M C Q s D r i v e

Biology 1525 MCQs [All-Courses]

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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.

Okazaki fragments are connected together through action of_________________?
A Primase
B Polymerase
C Helicase
D Ligase
Correct Answer: Ligase
Yellow cytoplasm in ascidian gives rise to______________?
A Epidermis
B Muscle cells
C Gut
D Notochord
Correct Answer: Muscle cells
Test cross is used to find_____________?
A Trait
B Phenotype
C Genotype
D Ratios
Correct Answer: Genotype
An example of codominance is______________?
A A’ blood group
B B’ blood group
C O’ blood group
D AB’ blood group
Correct Answer: B’ blood group
The stent energy in the form of ADP is regenerated by mitochondria into__________?
A AMP
B ADP
C ATP
D All of these
Correct Answer: ATP
Yellowish glandular structure which produces progesterone is_____________?
A Graffian follicle
B Ovary
C Corpus luteum
D Placenta
Correct Answer: Corpus luteum
Secretin inhibits production of__________________?
A Gastric juice
B Pancreatic juice
C Bile
D All of these
Correct Answer: Gastric juice
Which of the following is not present in mitochondria?
A Enzymes
B Co-enzymes
C Ribosomes
D Thylakoids
Correct Answer: Thylakoids
Far-red light promotes flowering in_______________?
A Short day plant
B Long day plant
C Day neutral plant
D None of these
Correct Answer: Short day plant
Ribosomes are assembled in__________?
A Nucleolus
B Nucleus
C DNA
D RNA
Correct Answer: Nucleolus