Cell division

Cell division



15.

 

The microscope was invented by

 

A)

Moore

B)

Strauss burger

 

C)

Leeuwenhoek

D)

Balbiyani

16.

 

The term "mitosis" was coined by

 

A)

Flemming

B)

Moore

 

C)

Sutton

D)

J.B.Farmer

17.

 

Which of the following is the longest stage of cell cycle?

 

A)

Metaphase

B)

S

 

C)

G1

D)

Anaphase

18.

 

Which of the following is the shortest stage of cell cycle?

 

A)

Metaphase

B)

S

 

C)

G1

D)

Anaphase

19.

 

Meiotic division of one cell gives rise to how many haploid cells?

 

A)

2

B)

4

 

C)

6

D)

8

20.

 

Select the correct order of mitotic cell division cycle

 

A)

Interphase-metaphase-anaphase- telophase-prophase

B)

Interphase-prophase -metaphase- telophase -anaphase

 

C)

Interphase-prophase -

metaphase-anaphase-telophase

D)

Prophase -metaphase-interphase-- anaphase-telophase

21.

 

The type of cell division take place in cells of somatic tissues

 

A)

Mitosis

B)

Meiosis

 

C)

Both A) and B)

D)

None of the above

22.

 

Crossing over takes place during which stage of the cell cycle?

 

A)

Leptotene

B)

Pachytene

 

C)

Zygotene

D)

Diplotene

23.

 

Which of the following event occur during metaphase of meiosis-I?

 

A)

Chiasma terminalization

B)

Arrangement of bivalents at equatorial plate

 

C)

Crossing over

D)

Separation of homologous

chromosomes

24.

 

The period from one cell division to another next cell division is called as

 

A)

Cell period

B)

Grand period

 

C)

Cell cycle

D)

Cell generation

25.

 

Consist of two nuclear division

 

A)

Mitosis

B)

Meiosis

 

C)

Both A) and B)

D)

None of the above

26.

 

Pairing of homologous chromosomes takes place during

 

A)

Mitosis

B)

Meiosis

 

C)

Both A) and B)

D)

None of the above

27.

 

Meiosis leads to the development of

 

A)

Zygote

B)

Root

 

C)

Organ

D)

Gamete

28.

 

Mitosis take place in

 

A)

Megaspore

B)

Pollen mother cells

 

C)

Pollen

D)

Both A) and C)

29.

 

Chromosomes are clearly visible at

 

A)

Metaphase

B)

Telophase

 

C)

Anaphase

D)

Prophase


30.

 

Crossing over takes place between

 

A)

Homologous chromosomes

B)

Non homologous chromosomes

 

C)

Isochromosomes

D)

All of these

31.

 

Nucleolus disappears at the end

 

A)

Prophase

B)

Metaphase

 

C)

Anaphase

D)

Telophase

32.

 

Nucleolus reappears at the end of

 

A)

Prophase

B)

Metaphase

 

C)

Anaphase

D)

Telophase

33.

 

One cycle of mitosis gives rise to

 

A)

Two haploid cells

B)

Two diploid cells

 

C)

Four haploid cells

D)

Four diploid cells

34.

 

Shape of chromosome is determined by the position of

 

A)

Centromere

B)

Chromomere

 

C)

Telomere

D)

All of these

35.

 

Homologous chromosomes separate and move towards opposite poles during

which stage?

 

A)

Metaphase-I

B)

Telophase-I

 

C)

Anaphase-I

D)

Prophase-I

36.

 

The length of the G1 phase in Vicia faba is?

 

A)

6 Hours

B)

8 Hours

 

C)

10 Hours

D)

12 Hours

37.

 

The process of division of cytoplasm is known as?

 

A)

Cytokinesis

B)

Karyokinesis

 

C)

Idiogram

D)

None of the above

38.

 

In meiosis, Prophase-I is divided into          sub-stages?

 

A)

Three

B)

Four

 

C)

Five

D)

six

39.

 

Synoptonemal coplex formed in which of the following stage?

 

A)

Leptotene

B)

Zygotene

 

C)

Pachytene

D)

Diplotene

40.

 

Pairing of homologous chromosomes occur during which stage?

 

A)

Leptotene

B)

Zygotene

 

C)

Pachytene

D)

Diplotene

41.

 

Chiasmata formation takes place during which stage?

 

A)

Leptotene

B)

Zygotene

 

C)

Pachytene

D)

Diplotene

42.

 

Chiasmata terminalization is completed during which stage?

 

A)

Diplonema

B)

Diakinesis

 

C)

Pachynema

D)

Zygonema

43.

 

Another name of Mitosis is

 

A)

Equatorial division

B)

Reductional division

 

C)

Heterotypic division

D)

Somatic division

44.

 

Another name of Mitosis is

 

A)

Equatorial division

B)

Reductional division

 

C)

Heterotypic division

D)

Homotypic division

45.

 

Another name of Meosis is

 

A)

Somatic division

B)

Homotypic division

 

C)

Reductional division

D)

None of the above

46.

 

During interphase, the sequence of sub-stages is

 

A)

S, G1, G2

B)

G1, S, G2

 

C)

S, G2, G1

D)

G1, G2, S

47.

 

Mitosis does not provide opportunities for

 

A)

Segregation

B)

Recombination

 

C)

Crossing over

D)

All of the above

48.

 

At which of the following stage, chromosomes reach opposite poles?

 

A)

Prophase

B)

Metaphase

 

C)

Anaphase

D)

Telophase

49.

 

In meiosis, the sequence of sub-stages in prophase-I is

 

A)

Leptotene-Zygotene-Pachytene-

Diakinesis- Diplotene

B)

Leptotene- Pachytene- Zygotene-

Diplotene-Diakinesis

 

C)

Leptotene-Zygotene-Pachytene- Diplotene-Diakinesis

D)

Leptotene-Zygotene-Diplotene-

Pachytene-Diakinesis



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