

Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?
A: High specific heat of vaporization
B: High specific heat capacity
C: Its Dipole nature
D: Its liquid state
High specific heat capacity
The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called___________?
A: Specific Heat of Vaporization
B: Specific Heat capacity
C: Caloric Heat
D: Both A and C
Specific Heat capacity
The one which is present in all living things is ___________?
A: Cell nucleus
B: DNA or RNA
C: Cell membrane
D: Vacuole
DNA or RNA
The mechanism of stomatal movement is related to the branch of Biology called__________?
A: Taxonomy
B: Physiology
C: Morphology
D: Anatomy
Physiology
Which of the following substance is most favorable to form structural component of biological membranes___________?
A: Hydrophilic Carbohydrates
B: Hydrophobic fats.
C: Both a and b
D: None of these
Hydrophobic fats
Maximum number of species of living things on earth are___________?
A: Algae
B: Fungi
C: Insects
D: Protozoa
Insects
Which of the following impart a red colour to Rose petals?
A: Chloroplast
B: Chlorophyll
C: Chromoplast
D: Leucoplast
Chromoplast
Which statement is true about an aqueous medium________________?
A: Ionic as well as non ionic substance in aqueous media retains their identity
B: Enzymes can not perform catalysis reaction in this medium
C: Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions
D: It is less favorable media for chemical reactions
Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions
During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______?
A: Lysosomes
B: Primary lysosomes
C: Secondary lysosomes
D: Food vacuole
Secondary lysosomes
The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?
A: Ionic bond
B: Hydrogen bond
C: Covalent bond
D: Electrovalent bond
Covalent bond
