SMART INSTITUTE NMDCAT BIOLOGY 2ND HALF
NMDCAT Biology Quiz - 2nd Half
Challenge your knowledge of biology with our NMDCAT quiz designed specifically for the 2nd half of the syllabus! This quiz contains 40 multiple-choice questions that cover essential topics in biology, making it an ideal revision tool for students preparing for their exams.
Key Features:
- 40 carefully crafted questions
- Instant feedback on your answers
- Track your progress and improvement
1-Cross bridges are the part of
Actin
Tropomyosin
Troponin
Myosin
2-Phagocytic cells of bone are called as
Fibroblast
Osteoblast
Osteoclast
Osteocyte
3-Which of the following band allows most of the light to pass through it?
A-band
I-band
Muscle bundle
Muscle fiber
4-Fatigue is not possible in
Skeletal muscles
Cardiac muscles
Circular smooth muscle
Longitudinal smooth muscle
5-What is required for striated muscles to contract
Release of Ca++ from troponin
Binding of Ca++ to troponin
Binding of Ca++to tropomyosin
Release of Ca++ from tropomyosin
6-Diameter of each myofibril
2 micrometer
100 nanometer
10 micrometer
100 micrometer
7-Myelin sheath is the covering of
Muscle cell
Axon
Blood vessels
Osteocyte
8-Part of motor neuron which makes synapse with sarcolemma is
Motor unit
Dendron
Axon
Dendron and axon
9-Microscopic gap between the neurons is called as
Synapse
Collapse
Synaptic cleft
Presynapse
10-Which of the following membrane potential depicts hyperpolarization?
-50 mV
+50 mV
-90 mV
-70 mV
11-Depolarization is the result of
Influx of K+
Efflux of K+
Influx of Na+
Efflux of Na+
12-Dorsal root of a spinal nerve contains
Motor nerve fibers
Mixed nerve fibers
Sensory nerve fibers
No nerve fibers
13-Collection of cell bodies of neurons in CNS is known as
Ganglion
Narve
Nuclei
Tract
14-All of the following are common between brain and spinal cord except
Protected by skeletal muscles
Protected by meninges
Nutrients from CSF
CSF production in ventricles
15-Follicular atresia is the degeneration of
Primary oocyte
Primary follicles
1st polar body
2nd polar body
16-LH in males mainly acts on
Epididymis
Interstitial cells
Sertoli cells
Germinal epithelium
17-Structure that is formed at the site of ovulation
Placenta
Corpus luteum
Graffian follicle
Primary oocyte
18-Causative agent of syphilis is identified as
Bacilus
Coccus
Coccobacilus
Spirochete
19-All of the following contribute to the formation of semen except
Seminal vesicles
Prostate gland
Cowper's gland
Vas deferens
20-All of the following structures are paired except
Testes
Bulbourethral
Seminal vesicle
Prostate gland
21-Secretion of estrogen is under the control of
FSH
PROGESTERONE
LH
STH
22-Milk production is the function of
Oxytocin
ADH
PROLACTIN
LH
23-All of the following are releasing factor except
CRF
PIF
TRF
SRF
24-Term master gland is ued for
Anterior pituitary
Posterior pituitary
Median pituiatry
Pituitary gland
25-The pituitary gland is also called as
Adenohypophysis
Neurohypophysis
Hypophysis cerebri
Epiphyses cerebri
26-If estrogen is deficient then possible reason would be less amount of
Testosterone
Oxytocin
FSH
ICSH
27-The molecules regenerated by fermentation
O2
NAD+
ATP
PYRUVATE
28-NADP reductase transfers electron from
NADP+ to ferridoxin
ADP to ATP
Ferridoxin to NADP+
Cytochrome complex to NADP+
29-Phosphorylation of ADP during glycolysis occurs via
Photophosphorylation
Chemiosmosis
Oxidative phosphorylation
Substrate level phosphorylation
30-For evolutionary success, mutations must occur in
Somatic RNA
Germ cell DNA
Somatic DNA
Germplasm RNA
31-Production of more individuals than the environment can lead to
Struggle for existence
Survival of the fittest
Natural selection
Evolution
32-According to Darwin, finches found on Galapagos island had distinct characteristics due to
Geographical isolation
Developmental anamoly
Special creation
Inheritance of acquired characteristics
33-Comparative anatomy supports that evolution is a ....... Process in which ancestral structures that functioned in one capacity become modified as they take on new function.
Continuous
Remodeling
Discontinuous
Complete
34-Darwin perceived origin of new species and ............
Fixation
Adaptations
Stabilization
Maladaptation
35-Product of evolution is
Ecosystem
Biome
Community
Species
36-A woman can suffer from hemophilia A if she is
Homozygous dominant
Heterozygous
Homozygous recessive
Hypophosphatemic rickets
37-An allele is recessive if it is expressed in
F 1 generation
Homozygous combination and heterozygous combination
Homozygous combination only
Heterozygous combination
38-The haploid chromosome number in pea is
7
14
8
10
39-The number of linkage groups in human
23
46
92
96
40-Negative charge on DNA is due to
Base
Phosphate groups
OH- groups
Sugar molecules
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