MCQ Biology - Learning Biology through MCQs

Biology Multiple Choice Questions and Answers for Different Competitive Exams

MCQ on Horticulture

1. Which of the following indoor plants is poisonous?
a) Cordline
b) Chlorophylum
c) Dieffenbachia
d) Draceana

2. In a formal garden the imaginary central line is known as
a) focal point
b)Hedges
c)Axis
d)Edges

3. Ixora can be classified into which of the following ?
a)Herbs
b)Shrubs
c)Trees
d)Climbers

4. Technique to control shape, size and direction of plant growth is known as
a) training
b)topiary
c)thinning
d)Dis budding

5. The best method to propagate a good quality jack fruit tree is
a)seed propagation
b)tongue grafting
c)approarch grafting
d)Layering

6. Rooting chemical Rootex contains
a)IAA
b)IBA
c)kINETIN
d)2, 4-D

7. Plant suitable for Pergolas among the following
a)Jasmine
b)Casuarina
c)Tuja
d)Phyllanthus

8. Chamber used to perform tissue culture operation in aseptic conditions
a)laminar air flow
b)autoclave
c)alcohol lamps
d)culture medium

9. Small pierce of plant used to begin tissue culture is termed
a) ex plant
b)mother plant
c)root stock
d)scion

10. Mushroom is the fruiting body of
MCQ on Horticulture
a) virus
b)fungus
c)phytoplasma
d)bacteria
Answers
1.c) Diffenbachia
2.c)Axis
3.b)Shrubs
4.a) training
5.c)approarch grafting
6. b)IBA
7. a)Jasmine
8. a)laminar air flow
9. a) ex plant
10. b)fungus
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Multiple Choice Question on Molecular Evolution

1. The age of earth is estimate to be about
a)10000 years old
b)4-5 billion years ago
c)600 million year old
d)10-20

2. Which one of the following are Archaebacteria?
a)Actinomycetes
b)Pseudomonas
c)Rickettisae
d)Methanogens

3.Formation of most amino acids as well as adenine and other nucleic acid bases from inorganic molecules was experimentally shown by
Urey Miller experiment - MCQ on Molecular Evolution

a) Hugo de vries
b) Urey and Miller
c) Oparin and Haldane

d)Pasteur

4. The most primitive extant eukaryotes belong to the genus
a)plasmodium
b)tetrahymena
c)chlamydomonas
d)Giardia

5. Cambrian Explosion refers to
a) Origin of life
b)Origin of phyla
c) Origin of man
d)extinction of Dinosaurs

6. Which of the following statement cannot be support the endosymbiotic theory for the orgin of mitochondria?
a)Mitochondria DNA has a circular genome
b)mitochondrial ribosomes are inactivated by the antibiotic chloramphenicol
c)mitochondrial genes code for enzymes of oxidative respiration
d)mitochondrial ribosomes are 70s

7. Aerobic respiration is thought to have first appeared in some organisms of approximate age
a)1.0-1.5bp
b) 2.0-2.5bp
c)3.0-3.5bp
d)3.5-4.0bp

8. Which of the following process offers the greatest opportunities for accelerating the evolution of new useful proteins?
a)exon shuffling
b)intron excisions
c)transposons insertions
d)DNA amplification

9. The correct chronological sequences of geological times is
a) Devonian, Carboniferous, Cretaceous, Eocene
b) Eocene, Devonian, Carboniferous, Cretaceous
c) Devonian, Carboniferous, Eocene ,Cretaceous
d) Carboniferous, Devonian, Cretaceous, Eocene

10. The extant bacterial group that is most closely related to the ancestor from which mitochondria evolved is
a)purple photosynthetic bacteria
b)archaebacteria
c)cyanobacteia
d)methanogens

Learn more: MCQ on Zoology (Animal Science)
Answers:
1. b)4-5 billion years ago
2. d)Methanogens
3. b) Urey and Miller
4. d)Giardia
5.b) Origin of phyla
6. c)mitochondrial genes code for enzymes of oxidative respiration
7. b) 2.0-2.5bp
8.a)exon shuffling
9. a) Devonian, Carboniferous, Cretaceous, Eocene
10.a)purple photosynthetic bacteria
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10 Multiple Choice Questions on Microscope

1. The first microscope was invented by
a) Robert Hooke
b) Knoll and Ruska
c) Kepler and Galileo
d) Zacharias Janssen
2. Electron microscope was made by
a) Robert Hooke
b) Knoll and Ruska
c) Kepler and Galileo
d) F. Janssen and Z. Janssen
3. Class room microscope was invented by
a) Robert Hooke
b) Knoll and Ruska
c) Kepler and Galileo
d) F. Janssen and Z. Janssen
4. As compared to light microscope, the resolving power of electron microscope is
a) 5 times
b)  10 times
c)  100 times
d)  1000 times
5. Scanning electron microscope is important for its image which are
a) two dimensional
b) three dimensional
c) very large and sharp
d)fluorescent
6.  High magnification of electron microscope is due to
a) high voltage
b)vaccum
c) electronmagnets
d) electron beam
7. Which of the following microscope is best for studying the process of mitosis?
a)electron microscope
b)dark field microscope
c) phase contrast microscope
d)all of the above
8. Resolving power of light microscope is
a)0.2 micrometer
b) 0.4 micrometer
c) 1 angstrom
d) 10 angstrom
9. The simple microscope has the resolution of
a)0.1mm
b)1 mm
c)10 mm
d)100 mm
10. A compound microscope has how many lenses
a) 1
b) 2
c) 3
d)4
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NEET Biology MCQ 2017

NEET Biology Multiple Choice Questions and Answers           NEET Biology Previous Questions
NEET Biology MCQ 2017

Unit: 1  Diversity in Living World
Multiple Choice Questions (MCQ)
Online Test
Kingdom Animalia 
Unit:2 Structural Organisation in Animals and Plants
Multiple Choice Questions (MCQ)
Online Test
Angiosperms
Unit: 3 Cell Structure and Function
Multiple Choice Questions (MCQ)
Online Test
Biomolecules (Set 1/ Set 2)

Unit: 4  Plant Physiology
Multiple Choice Questions (MCQ)
Online Test
  • Plant-Water Relations

Unit:5  Human Physiology
Multiple Choice Questions (MCQ)
Online Test
Unit: 6 Reproduction
Multiple Choice Questions (MCQ)
Online Test
Unit: 7 Genetics and Evolution
Multiple Choice Questions (MCQ)
Online Test
Unit: 8 Biology and Human Welfare
Multiple Choice Questions (MCQ)
Online Test

Unit: 9 Biotechnology and Its Applications
Multiple Choice Questions (MCQ)
Online Test
      Biotechnology MCQ

Unit: 10 Ecology and Environment
Multiple Choice Questions (MCQ)
Online Test


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