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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

Sporogony of malaria parasite occurs in _______ ?
A Liver of man
B RBC of man
C Stomach wall of mosquito
D Salivary glands of mosquito
Correct Answer: Stomach wall of mosquito
Corolla and calyx collectively termed as___________?
A Prienth
B Hermaphrodite
C Complete flower
D Se*ual whorls
Correct Answer: Hermaphrodite
The number of daughter paramecia produced following conjugation is _______ ?
A 8 from one conjugant
B 8 from two conjugants
C 16 from two conjugants
D 8-16 from two conjugants
Correct Answer: 8 from two conjugants
Amoeba secretes digestive enzymes to hydrolyse _________ ?
A Starch
B Sugar
C Proteins
D All of these and fats
Correct Answer: All of these and fats
Ingestion of some water with food in Amoeba takes place by the process of ______ ?
A Endosmosis
B Pinocytosis
C Phagocytosis
D None of these
Correct Answer: Phagocytosis
Trisomy 21 is most common in mothers of the ________ age group.
A 15 to 19
B 20 to 34
C 35 to 39
D 40 to 45
Correct Answer: 40 to 45
The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
A Lipids
B Carbohydrates
C Amino acids
D Protein and amino acids
Correct Answer: Protein and amino acids
The hormone that helps in Parthenocarpy?
A Abscisic acid
B Cytokinin
C Ethylene
D Gibberellin
Correct Answer: Gibberellin
Which of the following ” Tikka disease” is related with the crop?
A Musturd
B Paddy
C Ground nut
D None of these
Correct Answer: Ground nut
‘Mastectomy’ is mainly associated with which of these diseases?
A AIDS
B Breast Cancer
C Tuberculosis
D Blood Cancer
Correct Answer: Breast Cancer
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