A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called
Correct answer C. Kinetochore
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MDCAT Biology MCQs
Page 47 of MDCAT Biology multiple-choice questions with answers. Tap an option to check yourself.
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- Biological Molecules 74
- Coordination and Control 72
- Biology Diagnostic 70
- Cell Structure and Function 67
- Biotechnology 65
- Reproduction 58
- Bioenergetics 55
- Circulation 50
- Inheritance 48
- Digestion 45
- Immunity 45
- Support and Movement 45
- Acellular Life (Viruses) 45
- Homeostasis 45
- Respiration and Gaseous Exchange 45
- Evolution 45
- Enzymes 45
- Cell Cycle 41
- Chromosome and DNA 40
- Biology Introduction 38
- Ecosystem 27
Mitotic apparatus in animals is formed by
Correct answer A. Aster and spindle
From each pair of centrioles ____ sets of microtubules originate
Correct answer B. 3
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Microtubules are composed of____??
Correct answer D. Tubulin protein and traces of RNA
Mitosis occurs in?
Correct answer C. Both diploid and haploid cells
Which statement about the duration of the cell cycle is incorrect?
Correct answer C. G2 phase takes 5.5 hours
In case of neurons, post mitotic cell escapes cell cycle and remain in ____ phase whthout proliferating further
Correct answer A. G0 phase
DNA is synthesized and chromosome number is doubled in?
Correct answer B. S phase
Period between two consecutive divisions is called?
Correct answer A. Interphase
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The one that stores calcium?
Correct answer C. Sarcoplasmic reticulum
The one which is a weed killer?
Correct answer C. 2 4-D
The one which causes contraction of wall of the uterus during and after birth?
Correct answer C. Oxytocin
Which one of the following syndrome is the result of meiotic non dysjunction?
Correct answer D. All of these
The red green colour blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce.?
Correct answer A. Color blind sons and daughter with normal vision
The one which is present in all aerobic species?
Correct answer A. Cytohrome c
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Competition between species will be greatest if they attempt to occupy the same
Correct answer D. Niche
All of the following are involved in nitrification except
Correct answer C. Rhizohium
What percentage of light reaching the earth is used in photosynthesis?
Correct answer D. 1%
What is the characteristic feature of consumers?
Correct answer B. Heterotroph
The greatest diversity of animals in the lake is found in which one of the following zones?
Correct answer B. Littoral zone