SMART INSTITUTE NMDCAT BIOLOGY 1ST HALF
NMDCAT Biology Quiz
Welcome to the NMDCAT Biology Quiz! This comprehensive quiz is designed for students preparing for the NMDCAT examination. Test your knowledge on various biological concepts and enhance your understanding.
- Covering key topics in cell biology, physiology, and more.
- Ideal for test preparation.
- Engaging format to help reinforce learning.
1-The type of cytoskeletal proteins that play important role in assembly and disassembly of spindle during mitosis
Microtubules
Microfilaments
Intermediate filaments
Actin and tropomyosin
2-Nucleolus contains
Ribosomal precursor
Protein precursor
Polysome
Lipid precursor
3-Protein glycosylation occurs in
Lumen of mitochondria
Lumen of S.R.E
Lumen of R.E.R
Lumen of lysosome
4-An organelle having its own DNA, ribosomes and protein formation indicate that organelle is
Self replicating
Self indicating
Self twisting
Self reproducing
5-Cuticle is an example of
Acylglycerols
Phospholipids
Waxes
Terpenoids
6-Cross links of double helix of DNA are formed of
Sugar molecules
Phosphate radicals
Complementary nitrogen base
Similar nitrogen bases
7-Specificity of an enzyme is determined by
No. And sequence of amino acids
Charge on substrate
PH of environment
Charge and shape of active site
8-Inhibitors which block the enzyme by forming weak bond are called
Competitive inhibitors
Irreversible inhibitors
Non-competitive inhibitors
Reversible inhibitors
9-Formation of a trisaccharide involves release of......water molecules.
01
02
03
04
10-How many kinds of amino acids are present in the cell?
170
20
25
3000
11-Unsaturated fatty acids may contain double bonds upto
1
2
6
7
12-Number of phosphodiester bonds in ATP molecule
1
2
3
0
13-In which step of life cycle of bacteriophage, tail releases enzyme lysozyme
Attachment
Penetration
Adosrption
Injection
14-HIV is
Retrovirus
RNA tumor virus
Oncovirus
All
15-The phenomenon of integration in HIV life cycle occurs in
Nucleus
Cytoplasm
Inside viral capsid
None of these
16-In proterostomia and deuterostomia cleavge is.........respectively
Indeterminate and spiral
Indeterminate and determinate
Spiral and radial
Determinate and radial
17-That can be divided into equal parts by imaginary lines is
Sea anemone
Coral
Planaria
Scolymastra
18-In coelomates, gut is lined externally by:
Visceral mesoderm
Splanchinic mesoderm
Parietal mesoderm
Endoderm
19-Where is protein digestion completed?
Stomach
Ileum
Rectum
Duodenum
20-Stomach can be labeled as ......organ.
Endocrine
Exocrine
Autocrine
Both endo and exocrine
21-The total length of small intestine is approximately
6 m
9 m
8 m
11 m
22-The process of swallowing also called as
Deglutition
Digestion
Ingestion
Engulfment
23-Percentage of O2 transported through plasma
3 %
70 %
97 %
30 %
24-Which of the following statements is correct?
Insipiration is an active process
Expiration
Insipiration
Both expiration and insipiration are passive processes
25-Opening from nose to throat is closed by
Epiglottis
Soft palate
Esophageal sphincter
Tongue
26-Which of the following correctly ordered the binding affinities of gases with haemoglobin
CO>CO2>O2
O2>CO2>CO
CO2.O2>CO
O2>CO2>CO
27-Which of the following factors does not alter the rate of breathing by influencing the chemoreceptors in medulla oblongata, aorta and cardotid artery
CO2 partial pressures in the blood
O2 partial pressures in the blood
H+ concentrate in the blood
Blood glucose level
28-In addition to secreting the surfactant the alveolar cells serves as
Stem cells
To make new alveolar cells
Regenerate themselves
Phagocytic cells
29-Tricuspid valve is found in between
Sinus venous and right atrium
Right atrium and right ventricle
Left ventricle and left atrium
Right ventricle and aorta
30-S.A node is present at
Upper end of R.A
Inter ventricle septum
Inter atrial septum
Atrio-ventricle septum
31-Myocardium of heart shows ......characters.
Smooth and involuntry
Striated and involuntry
Smooth and voluntry
Striated and voluntry
32-After taking too much fat the lymph consist of how much fat globules
10 %
20 %
1 %
8 %
33-Mitral valve prevent the flow of blood from
Right atrium to right venricles
Right atrium to left atrium
Left atrium to left ventricle
Left ventricles to left atrium
34-Lymph flows in the lymph vessels due to
Blood pressure
Presence of valve
Contraction and relaxtion of heart
Gravity
35-In humans only .............systemic arch is present
Left
Right
Superior
Inferior
36-The portion of heart which is always redy to be pacemaker if SA node stop working is
Bundle branch
Ventricle muscles
AV nodes
Atrial muscles
37-Plasma cells are produced from
B lytmphocytes
T lymphocytes
Macrophages
Neutrophils
38-Immunity is mostly lost in all conditions except
SCID
Cystic fibrosis
AIDS
Leukemia
39-Lymph drain into lymph nodes via
Single afferent vessel
Many afferent vessels
Single efferent vessel
Many efferent vessels
40-The casparian strip separates the extracellular space in the root into..... compartments
1
2
3
4
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