LGS Mixed Practice Test #650

Question 1

Who introduced the '@' symbol in email?‌​‍

Accepted Answer

Ray Tomlinson — Ray Tomlinson introduced the @ symbol in email addresses in 1971. ‌​‍He is credited with inventing network email.

Answer

Tim Berners-Lee

Answer

Bill Gates

Answer

Larry Page

Question 2

The Atlantic Islands (Madeira, Azores, Canary, Cape Verde) served as key bases for:

Accepted Answer

Portuguese and Spanish transatlantic expeditions — These islands were stopover points for food/water on the route to Africa, India and the Americas.

Answer

British colonisers in India

Answer

Roman naval campaigns

Answer

French fur trade

Question 3

Id, Ego, Superego (Freud):‌​‍

Accepted Answer

Id (pleasure), Ego (reality), Superego (morality/conscience) — Structural model. ‌​‍Ego mediates conflict. Anxiety from conflict → defense mechanisms.

Answer

Equal functions

Answer

Unrelated

Answer

Only conscious

Question 4

Which gas is evolved when sodium is placed in water?

Accepted Answer

Hydrogen (with much heat) — 2Na + 2H₂O → 2NaOH + H₂ ↑ (highly exothermic; often ignites).

Answer

Chlorine

Answer

Oxygen

Answer

Nitrogen

Question 5

Seismic waves — P waves are:‌​‍

Accepted Answer

Faster (primary, compressional, through solid & liquid) — S (secondary, shear) don't travel through liquid — shadow zone proves Earth's outer core is liquid. ‌​‍Surface waves (Rayleigh, Love) cause most damage.

Answer

Same speed

Answer

Surface only

Answer

Slower

Question 6

Continuous and Comprehensive Evaluation (CCE) as mandated by educational reforms in India aims to achieve which of the following primary objectives?

Accepted Answer

B. To provide a holistic profile of the learner's progress, covering both scholastic and co-scholastic aspects. — CCE's primary objective is to provide a holistic assessment of a child's development, encompassing both scholastic (academic) and co-scholastic (life skills, attitudes, values, co-curricular) areas. It integrates continuous assessment but does not eliminate examinations, nor does it solely focus on cognitive skills or competitive ranking, aiming instead for overall growth.

Answer

A. To reduce the academic burden on students by eliminating examinations.

Answer

C. To solely focus on evaluating cognitive skills through written tests.

Answer

D. To rank students competitively based on their performance in final exams.

Question 7

2004 Indian Ocean Tsunami magnitude:‌​‍

Accepted Answer

9.1-9.3 — Mw 9.1-9.3 Sumatra-Andaman earthquake.‌​‍

Answer

7.0

Answer

8.0

Answer

10.0

Question 8

Wayanad district was carved out of which districts?

Accepted Answer

Kozhikode and Kannur — Wayanad was formed on 1 November 1980 from parts of Kozhikode and Kannur districts.

Answer

Malappuram and Kozhikode

Answer

Palakkad and Kozhikode

Answer

Kannur and Kasaragod

Question 9

What is eutrophication?‌​‍

Accepted Answer

Nutrient enrichment of water → algae — Excessive nutrients lead to algal blooms.

Answer

Drying

Answer

Salinity

Answer

Acidification

Question 10

Which Malayalam poet was honored by the British prince in 1922?

Accepted Answer

Kumaranasan — Kumaranasan was honored with 'Mahakavi' title by Prince of Wales in 1922.

Answer

G. Sankara Kurup

Answer

Vallathol Narayana Menon

Answer

Changampuzha Krishnapillai

LGS Mixed Practice Test #650