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.

Carbon commonly combines with______________?

A H

B N & O

C P & S

D All of these

Review Detailed Answer

Correct Answer: All of these

Triglyceride is also known as_____________?

A Natural lipid

B Neutral lipid

C Neutral wax

D All of these

Review Detailed Answer

Correct Answer: Neutral lipid

Which statement correctly describes the transcription of DNA?

A It produces another DNA molecule

B It produces mRNA

C It is a semi conservation process

D It occurs at surface of ribosomes

Review Detailed Answer

Correct Answer: It produces mRNA

The one which causes contraction of wall of the uterus during and after birth?

A ADH

B MSH

C Oxytocin

D Progesterone

Review Detailed Answer

Correct Answer: Oxytocin

The monosaccharide found in some bacteria and occurring rarely are______________?

A Trioses

B Hexoses

C Tetroses

D Pentoses

Review Detailed Answer

Correct Answer: Tetroses

The trioses which are intermediate in respiration and photosynthesis are_______________?

A Glyceraldehydes

B Dihydroxy acetone

C Both of these

D None of these

Review Detailed Answer

Correct Answer: Both of these

The first stage of development in which a cavity appears is the__________?

A Neurula

B Morula

C Gastrula

D Balastula

Review Detailed Answer

Correct Answer: Balastula

In living organisms the lubricant which provides protection against damage resulting from friction is___________?

A Carbohydrates

B Fatty acid

C Water

D Protein

Review Detailed Answer

Correct Answer: Water

The basic structural unit of a chromosome is____________?

A The centromere

B Nuceleosome

C Telomere

D Histone

Review Detailed Answer

Correct Answer: Nuceleosome

Exposure to low temperature stimulates plants to flower. This is called___________?

A Photoperiodism

B Thermotropism

C Vernalisation

D Thermoregulation

Review Detailed Answer

Correct Answer: Vernalisation

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Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

Carbon commonly combines with______________?

Triglyceride is also known as_____________?

Which statement correctly describes the transcription of DNA?

The one which causes contraction of wall of the uterus during and after birth?

The monosaccharide found in some bacteria and occurring rarely are______________?

The trioses which are intermediate in respiration and photosynthesis are_______________?

The first stage of development in which a cavity appears is the__________?

In living organisms the lubricant which provides protection against damage resulting from friction is___________?

The basic structural unit of a chromosome is____________?

Exposure to low temperature stimulates plants to flower. This is called___________?