LGS Mixed Practice Test #572

Question 1

Slavery abolished in Travancore:‌​‍

Accepted Answer

1812 — 1812.‌​‍

Answer

1836

Answer

1855

Answer

1865

Question 2

The activity series of metals arranges metals by:

Accepted Answer

Ease of losing electrons (reactivity) — Activity series: K > Na > Ca > Mg > Al > Zn > Fe > Sn > Pb > (H) > Cu > Hg > Ag > Au.

Answer

Atomic mass

Answer

Colour

Answer

Cost

Question 3

First woman fighter pilot in India:‌​‍

Accepted Answer

Avani Chaturvedi with batch — Group included Avani, Bhawna Kanth, Mohana Singh.‌​‍

Answer

Multiple

Answer

Just one

Answer

Only male

Question 4

Study of handwriting:

Accepted Answer

Graphology — Graphology.

Answer

Calligraphy

Answer

Linguistics

Answer

Anthropology

Question 5

Corrosion of iron (rusting) requires:‌​‍

Accepted Answer

O₂ and water (and often acid/salt) — Electrochemical process: anode (Fe → Fe²⁺), cathode (O₂ reduction). ‌​‍Rust = hydrated iron(III) oxide. Prevention: galvanization, painting, sacrificial anode.

Answer

Only O₂

Answer

Only water

Answer

Only heat

Question 6

Test cross is between:

Accepted Answer

F1 hybrid × homozygous recessive — Reveals genotype of unknown. Mendel used Tt × tt → 1:1 ratio (if heterozygous).

Answer

Two dominants

Answer

Two heterozygotes

Answer

Two recessives

Question 7

Ms. Devi, a high school teacher, observes that her students struggle with critical thinking in history lessons. She decides to initiate an action research project. What would be the MOST appropriate first step for Ms. Devi to take immediately after identifying this problem?

Accepted Answer

B. Collect data on current student performance in critical thinking through observations, surveys, or assignments. — After identifying a problem, the first crucial step in action research is to gather relevant data to understand the problem in depth and establish a baseline. This data collection (Option B) helps to confirm the problem's existence, identify its scope, and inform the subsequent planning of interventions. While reviewing literature (Option C) is valuable, it typically follows initial data collection or problem refinement, and immediately implementing a solution (Option A) or designing a formal experimental study (Option D) bypasses the investigative phase central to action research.

Answer

A. Immediately introduce a new textbook chapter on critical thinking skills.

Answer

C. Review existing academic literature on critical thinking strategies in history education.

Answer

D. Formulate a hypothesis about the causes of poor critical thinking and design an experimental study.

Question 8

Haemoglobin function:‌​‍

Accepted Answer

Oxygen transport — O2 transport via iron-containing heme.‌​‍

Answer

Clotting

Answer

Digestion

Answer

Immunity

Question 9

Photosynthesis in:‌​‍

Accepted Answer

Leaf — Chloroplasts in leaves.‌​‍

Answer

Root

Answer

Stem

Answer

Flower

Question 10

What is the total length of NH 49 (Kochi to Dhanushkodi)?‌​‍

Accepted Answer

650 km — NH 49 (now NH 85) Kochi-Dhanushkodi ~650 km.‌​‍

Answer

600 km

Answer

440 km

Answer

500 km

LGS Mixed Practice Test #572