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.

In Cx(H2O)y x ranges from______________?
A 1 to 3 thousand
B 3 to many thousand
C 3 to 5 thousand
D 5 to 9 thousand
Correct Answer: 3 to many thousand
The cells present in testes and secrete testosterone are___________?
A Sertoli cells
B Germinal cell
C Interstitial cells
D Spermatocyte
Correct Answer: Interstitial cells
Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
A Extracellular
B Intracellular
C Both of these
D Glucose
Correct Answer: Extracellular
The type of learning in which there is loss or decrease in response to repeated stimuli?
A Imprinting
B Habituation
C Latent learning
D Insight learning
Correct Answer: Habituation
Keto group is represented as___________?
A CO
B C-COO-C
C HCOH
D HOH
Correct Answer: CO
Sleep movements are a type of___________?
A Turgor movements
B Growth movements
C Tactic movements
D Paratonic movments
Correct Answer: Turgor movements
How many carbon atoms are required to form a furan ring (ribofuranose)_____________?
A 3
B 4
C 5
D 2
Correct Answer: 4
In esterification OH comes from_______________?
A Organic acid
B Alcohol
C Water
D Sugar
Correct Answer: Alcohol
Which one of the following is most likely to occur in an animal during winter?
A Activation of sweat glands
B Dilation of skin blood vessels
C Panting
D Thermogenesis
Correct Answer: Thermogenesis
The one that stores calcium is __________?
A Sarcolemma
B Sarcoplasm
C Sarcoplasmic reticulum
D Cytosol
Correct Answer: Sarcoplasm