MCQ Questions on Chromosomal Basis of Inheritance

MCQ Questions on Chromosomal Basis of Inheritance

MCQ Questions on Chromosomal Basis of Inheritance

1. The term chromosome was coined by ___________.
(a) Sutton
(b) Boveri
(c) Waldeyer
(d) Hoffmeister

Answer

Answer: (c) Waldeyer.


2. Chromosomes found in the salivary gland of Drosophila is___________.
(a) Polytene
(b) Lampbrush
(c) Supernumerary
(d) B-chromosomes

Answer

Answer: (a) Polytene.


3. Lampbrush chromosomes occur in___________.
(a) Oocytes
(b) Cancer cells
(c) Lymph glands
(d) Salivary glands

Answer

Answer: (a) Oocytes.


4. Which of the following is true about the Chromatids?
(a) It is a haploid chromosome
(b) It is a complete chromosome
(c) It is a duplicate chromosome
(d) It is one-half of the replicated chromosome

Answer

Answer: (d) It is one-half of the replicated chromosome.


5. The centromere is that part of the chromosome where___________.
(a) Nicking occurs
(b) Chromatids are attached
(c) Nucleoli are formed
(d) Crossing-over takes place

Answer

Answer: (b) Chromatids are attached.


6. The ends of the chromosome are called ___________.
(a) Satellites
(b) Centromeres
(c) Telomeres
(d) Kinetochore

Answer

Answer: (c) Telomeres.


7. Chromosomes were first observed by___________.
(a) Fleming
(b) Waldeyer
(c) Strasburger
(d) Hoffmeister

Answer

Answer: (d) Hoffmeister.


8. A chromosome with sub-terminal centromere is___________.
(a) Acrocentric
(b) Acentric
(c) Metacentric
(d) Telocentric

Answer

Answer: (a) Acrocentric.


9. The giant chromosome with a number of chromonemeta is___________.
(a) Hetrochromosome
(b) Polytene chromosome
(c) Lampbrush chromosome
(d) Supernumerary chromosome

Answer

Answer: (b) Polytene chromosome.


10. A chromosome with centromere near the middle is called___________.
(a) Metacentric
(b) Acrocentric
(c) Telocentric
(d) Submetacentric

Answer

Answer: (d) Submetacentric.


11. Puffs or balbiani rings in the salivary gland chromosome are the sites of___________.
(a) Protein synthesis
(b) RNA synthesis
(c) DNA replication
(d) DNA duplication

Answer

Answer: (b) RNA synthesis.

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12. Chromosomal theory of inheritance was proposed by___________.
(a) Sutton in 1902
(b) Boveri in 1902
(c) Correns in 1909
(d) Sutton and Boveri in 1902

Answer

Answer: (d) Sutton and Boveri in 1902.


13. More than 200 chromosomes occur in___________.
(a) Dog
(b) Amoeba
(c) Chicken
(d) Gorilla

Answer

Answer: (b) Amoeba.


14. A colour blind daughter may be born if the___________.
(a) Father is normal and the mother is a carrier
(b) Father is normal and the mother is colour blind
(c) Father is colour blind and mother is a carrier
(d) Father is colour blind and mother is normal

Answer

Answer: (c) Father is colour blind and mother is a carrier.


15. A somatic cell in a human male contains___________.
(a) No gene on the sex chromosome
(b) Genes on only on sex chromosomes
(c) Two genes for every sex-linked character
(d) Only one sex-linked gene for each character

Answer

Answer: (d) Only one sex-linked gene for each character.


16. The blue-green algae and bacteria contain ___________.
(a) Three linkage groups
(b) Two linkage groups
(c) One linkage group
(d) None of the above

Answer

Answer: (c) One linkage group.


17. What is the number of linkage groups in the Drosophila?
(a) Two
(b) Four
(c) Eight
(d) None of the above

Answer

Answer: (b) Four.


18. Gene for colour blindness in man is located on ___________.
(a) Both X and Y chromosome
(b) Y-chromosome only
(c) X-chromosome only
(d) Either X-chromosome or Y-chromosome

Answer

Answer: (c) X-chromosome only.


19. Chromosomal constitution in human females can be best written as___________.
(a) 46
(b) 44+2
(c) 44A+XY
(d) 44A+XX

Answer

Answer: (d) 44A+XX.


20. Which of the following disease is sex-linked?
(a) Hepatitis
(b) Leukaemia
(c) Malignancy
(d) Colour blindness

Answer

Answer: (d) Colour blindness.


Coordination Compounds MCQ

Coordination Compounds MCQ for NEET

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MCQs on Coordination Compounds

1. When 0.1 mol CoCl3(NH3)5 is combined with excess AgNO3, then 0.2 mol AgCl is obtained. The conductivity of the solution suits the
(a) 1:3 electrolyte
(b) 1:1 electrolyte
(c) 3:1 electrolyte
(d) 1:2 electrolyte

Answer

Answer: (d)


2. A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?
(a) Thiosulphato
(b) Oxalato
(c) Glycinato
(d) Ethane-1,2-diamine

Answer

Answer: (a)


3. IUPAC name of [Pt(NH3)2Cl(NO2)] is
(a) Platinum diamminechloronitrite
(b) Chloronitrito-N-ammineplatinum (II)
(c) Diamminechloridonitrito-N-platinum (II)
(d) Diamminechloronitrito-N-plantinate (II)

Answer

Answer: (c)


4. In the complex [E(en)2(C2O4)]NO2 (where (en) is ethylenediamine) _______are the coordination number and the oxidation state of the element ‘E’ respectively.
(a) 6 and 2
(b) 2 and 2
(c) 4 and 3
(d) 6 and 3

Answer

Answer: (d)


5. The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where (en) is ethylenediamine) is
(a) 9
(b) 6
(c) 7
(d) 8

Answer

Answer: (a)


6. Some salts containing two different metallic elements give test for only one of them in solution, such salts are
(a) double salts
(b) normal salts
(c) complex salts
(d) None of these

Answer

Answer: (c)


7. An example of a sigma bonded organometallic compound is
(a) Grignard reagent
(b) Ferrocene
(c) Cobaltocene
(d) Ruthenocene

Answer

Answer: (a)


8. Iron carbonyl, Fe(CO)5 is
(a) Tetranuclear
(b) Mononuclear
(c) Dinuclear
(d) Trinuclear

Answer

Answer: (b)


9. The type of isomerism shown by the complex [CoCl2(en)2] is
(a) Geometrical isomerism
(b) Coordination isomerism
(c) Linkage isomerism
(d) Ionization isomerism

Answer

Answer: (a)


10. Which of the following elements do not form a complex with EDTA?
(a) Ca
(b) Mg
(c) Be
(d) Sr

Answer

Answer: (c)


MCQ Questions for Class 6 Science with Answers PDF Download | Chapterwise CBSE Class 6th Science Objective Questions

MCQ Questions for Class 6 Science with Answers

Solving MCQ Questions for Class 6 Science with Answers helps you gain knowledge of Class 6 Science Topics much effectively. MCQ Quiz for Class 6th Science will hone your thinking skills and helps you grasp the syllabus fastly. Multiple Choice Question and Answers for Class 6 Science help you upgrade your knowledge of the concepts and lays a stronger foundation for your higher classes. Download the Class 6 MCQ Questions Science PDF for free that are relevant to Latest CBSE 2021-22 Syllabus and clear your board exams with flying colors.

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CBSE Class 6 Science Multiple Choice Questions Chapterwise

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  1. Food Where Does It Come From Class 6 MCQ
  2. Components of Food Class 6 MCQ
  3. Fibre to Fabric Class 6 MCQ
  4. Sorting Materials Into Groups Class 6 MCQ
  5. Separation of Substances Class 6 MCQ
  6. Changes Around Us Class 6 MCQ
  7. Getting to Know Plants Class 6 MCQ
  8. Body Movements Class 6 MCQ
  9. The Living Organisms and Their Surroundings Class 6 MCQ Questions
  10. Motion and Measurement of Distances Class 6 MCQ Questions
  11. Light Shadows and Reflection Class 6 MCQ Questions
  12. Electricity and Circuits Class 6 MCQ Questions
  13. Fun with Magnets Class 6 MCQ Questions
  14. Water Class 6 MCQ Questions
  15. Air Around Us Class 6 MCQ Questions
  16. Garbage In Garbage Out Class 6 MCQ Questions

Science MCQ Questions for Class 6 with Answers

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Chapter Wise MCQ Questions for Class 6 Social Science with Answers | Objective Questions of 6th Class Social Science: Geography, History, Civics, Economics

MCQ Questions for Class 6 Social Science with Answers

Class 6 Students who want to excel in their CBSE Board Exams can refer to our  MCQ Questions for Class 6 Social Science with Answers as they are quite scoring. Ace up your preparation using the MCQ Quiz Questions for Class 6 SS Geography, History, Civics, Economics. All the Objective Questions of 6th Class Social Science prescribed here are as per the latest academic syllabus 2021-22. Remediate the knowledge gap using these quick practice questions and improve in your weak areas.

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MCQ Questions for Class 6 Social Science Geography

MCQ Questions for Class 6 Social Science Geography: The Earth: Our Habitat

  1. The Earth in the Solar System Class 6 MCQ Questions
  2. Globe Latitudes and Longitudes Class 6 MCQ Questions
  3. Motions of the Earth Class 6 MCQ Questions
  4. Maps Class 6 MCQ Questions
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  6. Major Landforms of the Earth Class 6 MCQ Questions
  7. Our Country India Class 6 MCQ Questions
  8. India Climate Vegetation and Wildlife Class 6 MCQ Questions

MCQ Questions for Class 6 Social Science History

MCQ Questions for Class 6 Social Science History: Our Pasts – I

  1. What, Where, How, and When? Class 6 MCQ Questions
  2. On The Trial of the Earliest People Class 6 MCQ Questions
  3. From Gathering to Growing Food Class 6 MCQ Questions
  4. In the Earliest Cities Class 6 MCQ Questions
  5. What Books and Burials Tell Us Class 6 MCQ Questions
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MCQ Questions for Class 6 Social Science Civics

MCQ Questions for Class 6 Social Science Civics: Social and Political Life – I

  1. Understanding Diversity Class 6 MCQ Questions
  2. Diversity and Discrimination Class 6 MCQ Questions
  3. What is Government Class 6 MCQ Questions
  4. Key Elements of a Democratic Government Class 6 MCQ Questions
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MCQs on Voltage Regulators for NEET

MCQs on Voltage Regulators for NEET

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MCQs on Voltage Regulators

1. Which of the following is considered as three-pin voltage regulator ICs?
(a) Voltage regulators which are adjustable
(b) Fixed voltage regulator
(c) Both a and b

Answer

Answer: (c) Both a and b


2. Which type of IC voltage regulator there is a continuous variation in the impedance of transistor in order to supply the desired amount of load current?
(a) Linear regulators
(b) Switching regulators
(c) Both a and b

Answer

Answer: (a) Linear regulators


3. Voltage regulators require
(a) Only line regulation
(b) Only load regulation
(c) A constant load
(d) Load and line regulation

Answer

Answer: (d) Load and line regulation


4. What type of regulators offer inherent short-circuit protection?
(a) Shunt regulators
(b) Series regulators
(c) Three-terminal regulators
(d) Switching regulators

Answer

Answer: (a) Shunt regulators


5. Voltage regulators keep a constant …………output voltage when the input or load varies within limits.
(a) DC
(b) AC
(c) ripple

Answer

Answer: (a) DC


6. Switching regulators are series type regulators, which has ……….power dissipation and …………efficiency.
(a) Increased, increased
(b) Increased, reduced
(c) Reduced, reduced
(d) Reduced, increased

Answer

Answer: (c) Reduced, increased


7. Which among the following performance parameter is called the change in line voltage within a specified range at a constant load current?
(a) Line regulation
(b) Load regulation
(c) Temperature stability factor
(d) Ripple factor

Answer

Answer: (a) Line regulation


8.: The output voltage of a regulated power supply is affected by which of the following factors
(a) Input voltage
(b) Load current
(c) Temperature
(d) All the above

Answer

Answer: (d) All the above


9. Series pass transistor always operates in the………. region in a linear IC voltage regulator
(a) Active
(b) Saturation
(c) Cut-off
(d) All of these

Answer

Answer: (a) Active


MCQ on D and F Block Elements

MCQ on D and F Block Elements for NEET

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MCQs on D and F Block Elements

1. The number of unpaired electrons in gaseous species of Mn3+, Cr3+ and V3+ respectively are:
(a) 4, 4 and 2
(b) 3, 3 and 2
(c) 4, 3 and 2
(d) 3, 3 and 3

Answer

Answer: (c)


2. Gun metal is an alloy of:
(a) Cu and Al
(b) Cu and Sn
(c) Cu, Zn and Sn
(d) Cu, Zn and Ni

Answer

Answer: (c)


3. Which one of the following elements shows the maximum number of different oxidation states in its compounds?
(a) Eu
(b) La
(c) Cd
(d) Am

Answer

Answer: (d)


4. When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved is
(a) sulphur dioxide
(b) ammonia
(c) carbon monoxide
(d) carbon dioxide

Answer

Answer: (c)


5. Zinc and mercury do not show variable valency like d-block elements because
(a) they are soft
(b) their d-shells are complete
(c) they have only two electrons in the outermost subshell.
(d) their d-shells are incomplete

Answer

Answer: (b)


6. Which of the following products are obtained when Na2CO3 is added to a solution of copper sulphate?
(a) Basic copper carbonate , sodium sulphate and CO2
(b) Copper hydroxide, sodium sulphate and CO2
(c) Copper carbonate, sodium sulphate and CO2
(d) Copper carbonate and sodium sulphate

Answer

Answer: (d)


7. The pair that has similar atomic radii is
(a) Mn and Re
(b) Ti and Hf
(c) Sc and Ni
(d) Mo and W

Answer

Answer: (d)


8. Silver nitrate produces a black stain on the skin due to
(a) being a strong reducing agent
(b) its corrosive action
(c) formation of complex compound
(d) its reduction to metallic silver

Answer

Answer: (d)


9. According to IUPAC nomenclature sodium nitroprusside dihydrate is named as
(a) Sodium pentacyanonitrosylferrate (III)
(b) Sodium nitroferrocyanide
(c) Sodium nitroferricyanide
(d) Sodium pentacyanonitrosylferrate (II)

Answer

Answer: (a)


10. In Fe(CO)5, the Fe-C bond possesses:
(a) ionic character
(b) sigma character only
(c) pi character
(d) both sigma and pi characters

Answer

Answer: (d)