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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.

Number of chromosomes in E.coli ?

A 1

B 2

C 4

D 6

Review Detailed Answer

Correct Answer: 1

Astronauts may use which technique to grow fruits and vegetables ?

A Tissue culture techniques

B Cloning

C Pasterisation

D Hydroponic culture technique

Review Detailed Answer

Correct Answer: Hydroponic culture technique

Messenger RNA is formed in_________?

A nucleus

B chloroplast

C mitochondria

D none of these

Review Detailed Answer

Correct Answer: nucleus

Co-enzyme is often formed from ?

A lipid

B protein

C inorganic ion

D vitamin

Review Detailed Answer

Correct Answer: vitamin

Breeders have developed new and better varieties of food items by using which technique?

A Pasteurization

B Hydroponic culture technique

C Genetic engineering

D Biological control techniques

Review Detailed Answer

Correct Answer: Genetic engineering

Starch is converted into maltose by?

A diastase

B invertase

C maltase

D amylase

Review Detailed Answer

Correct Answer: diastase

Conclusion of Mendels work latter became a_____________?

A Scientific hypothesis

B Theory

C Scientific law

D Productive theory

Review Detailed Answer

Correct Answer: Scientific law

Which one is not correct for a productive theory?

A It is predictive

B It has explanatory power

C It discourages suggestion of different hypotheses

D None of these

Review Detailed Answer

Correct Answer: It discourages suggestion of different hypotheses

Which are the four most abundant elements in living cells ?

A carbon, oxygen, nitrogen, sulfur

B carbon, oxygen, hydrogen, nitrogen

C carbon, oxygen, sulfur, phosphorus

D carbon, sulfur, hydrogen, magnesium

Review Detailed Answer

Correct Answer: carbon, oxygen, hydrogen, nitrogen

A series of hypothesis supported by the results of many tests is called ?

A Scientific law

B Theory

C Data

D Deduction

Review Detailed Answer

Correct Answer: Theory

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Biology 1525 MCQs [All-Courses]

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All Topics 1525

Number of chromosomes in E.coli ?

Astronauts may use which technique to grow fruits and vegetables ?

Messenger RNA is formed in_________?

Co-enzyme is often formed from ?

Breeders have developed new and better varieties of food items by using which technique?

Starch is converted into maltose by?

Conclusion of Mendels work latter became a_____________?

Which one is not correct for a productive theory?

Which are the four most abundant elements in living cells ?

A series of hypothesis supported by the results of many tests is called ?