LGS Mixed Practice Test #700

Question 1

A computer virus is:‌​‍

Accepted Answer

A malicious software program — A virus is malicious software that attaches to files and spreads, potentially damaging data and systems.‌​‍

Answer

A hardware failure

Answer

A type of antivirus

Answer

A browser extension

Question 2

Which of the following is a key distinguishing feature of Kerala's human development model compared to other Indian states?

Accepted Answer

C. Emphasis on gender equity and social welfare programmes — Kerala's model prioritizes human development through social welfare and gender equity, as seen in programmes like Kudumbashree and high literacy rates, rather than industrial growth or urbanization. This approach contrasts with other states that focus primarily on economic indicators.

Answer

A. High economic growth rate driven by industrialization

Answer

B. Universal primary education with high enrollment ratios

Answer

D. Rapid urbanization with modern infrastructure development

Question 3

P.T. Usha, often referred to as the 'Payyoli Express', is a legendary Indian athlete. Which of the following statements about her career and accolades is correct?

Accepted Answer

B. She holds the record for the most individual gold medals (4) won by an Indian athlete in a single edition of the Asian Games. — P.T. Usha won four gold medals (in 200m, 400m, 400m hurdles, and 4x400m relay) and one silver medal at the 1986 Seoul Asian Games, a record for individual gold medals by an Indian athlete in a single Asian Games edition. She narrowly missed an Olympic medal in 1984, securing fourth place, and did not receive the Dronacharya Award, which is for coaches. Her recent prominent nomination was to the Rajya Sabha in 2022, not the IOC Athletes' Commission.

Answer

A. She became the first Indian woman to win an Olympic medal in track and field at the 1984 Los Angeles Games.

Answer

C. She was awarded the Dronacharya Award for coaching promising young athletes.

Answer

D. She was inducted into the International Olympic Committee's Athletes' Commission in 2016.

Question 4

The Vembanad Lake is the _______ lake in India.‌​‍

Accepted Answer

Longest — Vembanad Lake is the longest lake in India (spanning ~96 km across Kottayam, Alappuzha, and Ernakulam districts).‌​‍

Answer

Highest

Answer

Smallest

Answer

Deepest

Question 5

Exchange of gases in the human lungs occurs in the:‌​‍

Accepted Answer

Alveoli — Alveoli are tiny air sacs where O₂/CO₂ exchange with capillaries occurs.‌​‍

Answer

Bronchi

Answer

Trachea

Answer

Pleura

Question 6

Ampere measures:‌​‍

Accepted Answer

Current — Electric current. Volt=voltage, Ohm=resistance, Watt=power.‌​‍

Answer

Voltage

Answer

Resistance

Answer

Power

Question 7

Sasthamkotta, Kerala's largest freshwater lake, is in:‌​‍

Accepted Answer

Kollam — Sasthamkotta is a Ramsar wetland and a freshwater lake in Kollam district.‌​‍

Answer

Kottayam

Answer

Alappuzha

Answer

Ernakulam

Question 8

What did Werner's coordination theory (1893) propose about metal valences?‌​‍

Accepted Answer

Metal has primary (oxidation state) and secondary (coordination number) valences — Nobel 1913. ‌​‍[Co(NH₃)₆]Cl₃: primary 3 (Cl⁻), secondary 6 (NH₃). Geometry: octahedral, tetrahedral, etc.

Answer

Octet only

Answer

Primary and secondary valences

Answer

Only one valence

Question 9

Unlike the majority of Kerala's rivers that flow westward, the Kabani, Bhavani, and Pambar rivers exhibit an eastward flow. This distinct characteristic primarily results from:

Accepted Answer

A. Their origin on the eastern slopes of the Western Ghats, draining into the larger Cauvery river system. — The Kabani, Bhavani, and Pambar are the only three east-flowing rivers in Kerala. They originate on the eastern slopes of the Western Ghats, unlike most other Kerala rivers which originate on the western slopes. Consequently, they drain into the larger Cauvery river system, which flows eastward towards the Bay of Bengal, making their drainage pattern distinct within the state, not due to geological faults or human intervention.

Answer

B. Ancient geological fault lines redirecting their course against the general topographic slope of the state.

Answer

C. Human intervention through canal systems constructed for irrigation purposes in arid regions.

Answer

D. Their unique characteristic of being fed by subterranean springs that emerge on the eastern side of the Ghats.

Question 10

Number of muscles in human body:‌​‍

Accepted Answer

600+ — More than 600 muscles.‌​‍

Answer

400

Answer

206

Answer

300

LGS Mixed Practice Test #700