Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Vacuoles are fluid filled sacs surrounded by a membrane called__________?
A: tonoplast
B: nuclear membrane
C: cell membrane
D: cell wall
tonoplast
During the process of cell division which of the following divides first?
A: cytodplasm
B: vacuoles
C: mitochondria
D: nucleus
nucleus
Which of the following manufactures carbohydrates by the process of photosynthesis?
A: chloroplast
B: chromoplast
C: leucoplast
D: All of these
chloroplast
Diatomaceous earth is used for making __________?
A: Fertilizers
B: Weedicides
C: Insecticides
D: Fire proof bricks
Fire proof bricks
Diatoms stay afloat due to___________?
A: Flagella
B: Stored lpids
C: Pseudopodia
D: All of these
Stored lpids
Cell wall is richly impregnated with silica in__________?
A: Rhodophyta
B: Phaeophyta
C: Baciliariophyta
D: Euglenophyta
Baciliariophyta
The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?
A: Diatoms
B: Desmids
C: Pyrrophyta
D: Chlorophyta
Diatoms
Unlike other algae, diatoms do not readily decay due to___________?
A: Nonliving cells
B: Siliceous wall
C: Mucilaginous wall
D: Water proof cell
Siliceous wall
Cell wall is extremely well preserved in fossil specimens in__________?
A: Diatoms
B: Dinoflagellates
C: Slime moulds
D: None of these
Diatoms