Explanation

Guttation is the exudation of liquid water droplets from the edges of leaves through special pores called hydathodes.

It usually occurs at night or early morning when soil moisture is high and transpiration is low.

Explanation

Both the Light Microscope and Transmission Electron Microscope (TEM) produce 2D images of specimens.

TEM provides high-resolution internal details.

The light microscope shows surface-level structure.

Explanation

Angiography is a medical imaging technique used to view arteries by injecting a contrast dye.

It helps diagnose blockages, aneurysms, or other vascular conditions.

Explanation

1 atmosphere (atm) is a standard unit of pressure equal to 101.325 kPa, 760 mmHg, and 760 torr.

These units are used interchangeably in measuring atmospheric pressure.

Explanation

Biometry is the application of statistical analysis to biological data.

It helps in studying health-related trends, like the number of people getting lung cancer due to smoking.

Explanation

The stomach secretes pepsin and HCl, which help in protein digestion and killing germs.

Acidic pH in the stomach destroys harmful microorganisms ingested with food.

Explanation

Octopus belongs to the phylum Mollusca, which includes soft-bodied animals often with a shell.

Mollusks include octopus, squid, clams, and snails.

Explanation

یہ حدیث رسول ﷺ کا مفہوم ہے کہ حقیقی مسلمان وہ ہے جس سے دوسرے مسلمان زبان اور ہاتھ سے محفوظ رہیں۔

اس کا مطلب ہے کہ مسلمان کو دوسروں کو نقصان پہنچانے سے بچنا چاہیے۔