LGS Mixed Practice Test #315

Question 1

Ransomware is malicious software that:

Accepted Answer

Encrypts files and demands payment to decrypt — Ransomware (e.g., WannaCry, 2017) locks data until a ransom is paid.

Answer

Steals passwords

Answer

Overwrites BIOS

Answer

Spreads over Wi-Fi

Question 2

Which reformer is associated with the 'Ezhava Memorial' of 1896, a petition demanding reservation in government jobs and educational institutions for the Ezhava community?

Accepted Answer

C. Dr. Palpu — Dr. Palpu, a prominent Ezhava reformer and physician, was the primary leader of the 'Ezhava Memorial' of 1896, which petitioned the Maharaja of Travancore for reservation in government jobs and education. Chattampi Swamikal was a social reformer who advocated against casteism and superstitions but was not directly involved in the memorial. Vaikunda Swamikal, a social reformer from Tamil Nadu, had different ideological influences. Kumaran Asan, a poet-reformer, contributed to social awakening but was not the leader of this specific movement.

Answer

A. Chattampi Swamikal

Answer

B. Vaikunda Swamikal

Answer

D. Kumaran Asan

Question 3

The speed of sound in air is approximately:‌​‍

Accepted Answer

343 m/s — Speed of sound in air ≈ 343 m/s (at 20°C). Much slower than light (3×10⁸ m/s).‌​‍

Answer

100 m/s

Answer

3,000 m/s

Answer

300,000 m/s

Question 4

Invertebrates without backbone include:‌​‍

Accepted Answer

Insects, worms, sponges — No vertebral column.‌​‍

Answer

Fish

Answer

Mammals

Answer

Birds

Question 5

Kollam historically important for:

Accepted Answer

Quilon era calendar — Kollam Era (Malayalam calendar). Cashew capital.

Answer

Backwaters only

Answer

Tea

Answer

Rubber

Question 6

A teacher notices that students are frequently off-task and disruptive during independent work time. Which strategy would be most effective in preventing this behavior proactively?

Accepted Answer

B. Walking around the classroom, providing individual feedback, and actively monitoring. — Active monitoring through proximity control, combined with providing individual feedback, is a highly effective proactive strategy to keep students engaged and on task during independent work. Threatening extra homework (A) is punitive and can decrease motivation. Allowing phone use (C) is distracting. Assigning a peer monitor (D) shifts responsibility and can cause resentment or create an uncomfortable dynamic.

Answer

A. Threatening to give extra homework if students don't stay on task.

Answer

C. Allowing students to use their phones quietly for a short break.

Answer

D. Assigning a peer to monitor and report misbehavior to the teacher.

Question 7

Site of Krebs cycle:

Accepted Answer

Mitochondrial matrix — Electron transport chain on inner mitochondrial membrane. Glycolysis in cytoplasm.

Answer

Cytoplasm

Answer

Chloroplast

Answer

Ribosome

Question 8

Kerala was formed on:‌​‍

Accepted Answer

1 November 1956 — Kerala was formed on 1 November 1956 under the States Reorganisation Act by merging Travancore-Cochin state and the Malabar district of Madras.‌​‍

Answer

15 August 1947

Answer

1 May 1960

Answer

26 January 1950

Question 9

Smallest gland:‌​‍

Accepted Answer

Pineal — Pineal gland — smallest endocrine gland.‌​‍

Answer

Pituitary

Answer

Thyroid

Answer

Adrenal

Question 10

Samagra Shiksha Abhiyan:

Accepted Answer

2018 — Consolidated SSA, RMSA, Teacher Education in 2018.

Answer

2017

Answer

2019

Answer

2020

LGS Mixed Practice Test #315