MCQ 1

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1 / 60

In plant cell, spindle is formed from

2 / 60

Plastids present in unilluminated cells are

3 / 60

The decision of cell division occurs in

4 / 60

When lysosomes burst, they release their enzymes and digest entire cell. It is called

5 / 60

The Golgi complex participates in

6 / 60

70S type of ribosomes are found in

7 / 60

Cell organelles with own genome system and considered to be semiautonomous arechloroplasts and nucleus

8 / 60

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

9 / 60

Peroxisomes found in green cells of leaves are associated with

10 / 60

The chromosomes in which centromere is situated close to one end are

11 / 60

Three organelles are involved in photorespiration which are

12 / 60

Protein synthesis occurs in cell in

13 / 60

Enzyme ATPase is found in head of oxysome called

14 / 60

Which of the following options gives the correct sequence of events during mitosis?

15 / 60

Which is absent in Mitochondrial DNA ?

16 / 60

Which of the following events does not occur in rough endoplasmic reticulum?

17 / 60

Lysosomes are called

18 / 60

How many times a cell has to divide mitotically to produce 128 cells ?

19 / 60

In plant cell, which organelle secretes pectin, hemicellulose, proteins and microfibrils of cellulose to make cell wall ?

20 / 60

Which one is incorrect with reference to lysosome ?

21 / 60

Which is a wrong statement about mitosis?

22 / 60

In Anaphase-1

23 / 60

Spindle fibres attach on to

24 / 60

Golgi apparatus serves as the centre of

25 / 60

Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously.

Such strings of ribosomes are termed as

26 / 60

Stage during which separation of the paired homologous chromosomes begins is

27 / 60

Nucleolus disappears in

28 / 60

Which of the following is not a characteristic feature during mitosis in somatic cells?

29 / 60

Which one is common in nucleus, chloroplast and mitochondria ?

30 / 60

G0 phase is

31 / 60

Which one is absent in human RBC ?

32 / 60

Arrange the following events of meiosis in correct sequence

(i) Crossing over                (ii) Synapsis

(iii) Terminalisation of chiasmata                (iv) Disappearance of nucleolus

33 / 60

Which substage of l-phase is of shortest duration ?

34 / 60

Golgi complex is specialized for

35 / 60

Point out the wrong matching.

36 / 60

The chlorophyll pigments are located in the chloroplast in its

37 / 60

Fluidity /flexibility of a cell membrane is due to

38 / 60

The sequence of substages of prophase I are

39 / 60

Bouquet stage shows convergence of chromosomal ends towards centriole during

40 / 60

During synapsis, the number of chromonemata /DNA in bivalent chromosome are

41 / 60

Outer and inner membrane of mitochondria are

42 / 60

The best stage to view structure, size and to count the number of chromosomes is

43 / 60

Cell plate grows from

44 / 60

Which organelle can reduce the number of other organelles ?

45 / 60

In Mitochondria, cristae are sites for

46 / 60

Polymorphism is shown by

47 / 60

If a living cell is placed under anaerobic condition its

48 / 60

Lysosomes are called suicidal bags because of

49 / 60

In meiosis crossing over is initiated at

50 / 60

Which among the following is most active and of longest duration in animals ?

51 / 60

When cells have stalled DNA replication fork, which checkpoint should be predominantly activated?

52 / 60

The enzyme recombinase is required at which stage of meiosis

53 / 60

Which of the following events does not occur in rough endoplasmic reticulum?

54 / 60

In 'S' phase of the cell cycle

55 / 60

Myofibrils are

56 / 60

Which part of sperm is formed by Golgi bodies ?

57 / 60

Thylakoids are found in

58 / 60

The active phase, also called metabolic or energetic phase with most cytogenetic activity is

59 / 60

Oxysomes/Elementary particles/F1-F0 particles are centre of oxidative phosphorylation and found in

60 / 60

Secondary lysosomes should have

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