LGS Mixed Practice Test #392

Question 1

A farmer in Kerala is considering cultivating crops that require well-drained laterite soil, moderate rainfall, and undulating terrain suitable for terraced farming. Based on these conditions, which physiographic region would be most appropriate for establishing such a farm?

Accepted Answer

B. Midland region, characterized by laterite soil, undulating hills, and suitability for cash crops like rubber and spices. — The midland region of Kerala is distinctively characterized by undulating hills and valleys, predominantly featuring well-drained laterite soils. These conditions are ideal for cultivating cash crops such as rubber, spices, and cashew, often practiced on terraced slopes. The highland region has steeper terrain and different soil types, while the lowland and coastal plains have flat terrain with alluvial or sandy soils, making them unsuitable for the described farming.

Answer

A. Highland region, due to its high altitude and rich forest soil.

Answer

C. Lowland region, known for its alluvial plains and backwaters, ideal for paddy cultivation.

Answer

D. Coastal plain, with sandy soils and proximity to the sea, suitable for coconut plantations.

Question 2

Kepler's third law: T² ∝:

Accepted Answer

r³ — T² = 4π²r³/(GM). Basis of planetary period-distance relationship.

Answer

r

Answer

r²

Answer

r⁴

Question 3

Periodic Table arranged by:‌​‍

Accepted Answer

Mendeleev — Dmitri Mendeleev arranged elements by atomic mass (1869). ‌​‍Modern table by atomic number.

Answer

Lavoisier

Answer

Bohr

Answer

Dalton

Question 4

Pseudo forces appear in:‌​‍

Accepted Answer

Non-inertial frames — E.g. ‌​‍centrifugal force in rotating frame, Coriolis force. Added to apply F=ma in accelerating frames.

Answer

Rest frames

Answer

All frames

Answer

Inertial frames

Question 5

Who arranged elements in the modern periodic table by atomic number?‌​‍

Accepted Answer

Moseley — Henry Moseley (1913) established atomic number as the fundamental property.‌​‍

Answer

Mendeleev

Answer

Newlands

Answer

Dobereiner

Question 6

Which of the following produce antibodies in blood?‌​‍

Accepted Answer

Lymphocyte — B-lymphocytes produce antibodies.‌​‍

Answer

Monocyte

Answer

Neutrophil

Answer

Eosinophil

Question 7

A 9-month-old child presents with severe dehydration due to acute watery diarrhea. According to IMNCI guidelines, what is the most appropriate initial management step for this child?

Accepted Answer

B. Start intravenous fluids rapidly (e.g., Ringer's Lactate) — For severe dehydration, rapid intravenous fluid administration (such as Ringer's Lactate or normal saline) is the priority to quickly restore circulating volume and correct electrolyte imbalances. Oral Rehydration Solution (ORS) is used for some or no dehydration. Zinc is given to reduce the duration and severity of diarrhea, and antibiotics are indicated only for specific types of diarrhea (e.g., dysentery, cholera), not routinely for severe dehydration.

Answer

A. Administer ORS solution orally

Answer

C. Give zinc supplements immediately

Answer

D. Administer antibiotics

Question 8

The Chera dynasty's major port on the Malabar coast during Sangam age was:

Accepted Answer

Muziris (Muchiri, near Kodungallur) — Muziris on the Periyar river traded with Rome (pepper, spices); silted up by 14th century.

Answer

Karaikkal

Answer

Tamralipti

Answer

Sopara

Question 9

Functional group -CHO is:‌​‍

Accepted Answer

Aldehyde — R-CHO. ‌​‍Named -al (e.g., methanal = HCHO, ethanal = CH₃CHO). Ketones R-CO-R' (-one).

Answer

Ketone

Answer

Alcohol

Answer

Ester

Question 10

In the context of Kerala's decentralized administrative framework, the Grama Sabha plays a crucial role in ensuring local accountability and participation. Which of the following is a key power or function primarily vested with the Grama Sabha, distinguishing it from the functions of the elected Grama Panchayat?

Accepted Answer

A. Scrutiny and approval of the annual budget and development plans prepared by the Grama Panchayat. — The Grama Sabha, comprising all registered voters in a ward, is empowered to scrutinize and approve the annual budget and development plans formulated by the Grama Panchayat, ensuring transparency and public participation. Issuance of certificates, staff appointment, and enforcement of bylaws are primarily administrative functions of the elected Grama Panchayat.

Answer

B. Issuance of various certificates such as birth, death, and residency to villagers.

Answer

C. Appointment of staff for various projects and schemes implemented at the village level.

Answer

D. Enforcement of local bylaws and regulations concerning public health and sanitation.

LGS Mixed Practice Test #392