finance

Answer

Kerala Food

Question 5

Which literary form is most effective for developing critical thinking and analytical skills in students while fostering collaborative learning in a classroom setting?

Accepted Answer

A. Debate — Debate is designed to enhance critical thinking by requiring students to analyze arguments, construct counter-arguments, and evaluate evidence. While short stories, poems, and one-act plays have literary merit, they are less interactive and do not inherently promote collaborative critical discussion like a debate does.

Answer

B. Short Story

Answer

C. Poem

Answer

D. One-act Play

Question 6

Highest mountain Australia:‌​‍

Accepted Answer

Kosciuszko — Mt. Kosciuszko.‌​‍

Answer

Townsend

Answer

Bogong

Answer

Ossa

Question 7

India hosts 2028 T20 WC:‌​‍

Accepted Answer

Yes — Scheduled.‌​‍

Answer

No

Answer

Unknown

Answer

Co-host

Question 8

Vitamin B1 deficiency causes:

Accepted Answer

Beriberi — Beriberi — affects nervous system. Vitamin B1 (Thiamine).

Answer

Scurvy

Answer

Pellagra

Answer

Anaemia

Question 9

The fictional detective Sherlock Holmes was created by:

Accepted Answer

Arthur Conan Doyle — Conan Doyle introduced Holmes in 'A Study in Scarlet' (1887).

Answer

Agatha Christie

Answer

Edgar Allan Poe

Answer

P. D. James

Question 10

Inactivated virus vaccine:‌​‍

Accepted Answer

Covaxin — Whole killed virus.‌​‍

Answer

Covishield

Answer

Moderna

Answer

Pfizer

LGS Mixed Practice Test #444