LGS Mixed Practice Test #237

Question 1

A significant recommendation of NEP 2020 concerning language in education is the promotion of multilingualism. Which of the following statements accurately reflects NEP 2020's stance on the medium of instruction, especially in the Foundational Stage?

Accepted Answer

B. Instruction should preferably be in the home language/mother tongue/local language until at least Grade 5, and preferably till Grade 8 and beyond. — NEP 2020 strongly advocates for instruction in the home language/mother tongue/local language wherever possible, at least until Grade 5, and preferably till Grade 8 and beyond, to enhance learning outcomes and cognitive development. Options A, C, and D contradict this emphasis on multilingualism and the use of local languages as the medium of instruction.

Answer

A. English must be the sole medium of instruction from Grade 1 onwards.

Answer

C. Sanskrit should be the compulsory medium of instruction across all stages of school education.

Answer

D. Students should be taught only in one language throughout their school journey to avoid confusion.

Question 2

Neurotransmitter at neuromuscular junction (vertebrates):

Accepted Answer

Acetylcholine — Broken down by acetylcholinesterase. Myasthenia gravis: autoimmune disease affecting ACh receptors.

Answer

Dopamine

Answer

GABA

Answer

Serotonin

Question 3

A teacher notices that a student consistently completes assignments only to earn stickers and praise, but shows little interest when the rewards are removed. This scenario best illustrates the influence of which type of motivation on learning?

Accepted Answer

B. Extrinsic motivation — The student's behavior is driven by external rewards (stickers and praise), which is characteristic of extrinsic motivation. Intrinsic motivation would involve internal satisfaction from the task itself. Self-determination theory relates to autonomy but doesn't directly explain reliance on rewards.

Answer

A. Intrinsic motivation

Answer

C. Self-determination theory

Answer

D. Maslow's deficiency needs

Question 4

Chirality in organic molecules requires:

Accepted Answer

sp³ carbon bonded to four different groups — Stereocenter. Pair of enantiomers rotate plane of polarized light oppositely. Important in drugs (thalidomide disaster).

Answer

Double bond

Answer

sp² carbon

Answer

sp carbon

Question 5

Oppana performed at:‌​‍

Accepted Answer

Muslim weddings — Muslim wedding dance form (Mappila).‌​‍

Answer

Christian events

Answer

Any festival

Answer

Hindu weddings

Question 6

Wayanad's headquarters is:‌​‍

Accepted Answer

Kalpetta — Kalpetta is the headquarters of Wayanad district.‌​‍

Answer

Wayanad town

Answer

Sultan Bathery

Answer

Mananthavady

Question 7

The non-metal that is liquid at room temperature is:‌​‍

Accepted Answer

Bromine — Bromine is the only non-metal liquid at room temperature. ‌​‍Mercury is the only liquid metal.

Answer

Mercury

Answer

Iodine

Answer

Phosphorus

Question 8

An analogous structure (e.g., insect wing vs bird wing) indicates:‌​‍

Accepted Answer

Convergent evolution (similar function, different origin) — Analogous organs evolved independently but share function due to similar selection pressures.‌​‍

Answer

Common ancestry

Answer

No evolution

Answer

Nothing

Question 9

The unit of frequency is:‌​‍

Accepted Answer

Hertz — Hertz (Hz) = unit of frequency (cycles per second). ‌​‍Decibel = unit of sound intensity.

Answer

Decibel

Answer

Watt

Answer

Newton

Question 10

Rahul Gandhi's record:‌​‍

Accepted Answer

Won both Wayanad and Rae Bareli — Won both.‌​‍

Answer

Only RB

Answer

Only Wayanad

Answer

Lost

LGS Mixed Practice Test #237