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Cell Structure And Function Mock Tests

64 questions available

Cell Structure And Function Mock Test 1

Questions: 30

Cell Structure And Function Mock Test 2

Questions: 30

Cell Structure And Function Mock Test 3

Questions: 4

नमूना प्रश्न

NEET Biology
Crossing over between non-sister chromatids of homologous chromosomes occurs during which stage of meiosis?
A Pachytene of prophase I
B Leptotene of prophase I
C Diplotene of prophase I
D Metaphase I
NEET Biology
Which of the following is the correct statement about the structure of a cell membrane according to the fluid mosaic model?
A Proteins are embedded within a bilayer of phospholipids, with both lipids and proteins able to move laterally
B Proteins form a continuous layer on both sides of a phospholipid bilayer
C Phospholipids are arranged in a single layer with proteins attached to the surface
D Cholesterol is the main structural component of the cell membrane
NEET Biology
Which of the following structures is found in a prokaryotic cell but NOT in a eukaryotic cell?
A Mesosome
B Mitochondria
C Endoplasmic reticulum
D Golgi apparatus
NEET Biology
Which of the following statements about lysosomes is INCORRECT?
A Lysosomes contain hydrolytic enzymes that function optimally at acidic pH
B Lysosomes are single membrane-bound organelles
C Lysosomal enzymes are synthesized in the smooth endoplasmic reticulum
D Lysosomes can digest worn-out organelles through autophagy
NEET Biology
Autophagy is a cellular process where lysosomes digest worn-out or damaged organelles. Which of the following best describes the sequence of events in autophagy?
A Damaged organelle → phagosome formation → fusion with lysosome → digestion by hydrolytic enzymes
B Damaged organelle → fusion with Golgi → secretion outside the cell
C Lysosome releases enzymes outside the cell → extracellular digestion
D Endoplasmic reticulum wraps around organelle → forms secretory vesicle
NEET Biology
In the cell cycle, the G₀ (G-zero) phase is entered by cells that:
A have completed DNA replication and are preparing for mitosis
B have exited the cell cycle and stopped dividing, often performing their specialized functions
C are actively undergoing cytokinesis
D have damaged DNA and are arrested at the G₁ checkpoint
NEET Biology
Which of the following pairs of structures is found in both plant and animal cells?
A Centrioles and lysosomes
B Central vacuole and chloroplasts
C Ribosomes and mitochondria
D Cell wall and plasmodesmata
NEET Biology
Which of the following is a correct statement about the structure of a nucleotide?
A A nucleotide consists of a nitrogenous base, a pentose sugar, and a phosphate group
B A nucleoside consists of a nitrogenous base and a phosphate group
C A nucleotide consists of a nitrogenous base and a pentose sugar only
D A nucleoside consists of a pentose sugar and a phosphate group

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