Biology 1525 MCQs [All-Courses]

Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

Which of the following fishes excrete large volume of diluted urine?

A Bony Marine fishes

B Fresh water fishes

C Both depending upon the surrounding water

D None of these

Review Detailed Answer

Correct Answer: Fresh water fishes

The characteristic which enable animals to tolerate dehydration is called__________?

A Osmoconformation

B Osmoregulaton

C Anhydrobiosis

D Anhydrosis

Review Detailed Answer

Correct Answer: Anhydrobiosis

Which of the following structure in plant’s body is called excretophores?

A Stem

B Leaves

C Flowers

D Roots

Review Detailed Answer

Correct Answer: Leaves

Thermostat of human body is present in__________?

A Fore brain

B Hind Brain

C Thalamus

D Hypothalamus

Review Detailed Answer

Correct Answer: Hypothalamus

Production of pyrogens is a __________ phenomenon?

A Protective

B Destructive

C Constructive

D Aggressive

Review Detailed Answer

Correct Answer: Protective

Blubber a thick layer of fat is present in___________?

A Fresh water mammals

B Terrestrial mammals

C Marine Mammals

D Flying mammals

Review Detailed Answer

Correct Answer: Marine Mammals

Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?

A Endotherms

B Ectotherms

C Heterotherms

D Homeotherms

Review Detailed Answer

Correct Answer: Heterotherms

On which of the following site the posterior pituitary hormone acts predominantly?

A Proximal convoluted tubule

B Descending limb of loop of Henle

C Ascending limb of loop of Henle

D Collecting tubules

Review Detailed Answer

Correct Answer: Collecting tubules

Each human kidney receives _______% of total cardiac out put?

A 10%

B 20%

C 30%

D 40%

Review Detailed Answer

Correct Answer: 20%

Excessive lactic acid is converted into __________ by liver?

A Glucose

B Fructose

C Sucrose

D Glycogen

Review Detailed Answer

Correct Answer: Glycogen

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Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

Which of the following fishes excrete large volume of diluted urine?

The characteristic which enable animals to tolerate dehydration is called__________?

Which of the following structure in plant’s body is called excretophores?

Thermostat of human body is present in__________?

Production of pyrogens is a __________ phenomenon?

Blubber a thick layer of fat is present in___________?

Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?

On which of the following site the posterior pituitary hormone acts predominantly?

Each human kidney receives _______% of total cardiac out put?

Excessive lactic acid is converted into __________ by liver?