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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.

All Topics  1525

Carbon commonly combines with______________?
A H
B N & O
C P & S
D All of these
Correct Answer: All of these
Triglyceride is also known as_____________?
A Natural lipid
B Neutral lipid
C Neutral wax
D All of these
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
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
Correct Answer: Oxytocin
The monosaccharide found in some bacteria and occurring rarely are______________?
A Trioses
B Hexoses
C Tetroses
D Pentoses
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
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
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
Correct Answer: Water
The basic structural unit of a chromosome is____________?
A The centromere
B Nuceleosome
C Telomere
D Histone
Correct Answer: Nuceleosome
Exposure to low temperature stimulates plants to flower. This is called___________?
A Photoperiodism
B Thermotropism
C Vernalisation
D Thermoregulation
Correct Answer: Vernalisation
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