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Q381: Venom gland in reptile are modified ______ gland.

رینگنے والے جانوروں میں زہر غدود میں ترمیم کی گئی ہے ______ غدود۔

Nasal

Salivary

Pituitary

None of these

Explanation

In reptiles, venom glands are modified salivary glands.

It producing toxic secretions for prey capture or defense.

These glands are especially developed in snakes and some lizards.

Q382: The part of insect below vertex and forms the face of insect is _____?

کیڑے کا کون سا حصہ اوپر کے نیچے اور کیڑے کا چہرہ تشکیل دیتا ہے؟

Occiput

Gena

Frons

None of these

Explanation

The frons is the part of an insect's head located below the vertex.

It forming the face of the insect.

It plays a role in the sensory and visual functions of the insect.

Q383: The greater amount of DNA in a cell of an individual shows that it is _______?

کسی فرد کے سیل میں ڈی این اے کی زیادہ مقدار سے پتہ چلتا ہے کہ یہ _______ ہے؟

Highly evolved organism

Primitive organism

Lower organism

None of these

Explanation

A greater amount of DNA in a cell of an individual typically indicates a highly evolved organism.

Complex organisms tend to have larger genomes with more genes, resulting in a larger amount of DNA compared to simpler organisms.

Q384: A semi-indispensable amino acid for human consumption is ______?

انسانی استعمال کے لئے ایک نیم دیسی امینو ایسڈ ______ ہے؟

Leucine

Arginine

Valine

None of these

Explanation

Arginine is a semi-indispensable (conditionally essential) amino acid.

It means the body synthesizes it but may require dietary intake in certain conditions.

It plays a crucial role in protein synthesis, immune function, and nitric oxide production.

Q385: What is the disease pertussis commonly known as ?Poliomyelitis, Whooping cough, Cholera, Hepatitis

Poliomyelitis

Whooping cough

Cholera

Hepatitus

Explanation

Pertussis is commonly known as whooping cough.

What it is:

Pertussis is a highly contagious bacterial disease of the respiratory tract.

Cause:

It's caused by the bacterium Bordetella pertussis.

How it spreads:

It spreads through droplets produced when an infected person coughs or sneezes

Q386: Swarm is a group of _______?

بھیڑ _______ کا ایک گروپ ہے؟

Insects

Flowers

Vegetables

None of these

Explanation

A swarm typically refers to a large group of insects, especially flying ones like bees or locusts.

The term is used to describe their collective movement or behavior.

Q387: Which of the following is a characteristic of horny structures that do not shed off?

Scales of reptiles

Feathers of birds

Horns of cattle

Fur of mammals

Explanation

Horny structures, like the horns of cattle, are made of keratin and do not shed off.

Unlike antlers, which are shed annually, horns are permanent structures that continue to grow throughout the animal's life

The other options—scales, feathers, and fur—are either shed or replaced regularly.

Q388: In cow, normal presentation at birth is ______?

گائے میں ، پیدائش کے وقت معمول کی پیش کش ______ ہے؟

Transverse

Posterior

None of these

Explanation

In cows, the normal presentation during birth is anterior—forelimbs and head come out first.

This position ensures easier passage through the birth canal and reduces risk of complications.

Q389: A change in the frequency of alleles is population over time is called _______?

ایللیس کی تعدد میں تبدیلی کیا وقت کے ساتھ ساتھ آبادی کو _______ کہا جاتا ہے؟

Evolution

Microevolution

Mega-evolution

None of these

Explanation

Microevolution refers to small-scale changes in allele frequencies within a population over time due to mutation, selection, gene flow, or genetic drift.

It occurs over short generations.

It is the basis for evolutionary processes.

Q390: Which of the following is named as mosquito hawk?

مندرجہ ذیل میں سے کس کو مچھر ہاک کے نام سے منسوب کیا گیا ہے؟

Fruit fly

Butter fly

Dragon Fly

None of these

Explanation

The dragonfly is commonly referred to as a "mosquito hawk".

Because it preys on mosquitoes and other small insects.

Dragonflies are effective at controlling mosquito populations due to their hunting behavior.

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