Explanation

فعل معروف وہ فعل ہوتا ہے جس میں فاعل کا ذکر کیا جائے، جیسے کہ سلیم نے اپنا فرض پورا کر دیا۔

یہاں "سلیم" فاعل ہے اور اس کا عمل (فرض پورا کرنا) بیان کیا گیا ہے۔

Explanation

"Last night you returned late" is the correct sentence.

Because it uses the past tense to describe an action that happened in the past.

Explanation

Education refers to the formal process of improvement and change in human knowledge.

It encompasses learning, development, and acquiring new skills.

Explanation

Acids are not slippery; instead, they usually have a sour taste and can be corrosive.

Bases are the ones that feel slippery to touch.

Explanation

Rose petals act as a natural pH indicator.

They turn blue in alkaline (basic) solutions due to pigment changes.

Explanation

The auditory nerve (also called the cochlear nerve) transmits sound signals from the ear to the brain.

It plays a direct role in the sense of hearing.

Explanation

Centrioles are typically found in animal cells, not in most plant cells.

Plant cells do have chloroplasts, mitochondria, and a cell membrane.

Explanation

بہادر شاہ ظفر کے اتالیق (استاد) شاہ نصیر تھے، جو دہلی کے مشہور شاعر تھے۔

انہوں نے بہادر شاہ ظفر کو شاعری کی تربیت دی۔

Explanation

The Communist Revolution in China succeeded in 1949 under the leadership of Mao Zedong.

The People's Republic of China was officially established on October 1, 1949.

Explanation

The number of subsets of a set with n elements is 2^n.

Here, A = {a, b, c} has 3 elements, so:

Number of subsets = 2^3

= 8

The subsets are:

{}, {a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c}