Proteins | - Part 2

PPSC Lecturer Biology Test 47 Online Preparation MCQs

Lecturer Biology MCQs / Biology MCQs, Biomolecules, Cell cycle and Cell divisions, FPSC Lecturer Biology mcqs, Nucleic acids and Enzymes, ppsc Biology MCQs, Proteins

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Test Instructions:-
Test Name	Lecturer Biology
Subject	Biology Test 47
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPSC LECTURER OF BIOLOGY TEST NO. 47

1 / 25

During which phase condensation of chromosomes is completed and they can be seen clearly ?

Telophase

Anaphase

Metaphase

Prophase

2 / 25

Which of the following is a process of G₁ phase ?

Enzyme, RNA, Protein synthesis

All of these

Production of micro tubules

DNA synthesis

3 / 25

Which of the following process is not involved in prophase ?

bipolar spindle is developed

the condensation of chromosomes along their lengths

nuclear membrane and nucleolus disintegrate

production of equatorial plate

4 / 25

Syncytium means

Kinetochores

Metaphase plate

Multinucleate condition

Cytokinesis

5 / 25

How does the metaphase differ from anaphase ?

All of the above

For chromatin

Condensation of spindle fibres and the centromere splits and will separate

Chromatids having centromere

6 / 25

Which of the following statement is incorrect for cell cycle ?

Enhance the fertilisation of gamete cells

The series of events that takes place inside a cell

Duplication of cell occurs

The period between two successive cell divisions

7 / 25

Select the correct pair :

Recombination - anaphase

Bipolar spindle - metaphase

Metaphase plate - telophase

Syncytium - nuclear cell division

8 / 25

What is formed on both the sides of middle lamella in angiosperm plants ?

Tonoplast

Cytoplasm membrane

Lipid layer

Cell wall

9 / 25

How does cytokinesis begin in higher plants ?

At any plate

All of these

Separation of the cytoplasm from the centre to the periphery

Separation of from the periphery to centre region

10 / 25

By which process the number of chromosomes is maintained in cells ?

Meiotic division

Meiosis

Amitosis

Mitosis

11 / 25

How many animal cells are reproduced at the end of mitosis ?

12 / 25

Cytokinesis means

Last stage of cell division

a separate process that completes the entire process of cell division

All of these

Stage of duplication of cellular material

13 / 25

Mitotic divisions in .............. result in continuous growth in the plants

simple permanent tissue

apical meristematic tissue

lateral meristematic tissue

14 / 25

The formation of syncytium leading because

Multinucleate condition arises

Nuclear cytokinesis is not followed

Absence of telophase

Karyokinesis is not followed by cytokinesis

15 / 25

Which subphase of the following is not of Interphase ?

division

16 / 25

Which tissue shows mitosis in plants ?

Complex tissue

Permanent tissue

Meristematic tissue

All of these

17 / 25

Structures serve as the site of attachment of spindle fibers to the centromere of the chromosomes.

Centromere

Metaphase plate

Kinetochores

All of these

18 / 25

Which of the following statement is incorrect for Interphase ?

Replication of DNA

Duplication of centrioles

Nuclear division occurs

Cell size increases

19 / 25

During cytokinesis middle lamellae is made up of ........ in Sequoia.

pectin

lignin

cellulose

chitin

20 / 25

Which of the following is the correct sequence for the Mitosis ?

leptotene - zygotene - pachytene - diplotene

anaphase - metaphase - telophase

G1-S-G2-G2-M

Prophase - metaphase - anaphase - telophase

21 / 25

A very significant contribution of mitosis is cell repair. Because...

Cells can maintain their efficient size

By asexual reproduction produce two new progeny cells

The cells of lining of the gut and blood cells are constantly replaced

The number of chromosomes is maintained in all cells

22 / 25

During which phase does chromatin material present ?

Metaphase

Anaphase

Telophase

Interphase

23 / 25

What is the essential criterium for growth of organisms ?

Increase in cell mass

Cell degradation

Cell division

Duplication of genetic material

24 / 25

Which of the following process is involved in anaphase ?

Centromere splits, will separate and start moving to the opposite poles of the cell.

Chromosome produces equatorial plate.

Chromosomes spread in the entire cell area.

Chromosome converts into chromatin.

25 / 25

During which phase of mitosis chromatin network is observed ?

Telophase

Prophase

Anaphase

Metaphase

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