LDC Mixed Practice Test #372

Question 1

Which teaching aid is best suited for fostering collaborative learning among students?

Accepted Answer

B. Group whiteboards — Group whiteboards are best suited for fostering collaborative learning as they encourage students to work together and share ideas. Individual tablets, pre-recorded lectures, and textbook exercises are less effective for collaboration as they are primarily individual or passive learning tools.

Answer

A. Individual tablets

Answer

C. Pre-recorded lectures

Answer

D. Textbook exercises

Question 2

Total number of triangles in typical Star of David:‌​‍

Accepted Answer

8 — Standard answer.‌​‍

Answer

10

Answer

6

Answer

12

Question 3

What was the real name of Vagbhatananda?‌​‍

Accepted Answer

K.P. Kunjikannan — Vagbhatananda's birth name was Kunjikannan Gurukkal.‌​‍

Answer

Keeleri Kunjikannan

Answer

Kunjan Pillai

Answer

Vayaleri Kunjikannan

Question 4

In the context of environmental biotechnology, what is the most significant advantage of employing genetically engineered microorganisms (GEMs) compared to naturally occurring microbial strains for the bioremediation of complex industrial waste containing recalcitrant organic compounds?

Accepted Answer

C. GEMs can be specifically designed to possess novel metabolic pathways or enhanced expression of existing enzymes, leading to more efficient and targeted degradation of specific recalcitrant pollutants. — The primary advantage of genetically engineered microorganisms (GEMs) in bioremediation is their ability to be specifically designed. This engineering allows them to acquire novel metabolic pathways or enhance existing enzymatic activities, enabling more efficient and targeted breakdown of recalcitrant organic pollutants that natural microbes struggle to degrade. While other options present potential outcomes or features, they are either overstatements, not universally true, or secondary to the fundamental engineered capability.

Answer

A. GEMs can naturally adapt to a broader spectrum of extreme pH and temperature conditions, making them universally applicable without prior site assessment.

Answer

B. GEMs are capable of completely mineralizing pollutants into inert inorganic compounds, thereby eliminating all secondary environmental impacts.

Answer

D. GEMs require significantly less incubation time and nutrient supplementation in situ, making them a more cost-effective solution for large-scale environmental clean-up projects.

Question 5

Protected forests:‌​‍

Accepted Answer

Some use allowed — Regulated use.‌​‍

Answer

Strict

Answer

Fully open

Answer

None

Question 6

Citizenship by birth post-1987:‌​‍

Accepted Answer

Requires one parent Indian citizen — 1986 amendment — parent must be citizen.‌​‍

Answer

Requires both parents

Answer

Never

Answer

Automatic if born India

Question 7

Cochin Shipyard in:

Accepted Answer

Ernakulam — Willingdon Island, Kochi — largest shipyard in India.

Answer

Kollam

Answer

Alappuzha

Answer

Kannur

Question 8

Synonym of INNOCUOUS:

Accepted Answer

Harmless — Not harmful.

Answer

Harmful

Answer

Dangerous

Answer

Bad

Question 9

The first Indian in space was:‌​‍

Accepted Answer

Rakesh Sharma — Rakesh Sharma went to space on 3 April 1984 aboard Soviet Soyuz T-11.‌​‍

Answer

Kalpana Chawla

Answer

Sunita Williams

Answer

Abdul Kalam

Question 10

Which of the following statements concerning prominent Indian sports personalities and their literary works/nicknames is correct?

Accepted Answer

B. Sachin Tendulkar's autobiography is titled 'Playing It My Way'. — 'Playing It My Way' is the well-known autobiography of legendary cricketer Sachin Tendulkar, making option B correct. 'Unbreakable' is Mary Kom's autobiography, while P.T. Usha is famously known as the 'Payyoli Express', disproving options A and C respectively. 'Ace Against Odds' is the autobiography of Sania Mirza, not M.S. Dhoni, making option D incorrect.

Answer

A. 'Unbreakable' is the autobiography of Saina Nehwal.

Answer

C. P.V. Sindhu is famously known by the nickname 'Payyoli Express'.

Answer

D. M.S. Dhoni authored the book 'Ace Against Odds'.

LDC Mixed Practice Test #372