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.

Autophagosomes are____________?

A Those lysosomes which eat parts of their own cells to generate energy.

B Those lysosomes which eat old and worn out cellular organelles.

C Lysosomes which help in extracellular digestion

D Both a and b

Review Detailed Answer

Correct Answer: Both a and b

Number of cervical vertebrae is_____________?

A 5

B 7

C 9

D 12

Review Detailed Answer

Correct Answer: 7

Humming bird is an example of________________?

A Cold blooded animal

B Ectotherm

C Endotherm

D Heterotherm

Review Detailed Answer

Correct Answer: Heterotherm

Cellulose is the major component of__________?

A Primary wall

B Secondary wall

C Middle lamella

D all of the above

Review Detailed Answer

Correct Answer: Primary wall

Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?

A Rhizobium

B Nitrosomonas

C Nitrobacter

D Pseudomonas

Review Detailed Answer

Correct Answer: Nitrosomonas

Annual rainfall in grassland is about_____________?

A More than 2500 mm

B 750-1500 mm

C 250-750 mm

D Less than 250 mm

Review Detailed Answer

Correct Answer: 250-750 mm

The first layer of cell wall which is formed is___________?

A Primary wall

B Secondary wall

C Middle lamella

D All of these

Review Detailed Answer

Correct Answer: Primary wall

The productivity of aquatic ecosystem is basically determined by light and____________?

A CO2

B O2

C Water

D Nutrients

Review Detailed Answer

Correct Answer: Nutrients

Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?

A Active transport

B Passive transport

C Co-transport

D Counter transport

Review Detailed Answer

Correct Answer: Passive transport

Ecosystem not found in Pakistan is_____________?

A Tropical rain forest

B Temperate deciduous forest

C Grassland

D Tundra

Review Detailed Answer

Correct Answer: Tropical rain forest

Showing 151 to 160 of 1525 results

Contact Info

Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

Autophagosomes are____________?

Number of cervical vertebrae is_____________?

Humming bird is an example of________________?

Cellulose is the major component of__________?

Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?

Annual rainfall in grassland is about_____________?

The first layer of cell wall which is formed is___________?

The productivity of aquatic ecosystem is basically determined by light and____________?

Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?

Ecosystem not found in Pakistan is_____________?