Here is the completely updated `question.php`. I added the missing `$breadcrumbs` array and defined `$category_name` and `$topic_name` right before the header is included. This ensures that `header.php` generates the correct Breadcrumb Schema, page title, and meta description for single question pages. Replace your entire `question.php` with this: ```php Indus Valley Civilization Questions
Q. The Indus Valley Civilization is also known as:
Dravidian Civilization
Vedic Civilization
Harappan Civilization
Aryan Civilization

Explanation:

It is also called the Harappan Civilization, after Harappa.

Q. Harappa was discovered in which year?
1922
1921
1930
1924

Explanation:

Daya Ram Sahni discovered Harappa in 1921.

Q. Mohenjo-daro is located in which modern country?
Pakistan
Iran
India
Afghanistan

Explanation:

Mohenjo-daro is in Sindh, Pakistan.

Q. Harappa is located in which modern country?
India
Afghanistan
Iran
Pakistan

Explanation:

Harappa is in Punjab, Pakistan.

Q. The Great Bath is at which site?
Harappa
Mohenjo-daro
Kalibangan
Lothal

Explanation:

The Great Bath is a public water tank at Mohenjo-daro.

Q. IVC cities were known for:
Massive palaces
Grid streets and planned drainage
Pyramidal temples
Iron metallurgy

Explanation:

IVC cities had grid streets, drainage systems, and standardised bricks.

Q. IVC bricks were standardised in the ratio:
1:1:2
2:3:4
1:3:5
1:2:4

Explanation:

IVC bricks used a 1:2:4 thickness:width:length proportion.

Q. The 'Dancing Girl' figurine was found at:
Mohenjo-daro
Dholavira
Harappa
Lothal

Explanation:

The bronze Dancing Girl is from Mohenjo-daro.

Q. The Pashupati seal depicts a figure resembling:
Shiva
Brahma
Vishnu
Krishna

Explanation:

The Pashupati seal's seated horned figure resembles the Hindu deity Shiva.

Q. The IVC script is:
Deciphered in 1924
A form of Sanskrit
Undeciphered
Related to cuneiform

Explanation:

The Indus script remains undeciphered.

Q. The most common animal on IVC seals is:
Lion
Horse
Humped bull
Elephant

Explanation:

The humped bull (zebu) appears most frequently on Indus seals.

Q. Which animal is NOT depicted on IVC seals?
Tiger
Elephant
Horse
Bull

Explanation:

The horse is absent from IVC art, suggesting it was not yet widely used in South Asia.

Q. Dholavira is known for its:
Royal tombs
Great Bath
Dockyard
Water reservoirs and city layout

Explanation:

Dholavira (in Kutch, Gujarat) is famous for its water reservoirs and three-part city layout.

Q. Rakhigarhi is located in which Indian state?
Gujarat
Haryana
Rajasthan
Punjab

Explanation:

Rakhigarhi is in Haryana, India.

Q. Kalibangan is located in which Indian state?
Haryana
Gujarat
Rajasthan
Punjab

Explanation:

Kalibangan is in Rajasthan, India.

Q. The IVC traded with which ancient civilization?
Mesopotamia
China
Greece
Egypt

Explanation:

IVC seals found in Mesopotamia show trade with 'Meluhha' (the Indus region).

Q. The IVC was among the first to cultivate:
Rice
Cotton
Potato
Maize

Explanation:

The IVC was the earliest civilization to cultivate and produce cotton.

Q. The Mature Harappan phase is dated:
100 BCE–100 CE
1000–500 BCE
5000–4000 BCE
2600–1900 BCE

Explanation:

The Mature Harappan phase is c. 2600–1900 BCE.

Q. Mehrgarh, one of the earliest Neolithic sites, is located in:
Balochistan, Pakistan
Sindh, Pakistan
Gujarat, India
Punjab, Pakistan

Explanation:

Mehrgarh is in Balochistan, Pakistan, occupied from 7000 BCE.

Q. The IVC urban planning notably lacks:
Standardised bricks
Grid streets
Monumental palaces and royal tombs
Drainage systems

Explanation:

Unlike Egypt and Mesopotamia, IVC has no palaces, pyramids, or royal tombs, suggesting a more egalitarian society.

Q. Mohenjo-daro is a UNESCO World Heritage Site inscribed in:
1950
1999
1980
2010

Explanation:

Mohenjo-daro was inscribed as a UNESCO World Heritage Site in 1980.

Q. The IVC decline is best explained by:
Multiple factors (climate, rivers, migration)
Foreign invasion
Aryan invasion only
Single earthquake

Explanation:

Multiple factors — climate change, river shifts, floods, and migration — likely contributed to IVC decline.

```