Q451
Allen
PYQ
Match the Columns
Match the following and select the correct answer:
with
with
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
B.
(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
C.
(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
D.
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
Q452
Allen
PYQ
MCQ
DNA is not present in :-
A.
Ribosomes
B.
Nucleus
C.
Mitochondria
D.
Chloroplast
Q453
Allen
PYQ
MCQ
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:-
A.
Grana
B.
Stroma lamellae
C.
Stroma
D.
Cristae
Q454
Allen
PYQ
MCQ
The chromosomes in which centromere is situated close to one end are:
A.
Acrocentric
B.
Telocentric
C.
Sub-metacentric
D.
Metacentric
Q455
Allen
PYQ
MCQ
Which one of the following is not an inclusion body found in prokaryotes?
A.
Cyanophycean granule
B.
Glycogen granule
C.
Polysome
D.
Phosphate granule
Q456
Allen
PYQ
MCQ
Select the correct matching in the following pairs:
A.
Smooth ER ā Synthesis of lipids
B.
Rough ER ā Synthesis of glycogen
C.
Rough ER ā Oxidation of fatty acids
D.
Smooth ER ā Oxidation of phospholipids
Q457
Allen
PYQ
MCQ
Which of the following structures is not found in prokaryotic cells?
A.
Plasma membrane
B.
Nuclear envelope
C.
Ribosome
D.
Mesosome
Q458
Allen
PYQ
MCQ
Which of the following are not membrane-bound?
A.
Mesosomes
B.
Vacuoles
C.
Ribosomes
D.
Lysosomes
Q459
Allen
PYQ
MCQ
Cellular organelles with membranes are :
A.
Lysosomes, Golgi apparatus and mitochondria
B.
Nuclei, ribosomes and mitochondria
C.
Chromosomes, ribosomes and endoplasmic reticulum
D.
Endoplasmic reticulum, ribosomes and nuclei
Q460
Allen
PYQ
Match the Columns
Match the columns and identify the correct option:
with
with
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
B.
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
C.
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
D.
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Q461
Allen
PYQ
MCQ
Mitochondria and chloroplast are :-
(a) semi-autonomous organelles
(b) formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery
Which one of the following options is correct?
A.
Both (a) and (b) are correct
B.
(b) is true but (a) is false
C.
(a) is true but (b) is false
D.
Both (a) and (b) are false
Q462
Allen
PYQ
MCQ
Microtubules are the constituents of :-
A.
Cilia, Flagella and Peroxisomes
B.
Spindle fibres, Centrioles and Cilia
C.
Centrioles, Spindle fibres and Chromatin
D.
Centrosome, Nucleosome and Centrioles
Q463
Allen
PYQ
MCQ
A complex of ribosomes attached to a single strand of RNA is known as :-
A.
Polysome
B.
Polymer
C.
Polypeptide
D.
Okazaki fragment
Q464
Allen
PYQ
MCQ
Which one of the following cell organelles is enclosed by a single membrane?
A.
Mitochondria
B.
Chloroplasts
C.
Lysosomes
D.
Nuclei
Q465
Allen
PYQ
MCQ
Water soluble pigments found in plant cell vacuoles are :-
A.
Xanthophylls
B.
Chlorophylls
C.
Carotenoids
D.
Anthocyanins
Q466
Allen
PYQ
MCQ
A cell organelle containing hydrolytic enzymes is:-
A.
Ribosome
B.
Mesosome
C.
Lysosome
D.
Microsome
Q467
Allen
PYQ
MCQ
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
A.
Ribosome
B.
Chloroplast
C.
Mitochondrion
D.
Lysosome
Q468
Allen
PYQ
MCQ
Which of the following is true for nucleolus?
A.
Larger nucleoli are present in dividing cells.
B.
It is a membrane-bound structure.
C.
It takes part in spindle formation.
D.
It is a site for active ribosomal RNA synthesis.
Q469
Allen
PYQ
MCQ
The Golgi complex participates in :-
A.
Fatty acid breakdown
B.
Formation of secretory vesicles
C.
Respiration in bacteria
D.
Activation of amino acid
Q470
Allen
PYQ
MCQ
Which of the following events does not occur in rough endoplasmic reticulum?
A.
Protein folding
B.
Protein glycosylation
C.
Cleavage of signal peptide
D.
Phospholipid synthesis
Q471
Allen
PYQ
MCQ
Select the incorrect match :
A.
Lampbrush chromosomes ā Diplotene bivalents
B.
Allosomes - Sex chromosomes
C.
Submetacentric chromosomes - Sex chromosomes
D.
Polytene ā Oocytes of chromosomes amphibians
Q472
Allen
PYQ
MCQ
The shorter and longer arms of a submetacentric chromosome are referred to as :-
A.
s-arm and l-arm respectively
B.
p-arm and q-arm respectively
C.
q-arm and p-arm respectively
D.
m-arm and n-arm respectively
Q473
Allen
PYQ
MCQ
Which of the following pair of organelles does not contain DNA?
A.
Mitochondria and Lysosomes
B.
Chloroplast and Vacuoles
C.
Lysosomes and Vacuoles
D.
Nuclear envelope and Mitochondria
Q474
Allen
PYQ
MCQ
Which of the following statements is not correct?
A.
Lysosomes have numerous hydrolytic enzymes.
B.
The hydrolytic enzymes of lysosomes are active under acidic pH.
C.
Lysosomes are membrane bound structures.
D.
Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
Q475
Allen
PYQ
MCQ
The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by:
A.
Rudolf Virchow
B.
Theodore Schwann
C.
Schleiden
D.
Aristotle