21
Archaeopteyrx' is a connecting link between which of the following classes of animal?
A)
Amphibia and Aves
B)
Reptilia and Aves
C)
Reptilia and Mammalia
D)
Aves and Mammalia
Answer & Solution
Answer: Option
B
22
Nucleolus was discovered by
A)
Fontana
B)
Schleiden
C)
Altmann
D)
Robert Brown
Answer & Solution
Answer: Option
A
23
Number of mitochondria in bacterial cell is
A)
one
B)
two
C)
many
D)
zero
Answer & Solution
Answer: Option
D
24
Match
List I (Conditions of chromosome) with
List II (Chromosome numbers) and choose the correct answer:
List-I List-II
a. Monosomics
1. 2n + 2
b. Trisomics
2. 2n - 2
c. Nullisomics
3. 2n - 1 - 1
d. Double monosomics
4. 2n +1
e. Tetrasomics
5. 2n - 1
A)
a-2, b-3, c-4, d-1, e-5
B)
a-3, b-4, c-2, d-1, e-5
C)
a-5, b-4, c-2, d-3, e-1
D)
a-5, b-4, c-1, d-3, e-2
Answer & Solution
Answer: Option
C
25
Match
List-I with
List-II and select the correct answer:
List-I List-II
a. Nucleus
1. De Duve
b. Chromosomes
2. Benda
c. Mitochondria
3. Waldeyer
d. Lysosome
4. Robert Brown
A)
a-4, b-3, c-2, d-1
B)
a-3, b-2, c-1, d-4
C)
a-2, b-1, c-4, d-3
D)
a-1, b-4, c-3, d-2
Answer & Solution
Answer: Option
A
A)
pentose sugar, phosphoric acid, purines and pyrimidines
B)
pentose sugar, phosphoric acid and purines
C)
phosphoric acid, pentose sugar and pyrimidines
D)
pentose sugar, purines and pyrimidines
Answer & Solution
Answer: Option
A
27
Match
List-I (Complexes) with
List-II (Alternative names) and select the correct answer:
List-I List-II
a. Complex I
1. Succinate : CoQ reductase
b. Complex II
2. Cytochrome c oxidase
c. Complex III
3. ATPase
d. Complex IV
4. NADH/NADPH : CoQ reductase
e. Complex V
5. Reduced CoQ : cytochrome c reductase
A)
a-1, b-2, c-3, d-4, e-5
B)
a-2, b-3, c-4, d-1, e-5
C)
a-4, b-1, c-5, d-2, e-3
D)
a-3, b-1, c-5, d-4, e-2
Answer & Solution
Answer: Option
C
28
Mitotic chromosomes are made up by the coiling of a large cylindrical fibre called
A)
Type A fibre
B)
Type B fibre
C)
Unit fibre
D)
None of the above
Answer & Solution
Answer: Option
C
29
Chromosome number in any species
A)
increase by age
B)
decrease by age
C)
is constant
D)
increase with the weight
Answer & Solution
Answer: Option
C
30
The separating chromosomes during diplotene are held together at one or more points, where breaks and fusion had occured, called as
A)
Centromere
B)
Chiasmata
C)
Syndesis
D)
Polar bodies
Answer & Solution
Answer: Option
B
