Explanation

Explanation

 "Call on" means to visit someone, especially formally.

So:

"Mr. Steward will call on you at 8.00 P.M."

مسٹر اسٹیورڈ آپ سے شام 8 بجے ملاقات کریں گے۔

Explanation

The sentence describes a past continuous action interrupted by another past action.

So:

"He was sleeping when the doorbell rang."

جب دروازے کی گھنٹی بجی، وہ سو رہا تھا۔

Explanation

 The bacterial phase of inactive growth, where bacteria prepare for division, is called the lag phase.

During this phase, bacteria are not actively multiplying but are instead adjusting to their new environment, synthesizing necessary enzymes and molecules, and potentially repairing any damage. 

Explanation

 A device based on the photoelectric effect is called a photodiode. 

 A photodiode is a semiconductor device that converts light into electrical current by absorbing photons and generating electron-hole pairs, essentially utilizing the photoelectric effect. 

Explanation

A P-N junction is the basic structure of a diode, and how it conducts current depends on how it's connected:

Forward bias:

The positive terminal of the battery is connected to the P-side, and the negative terminal to the N-side.

This reduces the potential barrier, allowing current to flow through the junction.

Explanation

Conidia are asexual spores produced by fungi.

They are formed on specialized structures called conidiophores

They are often found at the tip of hyphae (the filamentous structures that make up the fungal body). 

Explanation

A biome is a large regional community primarily determined by climate.

Biomes are characterized by distinct plant and animal life adapted to the region's specific climate,

Including temperature and precipitation patterns.

These communities are large-scale terrestrial ecosystems, grouping ecosystems with similar climatic conditions. 

Explanation

The accused was released on bail.

"On" is often used to indicate a condition or basis for something.

So, when someone is released on bail, it means:

The person’s release is contingent upon the grant of bail.

It’s similar to other phrases like:

• on leave (چھٹی پر)
• on probation (نگرانی پر)

Explanation

The theory that all living cells are of common origin is attributed to August Weismann.