BIOLOGY CA2 AND CA3 QUESTIONS AND ANSWERS (4TH SEM 2022)

  BIOLOGY CA2 AND CA3 QUESTION AND ANSWERS (4TH SEMESTER)

MULTIPLE CHOICE QUESTIONS:

1) Who is regarded as Father of Taxonomy?

a) Aristotle                                    b) Linnaeus

C) John Ray                                  c) Lamarck

Ans: (b) Linnaeus

2) The largest organ of the Human body is:

a) Liver                                         b) Heart

c) Brain                                        d) Skin

Ans: (d) Skin

3) The part of the Eye responsible for its color is;

a) Iris                                            b) Sclera

c) Retina                                       d) Choroid

Ans: (a) Iris

4) Flying of Bird and Aircraft is based on the principle of;

a)  Archimedes Principle                   b)  Huygens Principle

c)  Bernoulli's Principle                    d)  Fresnel's Principle

Ans: (c) Bernoulli's principle

5) Escherichia coli is a type of;

a) Virus

b) Bacteria

c) Protozoa

d) Mammal

Ans: (b) Bacteria

6) The lowest category in basic Taxonomic Hierarchy is:

a) Family

b) Species

c) Phylum

d) Mammal

Ans: (b) Species

7) Who is regarded as” Father of Genetics”?

a) Watson and Crick

b) Darwin

c) G.J. Mendel

d) W.Bateson

Ans: (c) G.J. Mendel

8) The total type of nitrogenous bases present in Nucleic acid is;

a)  1                              b) 4

c)  6                              d)  5

Ans: (b) 4

9) The Phenotypic ratio of dihybrid cross in F2 generation will be:

 a)  1:2:1              

 b)  9:3:3:1

 c)  9:3:2:1

 d) 1:2:3:4

Ans: (b) 9:3:3:1

10) One gene completely masks another gene is known as:

a) Epistasis

b) Multiple Alleles

c) Meiosis

d) Co-dominant

Ans: (a) Epistasis

Short Answer Questions:

1) Mention any five difference between bird and aircraft?

Ans: 

2) Describe any five difference between Prokaryotes and Eukaryotes ?

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3) Mention any five difference between DNA and RNA?

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4) Describe any five character of Genetic code?

Ans: