Plus 2 Lecturer Mixed Practice Test #675

Question 1

Gravitational potential energy near Earth's surface is:

Accepted Answer

mgh — PE = mgh where h is height above reference.

Answer

½ mv²

Answer

mv

Answer

m/g

Question 2

A pregnant woman in her second trimester asks about essential nutrients for her baby's development. Which nutrient is crucial for preventing neural tube defects and should be emphasized during antenatal counseling, especially in the periconceptional period?

Accepted Answer

C. Folic Acid; for proper neural tube closure and preventing birth defects. — Folic acid (Vitamin B9) is critically important for preventing neural tube defects (NTDs) such as spina bifida and anencephaly. Supplementation is recommended starting at least one month before conception and continuing through the first trimester, as neural tube closure occurs very early in pregnancy.

Answer

A. Iron; for preventing maternal anemia and promoting fetal growth.

Answer

B. Calcium; for strong bones and teeth development.

Answer

D. Vitamin D; for calcium absorption and bone health.

Question 3

A patient diagnosed with a terminal illness, despite receiving clear medical information about their prognosis, continuously talks about planning a world tour for next year and refuses to discuss end-of-life care options. Which defense mechanism is this patient primarily exhibiting?

Accepted Answer

C. Denial — Denial is a defense mechanism where an individual refuses to accept reality or a fact, acting as if a painful event, thought, or feeling did not exist. In this scenario, the patient is actively ignoring their terminal diagnosis and planning for a distant future, characteristic of denial. Regression involves reverting to an earlier developmental stage, rationalization involves creating false but plausible excuses for unacceptable behavior, and projection involves attributing one's own unacceptable thoughts or feelings to another person.

Answer

A. Regression

Answer

B. Rationalization

Answer

D. Projection

Question 4

A nuclear family consists of:‌​‍

Accepted Answer

Parents + unmarried children — Trend in urban India. Reasons: migration, housing cost, women's work. Traditional joint family still in rural areas.

Answer

Joint

Answer

Only parents

Answer

Only children

Question 5

Regular exercise and controlled diet are conducive ___ good health.

Accepted Answer

to — 'Conducive to' is the fixed preposition.

Answer

for

Answer

with

Answer

in

Question 6

Vaikunda Swami (Ayya Vaikundar), a pioneer social reformer of south Travancore, belonged to which community?

Accepted Answer

Nadar (Channar) — Vaikunda Swami (1809–1851) was a 19th-century Nadar reformer who opposed caste oppression in south Travancore.

Answer

Ezhava

Answer

Nair

Answer

Brahmin

Question 7

The 'No Detention Policy' under the RTE Act, 2009, as implemented in Kerala, applies to students up to which class before they face any form of academic assessment or grade retention?

Accepted Answer

B. Class 8 — Kerala follows the 'No Detention Policy' up to Class 8, meaning students cannot be held back or failed until they complete Class 8 under the RTE Act. This policy aims to reduce stress and dropout rates. After Class 8, schools may conduct assessments, and students may face grade retention if necessary. Options Class 5 and Class 3 are incorrect as they are below the RTE mandate, while Class 10 is beyond the policy's scope.

Answer

A. Class 5

Answer

C. Class 10

Answer

D. Class 3

Question 8

Kerala state symbol — tree:‌​‍

Accepted Answer

Coconut — Coconut palm.‌​‍

Answer

Mahogany

Answer

Jackfruit

Answer

Teak

Question 9

Fluoroquinolone antibiotics, such as ciprofloxacin, exert their bactericidal effect primarily by inhibiting which bacterial enzyme?

Accepted Answer

C. DNA gyrase (topoisomerase II) and topoisomerase IV — Fluoroquinolones are bactericidal antibiotics that inhibit bacterial DNA gyrase (topoisomerase II) and topoisomerase IV. These enzymes are crucial for bacterial DNA replication, transcription, repair, and recombination, thus preventing bacterial growth and division.

Answer

A. Peptidoglycan transpeptidase

Answer

B. Dihydrofolate reductase

Answer

D. Ribosomal 50S subunit

Question 10

One who is all-powerful:‌​‍

Accepted Answer

Omnipotent — Omnipotent = having unlimited power.‌​‍

Answer

Omniscient

Answer

Omnivore

Answer

Omnipresent

Plus 2 Lecturer Mixed Practice Test #675