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Question 1308

Which of the following is a vector?

AMass

BVolume

CSpeed

DVelocity

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D. VelocityVelocity is a vector quantity because it has both magnitude and direction. It represents the rate of change of displacement of an object. Unlike speed, which only tells how fast an object is moving, velocity also indicates the direction of motion. Other options (for context) Mass: A scalar quantity — it has magnitude only, no direction. Volume: Scalar — represents space occupied by matter, without direction. Speed: Scalar — measures how fast an object moves but not in which direction.

Question 1307

Oxygen is transported to the cells of the human body through:

ARed Blood cells

BWhite Blood cells

CHormones

DEnzymes

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A. Red Blood cellsOxygen is transported to the body’s cells by Red Blood Cells (RBCs). RBCs contain a special iron-containing pigment called hemoglobin, which has the ability to bind oxygen in the lungs and release it in body tissues where it is needed for cellular respiration. This process ensures that all body cells receive the oxygen required to produce energy (ATP). Other options (for context) White Blood Cells (WBCs): Defend the body against infections and diseases, but do not carry oxygen. Hormones: Chemical messengers that regulate body functions, not involved in oxygen transport. Enzymes: Biological catalysts that speed up chemical reactions, not oxygen carriers.

Question 1306

Which of the following is a source of non-conventional energy?

AFirewood

BDiesel

CPetrol

DBiogas

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D. BiogasBiogas is a source of non-conventional (renewable) energy. It is produced through the anaerobic decomposition of organic waste materials such as animal dung, crop residues, and kitchen waste. Biogas mainly contains methane (CH₄) and is used as a clean fuel for cooking, lighting, and even power generation. It helps reduce dependence on fossil fuels and minimizes environmental pollution. Other options (for context) Firewood: A traditional biomass fuel, not classified as a modern non-conventional source. Diesel: A conventional fossil fuel derived from crude oil. Petrol: Another conventional fossil fuel obtained from petroleum refining.

Question 1305

In the XX Commonwealth Games in Glasgow, Dipa Karmakar won:

AGold Medal

BSilver Medal

CBronze Medal

DNone of these

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C. Bronze MedalXX Commonwealth Games held in Glasgow, Scotland from 23 July to 3 August 2014.

Question 1304

Which of the following pair is not properly matched? A) Norway - Oslo B) Finland - Helsinki C) Austria - Vienna D) Sweden - Copenhagen

ANorway - Oslo

BFinland - Helsinki

CAustria - Vienna

DSweden - Copenhagen

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D. Sweden - CopenhagenThe capital of Sweden is Stockholm. Copenhagen is the capital of Denmark.

Question 1303

The first World war started in:

A1914

B1915

C1919

D1921

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A. 1914Explanation not yet available.

Question 1302

Which of the following pair is not properly matched? A) Bokaro - Jharkhand B) Rohtang Pass - Himachal Pradesh C) Kodai Kanal - Kerala D) Rourkela - Odisha

ABokaro - Jharkhand

BRohtang Pass - Himachal Pradesh

CKodai Kanal - Kerala

DRourkela - Odisha

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C. Kodai Kanal - KeralaExplanation not yet available.

Question 1301

The last Emergency was declared in India in the year:

A1948

B1975

C1971

D1962

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B. 1975The Emergency was in effect from 25 June 1975 to 21 March 1977 due to "internal disturbance".

Question 1300

The Indian National Army (INA) hoisted the Indian flag for the first time on the sacred soil of:

AKohima

BTawang

CImphal

DMoirang

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D. MoirangMoirang is a small town in the state of Manipur. It is situated approx 45 km south of the state capital Imphal.

Question 1299

Namdapha wildlife sanctuary is situated in:

ANagaland

BArunachal Pradesh

CAssam

DManipur

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B. Arunachal PradeshExplanation not yet available.

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Explore the question bank

Which of the following is a vector?

Oxygen is transported to the cells of the human body through:

Which of the following is a source of non-conventional energy?

In the XX Commonwealth Games in Glasgow, Dipa Karmakar won:

Which of the following pair is not properly matched? A) Norway - Oslo B) Finland - Helsinki C) Austria - Vienna D) Sweden - Copenhagen

The first World war started in:

Which of the following pair is not properly matched? A) Bokaro - Jharkhand B) Rohtang Pass - Himachal Pradesh C) Kodai Kanal - Kerala D) Rourkela - Odisha

The last Emergency was declared in India in the year:

The Indian National Army (INA) hoisted the Indian flag for the first time on the sacred soil of:

Namdapha wildlife sanctuary is situated in:

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