HSA Mixed Practice Test #1028

Question 1

Concave lens image:‌​‍

Accepted Answer

Virtual, erect, diminished — Always virtual, erect, smaller.‌​‍

Answer

Real, magnified

Answer

Real, inverted

Answer

No image

Question 2

CRISPR-Cas9 is used for:‌​‍

Accepted Answer

Gene editing — precise DNA cuts guided by RNA — From bacterial immune system. ‌​‍Nobel 2020 (Charpentier & Doudna). Applications: therapy, agriculture, basic research.

Answer

Vaccination

Answer

Staining

Answer

Only diagnostics

Question 3

Guru Gobind Singh (10th Guru) founded:‌​‍

Accepted Answer

Khalsa (1699, Baisakhi) — Guru Gobind Singh initiated Khalsa at Anandpur 13 April 1699. ‌​‍5 Ks (Kesh, Kangha, Kara, Kirpan, Kachera). Panj Pyare — 5 Beloved Ones.

Answer

Akal Takht

Answer

Golden Temple

Answer

Sikhism

Question 4

Ayyankali's famous agitations included:‌​‍

Accepted Answer

Villuvandi Strike and Kallumala Strike — Ayyankali led both Villuvandi strike (1893 right to travel) and Kallumala strike (1915 right to wear).‌​‍

Answer

Vaikom Satyagraha

Answer

Only Kallumala Strike

Answer

Only Villuvandi Strike

Question 5

AGMUT cadre:‌​‍

Accepted Answer

IAS joint for Arunachal, Goa, Mizoram, UTs — All India Service cadre.‌​‍

Answer

None

Answer

Single state

Answer

Private

Question 6

Who transferred the capital of Delhi Sultanate from Delhi to Daulatabad?‌​‍

Accepted Answer

Mohammad-bin-Tughlaq — Mohammad-bin-Tughlaq's 1327 capital transfer to Devagiri (renamed Daulatabad) — a famous failure.‌​‍

Answer

Ibrahim Lodi

Answer

Alauddin Khalji

Answer

Firoz Shah Tughlaq

Question 7

What is Kerala's Infant Mortality Rate (IMR) status among Indian states?‌​‍

Accepted Answer

Among lowest in India — Lowest IMR in India.

Answer

Highest

Answer

Average

Answer

Unknown

Question 8

Kerala's diverse topography and heavy rainfall lead to the formation of various soil types. Among these, laterite soils are prominent. Which of the following statements most accurately describes laterite soils and their agricultural significance in Kerala?

Accepted Answer

B. Formed under conditions of high temperature and heavy rainfall, they are rich in iron and aluminium oxides, suitable for crops like cashew, tapioca, and rubber. — Laterite soils in Kerala are formed due to intense leaching under high temperature and heavy rainfall, leading to a high concentration of iron and aluminium oxides. While generally less fertile due to low organic matter and nitrogen, they are well-suited for crops like cashew, tapioca, and rubber with appropriate soil management practices. Options A, C, and D describe characteristics of other soil types (alluvial, black, and sandy coastal soils, respectively) or misrepresent laterite soil properties and their agricultural uses.

Answer

A. They are rich in humus and nitrogen, making them highly productive for intensive paddy cultivation in low-lying areas.

Answer

C. Characterized by fine particles and high moisture retention capacity, they are ideal for growing cotton and sugarcane in highland regions.

Answer

D. They are porous and sandy, primarily found along coastal plains, supporting coconut and limited vegetable farming due to low fertility.

Question 9

The Green Revolution, while instrumental in achieving food self-sufficiency in India, also brought about significant socio-economic implications. Which of the following statements best describes a key consequence that necessitated further policy interventions in post-Green Revolution India?

Accepted Answer

C. It created substantial regional disparities in agricultural prosperity, disproportionately benefiting states with assured irrigation and large landholdings. — The Green Revolution, while boosting food production, primarily benefited regions with access to assured irrigation and large farmers, leading to increased regional and class-based disparities. This necessitated further policy interventions like land reforms, targeted subsidies, and strengthening of the Public Distribution System (PDS) to address the uneven distribution of benefits. Options A, B, and D describe outcomes contrary to the actual consequences.

Answer

A. It uniformly uplifted the economic status of all agricultural laborers and small-scale farmers across the country.

Answer

B. It led to a drastic reduction in the demand for chemical fertilizers and irrigation facilities due to improved crop varieties.

Answer

D. It completely eliminated the need for food imports, thereby making India immune to global food price fluctuations.

Question 10

Kailasa Temple at Ellora built by:‌​‍

Accepted Answer

Rashtrakuta — Krishna I of Rashtrakuta.‌​‍

Answer

Chola

Answer

Pallava

Answer

Chalukya

HSA Mixed Practice Test #1028