Practice questions without fighting the page.

<ul> <li><b>Correct answer: C</b> — Seeds of Bt cotton are cheaper than non-GM seeds is not true. Bt cotton seeds are often priced higher due to technology royalties and licensing.</li> <li><b>Key concept:</b> Bt cotton expresses Bacillus thuringiensis toxin, giving built-in pest resistance, reducing chemical insecticide use.</li> <li><b>Why C is incorrect:</b> GM seeds usually cost more upfront, not cheaper.</li> <li><b>Why A, B, D are often considered true statements:</b> <ul> <li>A: Farmer profits can increase due to higher yields and lower pest damage.</li> <li>B: Insecticide use often declines with Bt cotton.</li> <li>D: Cotton exports can rise due to better quality and yield, contributing to higher export volumes.</li> </ul> </li> <li><b>Exam tip:</b> Focus on price vs. benefits; GM seeds often cost more despite reduced inputs.</li> </ul>

Kudankulam Nuclear Power Plant is located 650km south of Chennai, in the Tirunelveli district of Tamil Nadu.

The Terai, also known as the Tarai, is a lowland region, alluvial land stretching along the Nepal-India border and running parallel to the lower ranges of the Himalayas.

Assam shares Interstate boundary with West Bengal, Arunachal Pradesh, Meghalaya, Tripura, Nagaland, Manipur and Mizoram.

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<div class="ai-chip">? Vocabulary Learning</div>
<div class="ai-answer-card"><b>✅ Correct Answer</b><p>Sinecure</p></div>
<div class="ai-why-card"><b>? Why?</b><p>A sinecure is a job or position that needs little work but gives a good salary or perks.</p></div>
<div class="ai-rule-card"><b>? Remember</b><p>Think of "sin" + "cure" as a safe, easy job that "cures" nothing but pays well.</p></div>
<div class="ai-example-card"><b>? Example</b><p>He landed a sinecure as a director with minimal duties but a high salary.</p></div>
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<div class="ai-exp-block"> <b>Explanation:</b> <p>Chittaranjan Das (CR Das) played a pivotal role in Indian politics after leading the non-cooperation movement in Bengal. In 1923, he and Motilal Nehru formed the Swarajya Party within the Indian National Congress to contest elections and to obstruct the government from within. This marked a shift from mass agitation to parliamentary strategy, aiming to push for reforms through legislative means. The other options refer to different events: Indigo Revolt (1870s, not CR Das), Meerut conspiracy case (1915–16), and the Cabinet Mission (1946).</p> </div> <div class="ai-did-block"> <b>? Did You Know?</b><br> <p>Chittaranjan Das was popularly known as Deshbandhu.</p> </div> <div class="ai-remember-block"> <b>? Remember:</b> <p>CR Das helped form the Swarajya Party in 1923 with Motilal Nehru to enter Parliament and push for reforms.</p> </div>

On the occasion of Teachers Day celebration.

Astatine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85

Jallianwala Bagh is a public garden located in the city of Amritsar in the state of Punjab. It is known for its historical significance due to the tragic Jallianwala Bagh Massacre that took place there on April 13, 1919, during the British colonial era.

The branch is <b>Gerontology</b>. <ul> <li><b>Why correct:</b> Gerontology studies aging and problems common in elderly people, including diseases, geriatrics aspects, and aging physiology.</li> <li><b>Key concept:</b> Aging biology and health care for older adults; focus is not on youth or non-living science.</li> <li><b>Why others are incorrect:</b> <ul> <li> Cytology = study of cells.</li> <li> Geology = study of Earth’s materials.</li> <li> Zoology = study of animals.</li> </ul></li> <li><b>Exam tip:</b> If the topic mentions elderly or aging, choose Gerontology/geriatrics.</li> </ul>

The income is “derived from ownership of land.” <ul> <li><b>Correct: A. from</b> – “derived from” means the source or origin of something (income arising from ownership).</li> <li><b>Why others are wrong:</b></li> <li>B. with – implies accompaniment, not source.</li> <li>C. to – denotes direction or recipient, not origin.</li> <li>D. at – indicates location or rate, not source.</li> </ul>

<b>Correct option: A</b> <ul> <li><b>Why:</b> Cellular respiration releases energy by breaking down glucose in the presence of oxygen, producing ATP. It is an exothermic process.</li> <li><b>Key concept:</b> Energy release occurs as chemical bonds are broken and new bonds form in CO2 and H2O, yielding ATP (energy currency).</li> <li>

<b>Explanation</b> <ul> <li><b>Correct answer: B (37 ?)</b> refers to 37°C, the typical normal core body temperature for a healthy adult.</li> <li><b>Key concept:</b> Normal human temperature is measured in Celsius on the standard scale; ~36.5–37.5°C is considered normal.</li> <li><b>Reasoning:</b> 37°C ≈ 98.6°F; 98.4 is a Fahrenheit value and not the commonly stated Celsius normal.</li> <li><b>Exam tip:</b> If given values in °C, choose around 37; if in °F, around 98–99.</li> <li><b>Why others are incorrect:</b> 14.5°C and 25°C are far below human core temperature; 98.4 (if interpreted as °F) is not in °C terms.</li> </ul>

<b>The heart is covered by a membrane called the Pericardium.</b> <ul> <li><b>Correct answer:</b> B. Pericardium</li> <li><b>Key concept:</b> The pericardium is a double-layered sac that protects and lubricates the heart.</li> <li><b>Why correct:</b> It directly envelops the heart (not the myocardium, which is the heart muscle itself).</li> <li><b>Why others are incorrect:</b> A. Myocardium = heart muscle. C. Aorta = major artery, not a membrane. D. None of These = not true.</li> <li><b>Exam tip:</b> Remember “pericardium surrounds the heart” to quickly recall it in questions. </li> </ul>

Nag Tibba is a popular trekking destination located in the state of Uttarakhand, in the region of the Lesser Himalayas.

<div class="ai-exp-block"> <b>Explanation:</b> <p>Scheduled Castes are communities given recognition in the Constitution and eligible for affirmative action. In Nagaland, the state has no population classified as Scheduled Castes according to official census records, so there are no SC communities listed within the state. This contrasts with other states where SC populations are present and eligible for related schemes. The correct option is C, Nagaland.</p> </div> <div class="ai-did-block"> <b>? Did You Know?</b><br> <p>Article 341 of the Indian Constitution defines the Scheduled Castes and empowers the President to specify the list for each state.</p> </div> <div class="ai-remember-block"> <b>? Remember:</b> <p>Nagaland has no Scheduled Caste population; SC lists are applicable to other states.</p> </div>