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NEET Preparation Practice MCQ for Students
Identify an organelle with an internal cross-section showing a characteristic “9 + 2” array.
(A) Cytoskeleton
(B) Microfilament
(C) Cilium or flagellum
(D) Microtubule
Option c – Cilium or flagellum
Identify the non-protein enzyme from the following.
(A) Ligases
(B) Trypsin
(C) Pepsin
(D) Ribozyme
Option d – Ribozyme
Chlorophyll is present in……. of the chloroplasts.
(A) outer membrane
(B) inner membrane
(C) thylakoids
(D) stroma
Option c – thylakoids
In which of the following intercalated discs are found?
(A) Unstriped muscles
(B) Cardiac muscles
(C) Striped muscles
(D) Tendons
Option b – Cardiac muscles
……… structures are formed by the stacking of organized flattened membranous sacs in the chloroplasts.
(A) Stroma
(B) Grana
(C) Stroma lamellae
(D) Cristae
Option b – Grana
……. constitutes the making and breaking reactions of biomolecules.
(A) Exergonic reactions
(B) Thermophilic reactions
(C) Metabolism
(D) Exothermic reactions
Option c – Metabolism
……… chromosome has a centromere near the end.
(A) Acrocentric
(B) Sub-metacentric
(C) Metacentric
(D) Telocentric
Option a – Acrocentric
From the following choose the correctly matched pair.
(A) Cartilage – Loose connective tissue
(B) Areolar tissue – Loose connective tissue
(C) Adipose tissue – Dense connective tissue
(D) Tendon – Specialized connective tissue
Option b – Areolar tissue – Loose connective tissue
Which of the following metabolic pathway converts glucose to lactic acid?
(A) Krebs cycle
(B) Gluconeogenesis
(C) Anabolic pathway
(D) Glycolysis
Option d – Glycolysis
Why the head of the cockroach shows great mobility in all directions?
(A) Because the head is formed by the fusion of six segments.
(B) Because the head bears appendages.
(C) Because the head capsule bears a pair of compound eyes.
(D) Because the head is attached to the thorax through a flexible neck like a prothorax.
Option d – Because the head is attached to the thorax through a flexible neck like a prothorax.
A carbohydrate show presence of
(A) C and H
(B) C, H, N, and O
(C) C, H, and O
(D) C and O
Option c – C, H, and O
The rough endoplasmic reticulum bears
(A) peroxisomes
(B) centrioles
(C) lysosomes
(D) ribosomes
Option d – ribosomes
The chitinous exoskeleton of arthropods is formed by the polymerization of
(A) proteoglycans
(B) N-acetylglucosamine
(C) lipoglycans
(D) keratin sulfate and chondroitin sulfate
Option b – N-acetylglucosamine
Identify the organelle whose major function is the storage of hydrolytic enzymes.
(A) Chloroplasts
(B) Chromoplasts
(C) Lysosomes
(D) Centrioles
Option c – Lysosomes
Which of the following is the correctly matched pair?
(A) Tubular parts of nephrons – Cuboidal epithelium
(B) Moist surface of buccal cavity – Glandular epithelium
(C) Inner surface of bronchioles – Squamous epithelium
(D) Inner lining of salivary ducts – Ciliated epithelium
Option a – Tubular parts of nephrons – Cuboidal epithelium
Identify the bond which helps in linking monosaccharides present in a polysaccharide.
(A) Phosphoester bond
(B) Hydrogen bond
(C) Peptide bond
(D) Glycosidic bond
Option d – Glycosidic bond
Which of the following is TRUE regarding the vacuole present in a plant cell? ( Neetprep MCQ )
(A) It lacks a membrane and contains air.
(B) It is membrane-bound and contains water and excretory substances.
(C) It is membrane-bound and contains storage proteins and lipids.
(D) It lacks a membrane and contains water and excretory substances.
Option b – It is membrane-bound and contains water and excretory substances.
One glycerol and three fatty acid molecules form
(A) protein
(B) nucleic acid
(C) fats
(D) nucleotide
Option c – fats
…….. is the correct pair of pyrimidine bases.
(A) Adenine and Guanine
(B) Thymine and Cytosine
(C) Adenine and Thymine
(D) Guanine and Cytosine
Option b – Thymine and Cytosine
From the following which gives two molecules of glucose on hydrolysis?
(A) Maltose
(B) Lactose
(C) Sucrose
(D) Galactose
Option a – Maltose
From the following identify the main difference between plant and animal cells.
(A) Animal cells lack a cell wall
(B) Plant cells lack cell membrane
(C) Animal cell has a rigid cell wall
(D) Plant cell has no cell wall
Option a – Animal cells lack a cell wall
Identify the R group in amino acid serine.
(A) Methyl
(B) Carboxyl
(C) Hydrogen
(D) Hydroxymethyl
Option d – Hydroxymethyl
Plant cells vary from animal cells in having
(A) Golgi body
(B) centrosome
(C) cell membrane
(D) plastid
Option d – plastid
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